Type of processing

•  Finishing (2)
•  For lettering and engraving (1)
•  For trimming (1)

Type of spiral

•  Downcut / negative (1)
•  Upcut / positive (3)

B (cutting length)

• (no filter) 

  3/4” (1) 1-1/4” (1) 1” (1) 2” (1)

D (diameter)

• 1/4” (3) 

  25 (4) 50 (1) 1/8'' (1) 3 (6) 4 (8) 1/8” (1) 5 (5) 3/16” (1) 6 (7) 6.4 (1) 7 (1) 8 (14) 10 (15) 11 (1) 12 (15) 12.7 (1) 14 (9) 16 (15) 18 (8) 20 (11) 40 (1) 4.5 (1) 3.5 (1) 1/8” (2) 3/16” (1) 5/16” (1) 3/8” (2) 1/2” (2) 5/8” (1) 3/4” (1) 1/32” (1) 0.8 (1) 1/16” (1) 1.6 (1) 3.17 (1) 9.8 (1)

L (total length)

• (no filter) 

  76 (1) 2” (1) 2-1/2” (1) 4” (1)

S (shank)

• (no filter) 

  6 (1) 1/2” (1)

Z

• (no filter) 

  2 (2) 3 (1)

Rotation

• (no filter) 

  RH (2)