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5 Methods to Create Precise Rabbet Cuts

Posted on Monday, January 18th, 2016 at 1:12 pm.

Here are 5 tried & true methods to creating the most precise Rabbet cuts! Rabbets can be cut with a table saw (set up with a dado set or combination blade), router (handheld or table mounted), or jointer. The choice depends on the type and quantity of work-pieces, and the desired quality of rabbet cut. (This except is taken from Wood Magazine 2011 edition)

** A rabbet is simply a rectangular recess along the edge or end of a work-piece. Although most often found as a joint in casework), a rabbet also can pop up as a design feature in a molding, as a recess for holding artwork in a picture frame, along the edges of a cabinet door to help recess it partway into its face frame, or as a half-lap or ship-lap joint.**

1

1. Table saw with a dado set: We use this setup often because it yields clean rabbets in one pass typically-two passes for wide rabbets. For good results, you need a high-quality dado set. Since it takes a little time to install the dado blades, we use this method only if we have several work-pieces to cut.

  • Attach a 3/4″ wooden face to your table saw fence. By doing this you can cut into the wooden face and fine-tune the width of the rabbet with quick fence adjustments.

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2. Table saw with standard blade: If we’re rabbeting just a piece or two, we’ll leave our combination blade in the table saw and make the cut in two passes. The key: You need to precisely set the fence, and the height of the blade, for both cuts so one doesn’t cut beyond the other.

  • Cut the rabbet to its correct depth with the work-piece face down on the tabletop. Then, stand the piece on edge to cut the rabbet to width.
  • If you don’t own a good dado set, or have a low-powered saw, this option may prove better than No. 1 for all of your work. But, it can be tricky if you need to rabbet the end of a narrow workpiece. In that case, you will need to clamp the work-piece to a fixture that holds it steady and upright as you guide it along the fence.

3

3. Handheld router with rabbeting bit. Unlike saw blades and dado sets, router bits do not leave tiny scoring marks. So, use a router bit if the surface or ends of the rabbets will be visible in your finished project.

  • Router bits are your only option if you need to rabbet an opening inside a surface rather than along an outside edge or end. Examples include a router-table opening for receiving a router plate, or the inside of an assembled door frame for accepting a piece of glass.
  • With a handheld router you typically use a rabbeting bit with a pilot bearing as shown above. You can change the width of the cut simply by changing bearings. And, with this setup you can even cut rabbets along curved edges.

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4. Router table with a straight bit. Although you can’t easily rabbet large pieces on a router table, this method has some distinct advantages over a handheld router. First, a router table has a fence that ensures a perfectly straight rabbet (a bearing-piloted bit will follow any irregularities in the work-piece edge). And, although a piloted rabbeting bit will help you cut a rabbet up to 1/2″ wide and 1/2″ deep, you can put a large straight bit in a router table and cut rabbets up to 1X1″.

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5. Jointer: We admit we rarely use a jointer to cut rabbets, but if you must cut a perfectly smooth rabbet over 1″ wide, and along a straight, outside edge, look to a jointer. You can cut a rabbet as wide as the length of your jointer’s cutterhead. The maximum cutting depth of your jointer will limit the depth of the rabbet, typically to 1/2″.

  • To do this, you need to make an initial cut with your table saw. First, set the blade height to match the depth of the rabbet. Adjust the fence-to-outside-of-blade distance to match the rabbet width. As shown, this cut will prevent the end of the jointer’s knives from hammering the work-piece. Remove no more than 1/8″ with each jointer pass.

Using these tips and tricks should help you to be successful in cutting the cleanest & smoothest rabbet cuts!

 


Real People, Real Problems & Real Solutions- Super Scraper

Posted on Thursday, January 7th, 2016 at 2:41 pm.

ss1                    ss5

There has been a lot of excitement over the quality and durability of the Super Scraper. A Made in the U.S.A. multi purpose carbide edge scraping tool designed for use by mechanics, machinists, welders, hobbyists, and all types of do-it-your-selfers! With 3 sizes to choose from, free sharpening for life (you pay shipping) and a lifetime warranty, what’s not to love!

The 1- 1/4″ Super Scraper  and 2″ Super Scraper come with an ergonomical, 100% wooden handle that is designed to fit comfortably and give a nice no-slip grip.  There is also a smaller super Scraper with a 5/8″ width scraper blade for smaller jobs or to fit into tighter places. Fit with our own special micrograin Super C grade carbide, the Super Scraper was built to last for even the toughest jobs!

But, don’t just take our word for it. The Super Scraper is even recommended by the ToolGuyd, read his review here. If you are still not convinced watch the YouTube video sent to us by Jeremy, one of our valuable & loyal customers.

The staff and owner of Carbide Processors take pride in being able to offer the most durable, highest quality and long lasting hand tools, router bits, saw blades and router accessories. Every product that we sell is backed by our 100% no questions asked guarantee. With our outstanding and friendly customer service you will not find another company out there with our unique customer philosophy. It goes something like this:

*First is the Customer

*Always the Customer

*Nothing is more important than taking care of the Customer

*At the very minimum we will give the Customer exactly what they want, exactly when they want it

*We should constantly strive to perform so the Customer is thrilled.


Southeast Tool- One of everything Sale!!!

Posted on Monday, December 14th, 2015 at 12:33 pm.

It’s that time of year again, and a little Holiday Spirit has put the boss in a pretty good mood.  In fact, it’s put him in a $128,059.95 dollars good mood!  That’s right, Buy one of our Exclusive Southeast Tool Essential Deluxe 4,553 pc. Sets and we’ll take $128,059.95 off the retail price.  The Southeast Tool Essential Deluxe 4,553 pc. Set includes one of everything that Southeast Tool makes, including router bits, drill bits, and router bit accessories.  This impressive 4,553 pc. Set with quality, American-made tools has a retail value of $408,059.95.  Buy it today for the bargain price of $279,999.99.  That’s a savings of $128,059.95!!  Heck, we’ll even throw in 2 free display cases to show off your new premium tools.

Southeast Tool makes quality, American made router bits, drill bits, and many router bit accessories.  Their catalog boasts 4,553 quality tools!  That’s sure to fill your shop and keep you in cutting tools for a long while.

For those of you that have not yet hear of Southeast Tool, let me tell you a little about them.  They are rated Great Value and Excellent by Fine Woodworking Magazine.  Here is a video with a tour of their facility in Conover, North Carolina.

 

If you are interested in taking advantage of this incredible $128,059.95 savings, please contact Jo at emgt@carbideprocessors.com.

If your not quite ready to take on the full 4,553 piece Southeast Tool Essential Deluxe Set, shop for these highly regarded and top quality tools on a smaller scale here and get our everyday great prices up to 30% off (prices are as marked, up to 30% off retail price).


Holiday Gift Ideas

Posted on Friday, December 4th, 2015 at 10:53 am.

It’s most wonderful season of all, but it can sometimes also be the most stressful.  Don’t worry, we have a gift buying guide for all the woodworking and tool enthusiasts that are on your list this year.  The best part, we’ll save you some cash and help you avoid the crazy lines and tug-a-wars over this years most popular gifts.

So, avoid this…     black-friday (1)   And this…  line

Just take a look at some of our top suggestions that are sure to be on any DIYer’s list this year.  You are just a few clicks away from getting those hard-to-shop-for people checked off your gift list.

 

1. I have too many clamps…  Said no DIYer  EVER!

bessey-krjr-sm1

We have great deals on Clamps from Bessey Tools or Woodpecker.  These clamps are sure to make working on his next project a breeze.  Everyone knows when working on bigger projects, 4 hands are better than two.  Clamps will help him or her finish projects faster and with ease.   Give the gift of Bessey clamps to help free up his or her hands and time.  We recommend our most popular selling Bessey clamps- The Bessey K Body Revo Jr, starting at just $63.11* for a pair.

*These are current prices as of Dec 2015.  prices may vary over time.

2.  Give ’em a hand, or protect the ones they have…

GR_100

Give your favorite woodworker a cutting edge on all his/her woodworking projects while keeping them safe with Micro Jig’s Push blocks.  Micro Jig makes the most innovative products that give more precise cuts while keeping the user’s hands safe from sharp and dangerous woodworking equipment like table saws and routers.  If the person on your gift list is an avid woodworker, then Micro Jig’s push blocks are sure to be on their wish list.  Micro Jig GRR-Ripper push blocks are starting at $24.95* or upgrade to the 3-D Push Block system with advanced features for only $59.00*.

*These are current prices as of Dec 2015.  Prices may vary over time.

3.  If there’s not enough room in the tool box, then It’s probably just time for a bigger toolbox.

wiha 80 pc Electrician tool set

If the person on your list is a tool enthusiast, they would probably agree with the above statement.  Give them a gift they’ll love and shop our Wiha Hand Tools.  Save on all hand tools like screwdriver sets, wrenches, socket sets, pliers, cutters, and hex keys.  All our hand tools are made from quality steel, are ISO certified and guaranteed to last.  Give tools your loved ones can count on as much as you count on them.  Psst…  Shop our Sale Section for great prices on great tools that will have you and them grinning from ear to ear.

4.  “That’s not a knife, This IS a knife”

crocodile-dundee-knife2

If your giftee shares the same warm fuzzy feeling for sharp objects as Crocodile Dundee, then a SOG knife may be right up his alley.  SOG is located in Lynwood, WA and makes absolutely incredible knives and multi tools.  SOG got their start by making knives for the Navy Seals and Special Forces.  They have greatly expanded their line of knives for use in hunting, tactical and outdoors.  If there is someone on your list that’s a fan of the outdoors, outfit them with a SOG Knife or multi tool.  Want to make it even more special?  Get your tool engraved with their name or a special message just from you.

vulcan     SOG Multi-Tool

5.  Eat my dust…  Saw dust that is.

router-bits

If there is someone on your list that spends a great deal of time with his router or table saw, he might really enjoy a new Router Bit set or Saw Blade.  Save on American made Router bits and router bit sets that will keep them happily making their woodworking plans come to life.  Or bring new life to his table saw by getting him a brand new saw blade.

For a limited time only and while supplies last, get the Exclusive Essential Whiteside Router Bit set- Only from Carbide Processors.  We have teamed up with Whiteside and asked them what the most essential router bits are.  We’ve put together a set with the 3 most commonly used router bits and thrown in a durable and convenient case so that we can offer you the best price on these essential bits.  Whether the woodworker on your list is a novice or a seasoned professional, they are sure to enjoy this great set with their most essential “go-to” bits.  Save on our Exclusive Whiteside 411 set while supplies last.

6.  Needs more Power…

more power

Is there a tool lover that can’t get enough power on your list this year?  Give them a Power Tool from Triton.  Triton Power tools makes award winning routers, laser-guided circular saws, cordless drivers, and more.  The Triton 20V Impact Driver will satisfy the Tim the Toolman Taylor inside anyone on your gift list and will complete all his DIY projects inside and out.  Choose from many other great Triton Power Tools all at very competitive prices.

Triton tools

7.  Seeing Red…

woodpecker_ts_12

If precision and quality are at the top of the list then you can’t go wrong with Woodpecker’s router Accessories.  Woodpecker’s precision Squares and layout Tools are precision ground on state-of-the-art machinery using aircraft grade aluminum steel and anodized in Woodpecker’s trademark red coating for superior tool protection.  Woodpecker’s has a great variety of router accessories that any woodworker would love to get their hands on.  Choose from router lifts, clamps, layout tools, and other innovative products.  If it’s Woodpeckers, then they’ll know it’s quality.Holiday Woodworker Drill Press Package, HWDP-PACK -  PACK

We’ve paired some of our favorite brands into unique Holiday packages and discounted them for a limited time.  Check out some of our signature Holiday Woodworking packages containing all the best brands like Woodpecker, Whiteside and Micro Jig.  Shop our Holiday packages here

 

If you are pretty crafty yourself, why not make something.  Gifts made by you are always extra special.  Anyone will appreciate the time and thought that went into it, even if it looks like this…

funny-wood


Carbide Processors – Whiteside Essential Router Bit Set 1/2 Shank

Posted on Wednesday, December 2nd, 2015 at 2:49 pm.

411

Carbide Processors has teamed up with Whiteside Machince Co., better known as Whiteside, to bring you an exclusive new woodworker set! You will not find the Carbide Processors’ Essential Woodworking Set 411 anywhere else. This set was created to meet the needs of all woodworkers, from novice to seasoned experts.

This Essential Woodworking Set 411 consists of the three most popular Whiteside router bits for wood applications.  The set includes

1. 2006– 1/4in Radius Roundover bit: Carbide tipped, ideal for decorative edges, lower depth setting for joints & molding

2. #1084– 3/4in. Diameter 2 flute straight bit: Carbide tipped, plane edges, cut grooves, rabbets, slots, and dadoes

3. 2405– 1/2in. Diameter 2 flute Flush Trim bit: Carbide tipped, trim laminates and pattern routing

 

About Whiteside-

Whiteside Tag

For over 40 Years, Whiteside has consistently produced superior cutting tools, which has given them a name recognized for quality and dependability. American Made Whiteside router bits typically rate number one for both quality and value in Magazine reviews. These top end router bits are beautifully balanced and prevent ‘potato chipping’.  Whiteside uses thick pieces of high quality micro grain carbide so that it keeps a sharp edge and can withstand extra sharpening. Held to strict tolerances, you will never have to worry about consistency in cuts and performance. Read our previous article on the beginning-to-end process of the life of a Whiteside router bit.

Don’t just take our word for it, click here to read Brian Kent’s review from Sawmill Creek! He was on the look-out for an American Made router bit to create a custom high-chair for his grandson. After doing research he narrowed his choice done to 2 types of Whiteside router bits: bowl and tray & round nose core box bit. Unsure of his decision he posted his dilemma on Sawmill Creek.

That’s when we stepped in and offered to contact Chris at Whiteside for his recommendation. He recommended the Whiteside 1376B and 1411 for this special project. Tom saw this as a wonderful opportunity for a Tool-Review so we offered to send him both bits for free if he would let us know how they performed. Click here for the pictures and final outcome of Brain Kent’s project!

 


Black Friday Deals & Save on Doorbuster Deals!!

Posted on Monday, November 2nd, 2015 at 3:39 pm.

Here is your sneak peek on some of our Black Friday Deals!!

Black Friday

 

Save up to 40% on our most popular brands: Incra, Woodpecker, Micro-Jig, Triton, Whiteside, Vortex, Wiha, Wera and more!!! Superior quality at the most affordable price ever offered!! Start making you lists now and let everyone know that the best deals are available only at Carbide Processors.

 

Door Buster Deals

 

Doorbuster Collage

Save up to 50% on select hand tools, clamps and sets! Affordable gifts for you and for those that you love. And don’t forget to earn Carbide Bucks– save $5 now on orders of $100 or more between November 3 – November 26 and re-use those savings November 27 – December 25, 2015. Read all the details here!


Carbide Bucks $$$ for Holiday Savings!!!

Posted on Monday, November 2nd, 2015 at 3:30 pm.

 

It’s that time again, for our registered customers to save now & later by earning $Carbide Bucks$ towards future purchases. This is our opportunity to say “thank you” and happy Holidays by offering you huge savings!

How it works: Save $5.00 NOW on every order over $100 by using coupon code cpbucks November 3 – 26, 2015. In addition to the $5 off, you will be issued $5 in Carbide Bucks for every $100 you spend (store credit) that can be used on your future purchases November 27 – December 25, 2015.

For example:

**place an order for an Incra Miter  5000 for $314.51.  Get $5 off today plus free shipping & receive $15 ($5 for every $100) off your future order.  Just type cpbucks in the coupon box.

**that $15 savings will be available for you to re-use in the form of store credit (Carbide Bucks) 11/27 – 12/25. Your Carbide Bucks can be used for anything on our website! Buy for you, buy for them!

If you think you might forget how many Carbide Bucks you’ve earned, don’t worry. We will send you reminders throughout the redeeming period!

**Registered customers are customers who have registered for an account during the check-out process (ie: not checked out as a guest). Registration includes customer ship to and bill to information as well as contact and email information.

 

 

 

 

 

 

 

 


Woodworking Hazards- Common Issues & Preventions

Posted on Thursday, October 8th, 2015 at 2:39 pm.

woodworking

Wood is the most commonly used material for arts, crafts, jewelry, woodworking, framing, joining, sawing, sanding & painting. Here are a few safety considerations to consider before embarking on your next project.

 

hardwoods

Hardwoods – used mainly for sculptures and furniture making.

1. Direct contact from sap found in most green wood can cause skin allergies & irritations.

2. Long term dust exposure can cause conjunctivitis, hay fever, asthma and other respiratory diseases.

3. Some hardwoods contain toxic chemicals that can cause headaches, nausea and irregular heartbeat.

 

Softwood

Softwoods- common in furniture making.

1. Dust exposure may cause respiratory inflammation.

2. Some individuals can develop allergic reactions involving skin irritations.

 

plywood

Plywood and Composition Board

1. Formaldehyde is toxic by ingestion and skin contact.

2. Machining, sanding or heating can cause formaldehyde to become airborne.

 

wera

Wood Treatments & Preservatives

1. Certain chemicals are highly toxic and can be absorbed through the skin causing organ damage.

2. Inhalation may cause digestive problems as well as kidney and blood damage.

 

wood gluing

Gluing Wood

1. Epoxy glues are toxic and should not come into contact with skin, eyes or inhalation.

2. Cyanoacrylate glues can glue skin and other materials together requiring surgical separation.

3. Formaldehyde-resin glues are carcinogens.

4. Adhesives are extremely flammable and cause nerve damage when inhaled.

5. Water based glue is slightly toxic when ingested or inhaled.

 

paint stripping

Paint Striping

1. Toxic when inhaled or makes contact with the skin.

2. The solvents used are highly flammable.

3. Caustic soda used is highly corrosive to human skin and eyes.

 

painting wood

Painting & Finishing

1. Mixing paint from dry pigment can lead to possible inhalation.

2. Solvent based paints are flammable.

3. Water based paint does contain some solvents but is of minimal risk.

4. Shellac usually contains ethyl alcohol which is slightly toxic but lacquers are made up of toluene & hexane.

5. Paints, waxes & polyurethane coatings based on mineral spirits are  combustible.

6. Oil soaked rags and paper towels are a spontaneous combustion hazard.

 

Preventive measures should always be used to maintain your safety. Wear the proper safety gear as in safety glasses, hearing protection and face shield/mask. Also, know the tools and machines your are working with. Make sure to read manuals and follow recommendations on tool care and RPM’s. Make sure all blades, bits and drills are sharp and in good working condition. Do not use a tool or attachment on a machine for which it is not designed. Always clamp stock securely when sanding, grinding or drilling. If possible, use an exhaust ventilation system to remove sawdust and chips from your machines. Work in a clean well-ventilated area and research the wood and/or chemicals you will be working with. Avoid distractions!

 

 


Donation to the Middle School Robotics Team

Posted on Friday, October 2nd, 2015 at 1:28 pm.

Today’s youth is tomorrow’s future.  Tom, the owner of Carbide Processors, firmly believes this and is always more than happy to help and invest in our youth.

About a year ago, we had received an email asking for help with supplies and tools for a middle school robotics team.  This request was for a group of young kids that had a strong desire to learn and were very interested in robotics and science.  Of course we were more than happy to help.

The boys were eager and excited to organize their own robotics team and compete against other kids in the VEX robotics competitions.  The mother of one of the students that had originally contacted us shared a letter about the team and the VEX Robotics program below.

“Last year, two of the boys, Ben and Devin, wanted to start a new robotics team in December but they were informed by their school that it was too late in the year to start a new team.  They were told that they were still young, 6th graders and 12 years old, and that they could start a new team in the next school year.  Well, Santa was kind to them that December and robot parts arrived under the tree.  The boys formed a team outside of the formal school system: Team 351A-The Warp Drivers.  The boys worked hard and competed as an independent family-supported team.  Amazingly, they went on to win the Vex Robotics Maryland State Middle School Championship last year (I guess they weren’t too young to win)!  This year the two boys were joined by another friend, William, also a middle school student.  The three boys, now seventh graders, have repeated their winning performance in the 2014-2015 Vex Robotics season and have again won Vex Robotics Maryland State Middle School Championship!  Two years in a row!  Additionally they are #1 in Programming and #1 in Robot Driving in Maryland, middle school division.  To watch the team in action, the boys have some of their robot matches posted on their YouTube channel (Vex351A):   https://www.youtube.com/channel/UCUMnULnhHnLXjEklvBWy0_g

Needless to say, we are all very proud of our kids!

[We’re pretty proud of these young kids too]

The VEX Robotics program, which is a part of the REC Foundation (http://www.roboticseducation.org/), is an incredible program that fosters STEM in the community, inside and outside of schools.  The obvious aspects are engineering and programming but it also teaches kids to present their work to adult judges and to learn to communicate with their peers, since the kids have to figure out how to work together (and against each other!) on the competition field.  The 2015 VEX Robotics World Championship Middle School Division information can be found at  http://www.robotevents.com/robot-competitions/vex-robotics-competition/re-vrc-15-1983.html.  It will be held in Louiseville, Kentucky at the Exposition Center and at the same time, the Elementary, High School, and University divisions will also be running.  There will be over 4,000 kids from all over the world competing …. and about a zillion parents and teachers will be present!”

Elizabeth thanked us for our “generous support”, but we were truly grateful and honored to be able to help out such a great program.

The VEX Robotics teams often use hex keys (like the Bondus 5/64″ hex keys, or the Bondhus 3/32″ hex keys) to construct their robots.  We had made a donation of hex keys and Edge Eyewear safety glasses to the kids in the VEX program.   Thank you Elizabeth for sharing your story and for allowing us to be a part of it.

 


Shop Tested Drill Speeds for various types of drills

Posted on Tuesday, September 8th, 2015 at 1:52 pm.

Below is a chart taken from Wood Magazine on recommended speed rates for various types of drill bits.  Please note that NR means Not Recommended.

Recommended Operating speed for the given material
Drill Type Soft Wood Hard Wood Acrylic Brass Aluminum Steel Glass & Tile *Shop Note:
Twist Drill Bits
1/16″ to 3/16″ 3000 RPM 3000 RPM 2500 RPM 3000 RPM 3000 RPM 3000 RPM Lubricate drill with oil when cuttin steel 1/8″ or thicker.   Use Center punch on all holes to prevent drill from wavering.
1/4″ to 3/8″ 3000 RPM 1500 RPM 2000 RPM 1200 RPM 2500 RPM 1000 RPM
7/16″ to 5/8″ 1500 RPM 750 RPM 1500 RPM 750 RPM 1500 RPM 600 RPM
11/16″ to 1″ 750 RPM 500 RPM NR 400 RPM 1000 RPM 350 RPM
Brad Point Bits
1/8″ 1800 RPM 1200 RPM 1500 RPM NR NR NR Raise 1/4″ and smaller bits often to clear shavings and prevent heat build-up.
1/4″ 1800 RPM 1000 RPM 1500 RPM NR NR NR
3/8″ 1800 RPM 750 RPM 1500 RPM NR NR NR
1/2″ 1800 RPM 750 RPM 1000 RPM NR NR NR
5/8″ 1800 RPM 500 RPM 750 RPM NR NR NR
3/4″ 1400 RPM 250 RPM 750 RPM NR NR NR
3/8″ 1200 RPM 250 RPM 500 RPM NR NR NR
1″ 1000 RPM 250 RPM 250 RPM NR NR NR
Forstner Bits
1/4″ to 3/8″ 2400 RPM 700 RPM NR NR NR NR Raise 1/4″ – 3/8″ bits often to clear shavings and prevent heat build-up. Make several shallow passes with larger bits; allow bit to cool between passes.
1/2″ to 5/8″ 2400 RPM 500 RPM 250 RPM NR NR NR
3/4″ to 1″ 1500 RPM 500 RPM 250 RPM NR NR NR
1- 1/8″ to 1- 1/4″ 1000 RPM 250 RPM 250 RPM NR NR NR
1- 3/8″ to 2″ 500 RPM 250 RPM NR NR NR NR
Glass & Tile Bits
1/8″ NR NR NR NR NR NR 750 RPM Wear safety goggles. Use drill press only. Do not apply excessive pressure. Lubricate with water while drilling. Reduce quill pressure when bit tip emerges from back side.
3/16″ NR NR NR NR NR NR 600 RPM
1/4″ NR NR NR NR NR NR 500 RPM
5/16″ NR NR NR NR NR NR 400 RPM
3/8″ NR NR NR NR NR NR 350 RPM
1/2″ NR NR NR NR NR NR 200 RPM
Hole Saws
1″ to 1- 1/2″ 500 RPM 350 RPM NR 250 RPM 250 RPM NR Do not use with brass or aluminum thicker than 1/16″.   Avoid dense hardwoods such as maple.
1- 5/8″ to 2″ 500 RPM 250 RPM NR 150 RPM 250 RPM NR
2- 1/8″ to 2- 1/2″ 250-500 RPM NR NR 150 RPM 250 RPM NR
Multi-spur bits
2- 1/8″ to 4″ 250 RPM 250 RPM NR NR NR NR Smaller sizes also available; use Forstner speeds.
Spade bits
1/4″ to 1/2″ 2000 RPM 1500 RPM NR NR NR NR Clamp work to table to improve quality of hole
5/8″ to 1″ 1750 RPM 1500 RPM NR NR NR NR
1- 1/8″ to 1- 1/2″ 1500 RPM 1000 RPM NR NR NR NR
Circle cutters
1-1/2″ to 3″ 500 RPM 250 RPM 250 RPM NR NR NR Drill one side, flip material over, place center bit in it’s hole and resume cut
3-1/4″ to 8″ 250 RPM 250 RPM 250 RPM NR NR NR
Countersinks
2- flute 1400 RPM 1400 RPM NR NR NR NR Raise and lower frequently for quicker cutting
5- flute 1000 RPM 750 RPM 750 RPM 250 RPM 250 RPM 250 RPM
Countersink screw pilot bit
All Sizes 1500 RPM 1000 RPM 500 RPM 500 RPM NR NR Clear Twist often
Plug cutters
Any 1000 RPM 500 RPM NR NR NR NR Cut to full depth so bit chamfers plug.

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