Type of processing

•  Finishing (12)
•  For door lock-case (5)
•  For lettering and engraving (2)
•  Nesting (4)
•  Roughing (9)

Type of spiral

•  Compression cutter (5)
•  Downcut / negative (5)
•  Upcut / positive (7)

B (cutting length)

• (no filter) 

  12 (5) 42 (4) 16 (1) 25 (1) 32 (5) 22 (8) 14 (2) 17 (5) 45 (4) 35 (4) 28 (1) 27 (4) 55 (2) 80 (1) 72 (3) 102 (3) 1/2” (1) 3/4” (1) 1-1/4” (3) 1” (1) 2” (1) 1-5/8” (1) 52 (3) 7/8” (2)

D (diameter)

• (no filter) 

  25 (1) 3 (5) 4 (5) 5 (5) 6 (5) 6.4 (1) 7 (1) 8 (8) 10 (8) 11 (1) 12 (9) 12.7 (2) 14 (3) 16 (5) 18 (3) 20 (3) 4.5 (1) 3.5 (1) 1/8” (1) 3/16” (1) 1/4” (1) 5/16” (1) 3/8” (3) 1/2” (3)

L (total length)

• (no filter) 

  60 (6) 50 (3) 70 (2) 80 (10) 100 (8) 78 (2) 115 (1) 135 (1) 150 (2) 140 (1) 110 (1) 120 (2) 165 (1) 130 (1) 2” (1) 2-1/2” (1) 3” (3) 4” (1) 3-1/2” (1)

S (shank)

• (no filter) 

  12 (1) 6 (1) 8 (1) 3/8” (2) 1/2” (2)

Z

• (no filter) 

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

Rotation

• RH (10) RH (2) 

  LH (5)