Type of processing

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

Type of spiral

•  Downcut / negative (1)
•  Upcut / positive (2)

B (cutting length)

• (no filter) 

  3/4” (2) 1-1/4” (2) 2” (1)

D (diameter)

• 1/4” (3) 

  22 (1) 25 (4) 50 (1) 1/8'' (1) 6 (1) 8 (1) 3 (11) 4 (11) 5 (11) 6 (11) 6.4 (1) 7 (3) 8 (21) 9 (1) 10 (22) 11 (2) 12 (23) 12.7 (2) 13 (1) 14 (11) 16 (19) 18 (11) 20 (13) 24 (1) 40 (1) 28 (1) 4.5 (2) 3.5 (2) 1/8” (3) 3/16” (2) 5/16” (2) 3/8” (6) 1/2” (6) 5/8” (2) 3/4” (2) 1/32” (1) 0.8 (1) 1/16” (1) 1.6 (1) 3.17 (1)

L (total length)

• (no filter) 

  2” (2) 2-1/2” (2) 4” (1)

S (shank)

• (no filter) 

  1/2” (1)

Z

• (no filter) 

  2 (2) 3 (1)