How to Read a Saw Blade

What Saw Blade Markings Mean

Popular Tools saw blade label
Popular Tools saw blade label

Many quality saw blades have engraved information on them.  These help identify the blade for the user.   They also provide the original spcifications for the sharpener.   Badly worn blades can be a real problem for a sharpener because they cannot always tell what the original angles were.   Engraved markings make sure the blade is sharpened properly every time.

Engraving is far and away preferred.  Paint wears off rapidly and electrically etched markings can interfere with the tension and thus the flatness and runout of saw blades.

10” x 0.126”   Z=60

Ǿ = 5/8”         SK=0

10º    0º    15º    15º

RPM MAX   7000

        GA1060

           ATB

  L0I18XA-089/100 

 

Explanation

10” x 0.126”   Z=60

10”       =  Diameter

0.126”  =  Kerf

60        =  Teeth

 

Ǿ         = 5/8”         SK=0

Ǿ         = Bore = 5/8” (mounting hole, shaft hole, center hole)

SK      = Keyways

 

10º   0º   15º   15º

10º   =  Hook

0º   =  Face angle

15º   =  Top angle

15º   =  Angle left to right (or right to left) of ATB (Alternating Top Bevel) grind

 

RPM MAX   7000

GA1060          = Model Number

ATB                = Alternate top Bevel Grind

 

L0I18XA-089/100

LOI                  = Plant where blade was made

1                      = Year made

8                      =  Month made

XA                   = Batch designation

089/100           = Blade Serial #.  This blade was #89 out of a run of 100

This last information is incredibly important if you have any problems at all with your saw blade.

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