Type of processing

•  Finishing (5)
•  For door lock-case (1)
•  Roughing (3)

Type of spiral

•  Downcut / negative (3)
•  Upcut / positive (9)

B (cutting length)

• (no filter) 

  22 (1) 45 (1) 35 (3) 55 (2) 75 (1) 72 (1) 102 (1) 1” (1) 2” (1) 1-1/8” (1) 1-5/8” (1)

D (diameter)

• (no filter) 

  8 (2) 10 (3) 12 (3) 14 (1) 16 (2) 18 (1) 20 (2) 3/8” (1) 1/2” (1) 5/8” (1) 3/4” (1)

L (total length)

• (no filter) 

  80 (3) 100 (1) 83 (1) 105 (1) 115 (1) 125 (1) 160 (1) 110 (2) 130 (2) 3” (1) 4” (1) 3-1/2” (1)

S (shank)

• (no filter) 

  10 (1) 12 (1) 8 (1)

Z

• (no filter) 

  2 (2) 3 (2)

Rotation

• RH (3) 

  LH (1)