Type of processing

•  Finishing (6)
•  For door lock-case (3)
•  For joinery (1)
•  For lettering and engraving (1)
•  For trimming (1)
•  Roughing (5)

Type of spiral

•  Downcut / negative (7)
•  Upcut / positive (11)

B (cutting length)

• (no filter) 

  12 (5) 16 (1) 32 (1) 22 (4) 14 (2) 17 (5) 30 (1) 45 (4) 35 (6) 51 (1) 27 (3) 55 (2) 80 (1) 95 (1) 115 (1) 72 (2) 102 (1) 1/2” (1) 3/4” (1) 1-1/4” (1) 1” (2) 2” (1) 52 (1)

D (diameter)

• (no filter) 

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

L (total length)

• (no filter) 

  60 (5) 50 (3) 70 (1) 80 (7) 90 (1) 100 (3) 76 (1) 125 (1) 150 (1) 140 (2) 175 (1) 110 (1) 120 (3) 155 (1) 2” (1) 2-1/2” (1) 3” (1) 4” (1)

S (shank)

• (no filter) 

  10 (1) 12 (2) 6 (2) 8 (2) 20 (1) 14x45 (1) 16x45 (1) 18x45 (1) 16 (1)

Z

• 2 (10) 2 (2) 

  1 (2) 3 (9) 3 (2)

Rotation

• (no filter) 

  RH (7) LH (2) RH (1)