Type of processing

•  Finishing (4)
•  For lettering and engraving (1)
•  Nesting (2)
•  Roughing (2)

Type of spiral

•  Compression cutter (2)
•  Upcut / positive (1)

B (cutting length)

• (no filter) 

  1-1/4” (2) 1” (1) 7/8” (2)

D (diameter)

• (no filter) 

  1/8” (1) 3/8” (2) 1/2” (2) 1/32” (1) 1/16” (1)

L (total length)

• 3” (3) 

  4'' (1) 60 (1) 50 (1) 70 (3) 74 (1) 80 (5) 90 (1) 100 (3) 84 (1) 78 (1) 115 (1) 135 (1) 110 (2) 165 (1) 130 (1) 4” (1) 3-1/2” (1)

S (shank)

• (no filter) 

  1/4” (1) 3/8” (2) 1/2” (2)

Z

• (no filter) 

  3 (1) 2+2 (1) 3+3 (1)