Prefix H
Prefix T
Suffix A
Suffix B
Suffix E/C
Suffix M

- High Speed Steel
- Carbide Tipped or Solid Carbide
- Carbide Tip on Nose (Pilot Panel Bits)
- Ball Bearing Guide
- End Cutting
- Metric Size


Note: The last two numerical digits denote cutting size ie.
Metric T 216 M = 16mm Dia.
Imperial T 224 = 24/32 = 3/4”Dia

 

Suffix S

- Single Flute

  
Suffix 3/8
Suffix 1/2
Suffix 10mm
Suffix 5/16		 - 3/8”Diameter Shank
- 1/2”Diameter Shank
- 10 mm Diameter Shank
- 5/16” Diameter Shank		 Otherwise
1/4” Diameter
Shanks
Affix X - Long Series Router Bits. Not guaranteed against Breakage
Affix XX - Extra Long Series Router Bits. Not guaranteed against Breakage
A
B
C
E
ID
T
G
Bevel
R, R1, R2

Cutting Width
Flute Length
Overall Length. On router bits with bearings. Includes bearing and screw.
Pilot Width or Bearing Width
Inside Diameter
Wood Thickness
Depth of Cut
Bevel
Radii