ØD2 = D + 1.3     ØD2 = Swing Diameter     Ød1 = Tool Body Diameter

COFA Deburring Series C6
Ød ØD1 ØD Tool without Blade
Min. Hole Tool Diameter Approx. Cutting Dia. Approx. Cutting Dia. Tool Order Number
mm inches mm inches mm inches mm inches
Medium Blade Large Blade
6.0 .236 5.8 .228 7.0 .276 7.4 .291 C6-6.0- ☐
6.2 .244 6.0 .236 7.2 .283 7.6 .299 C6-6.2- ☐
6.4 .252 6.2 .244 7.4 .291 7.8 .307 C6-6.4- ☐
6.6 .260 6.4 .252 7.6 .299 8.0 .315 C6-6.6- ☐
6.8 .268 6.6 .260 7.8 .307 8.2 .323 C6-6.8- ☐
7.0 .276 6.8 .268 8.0 .315 8.4 .331 C6-7.0- ☐
7.2 .283 7.0 .276 8.2 .323 8.6 .339 C6-7.2- ☐
7.4 .291 7.2 .283 8.4 .331 8.8 .346 C6-7.4- ☐
7.6 .299 7.4 .291 8.6 .339 9.0 .354 C6-7.6- ☐
7.8 .307 7.6 .299 8.8 .346 9.2 .362 C6-7.8- ☐
8.0 .315 7.8 .307 9.0 .354 9.4 .370 C6-8.0- ☐
Blades sold separately for COFA-C Series, see Blade Options






Spare Parts - COFA C6
1 2 3 4
Split Pin Blade Holder Blade Spring
C6-E-0003 C6-E-0001 See Below See Below
5 6 7
Screw Retainer Block Assembly Pin Fixture*
GH-H-S-0803 GH-C-E-0812 C6-V-0006 C6-V-0008

Spring Options:
The cutting force of the COFA tool is controlled by a flat spring
Choose the proper spring for the material being machined.
Spring Code Order Number     Typical Materials
    Large or Heavy Burrs may require a stronger spring
W   C6-E-0008 Aluminum, Brass, Magnesium
H   C6-E-0009 Grey Cast Iron, Nodular Iron
S   C6-E-0010 Carbon Steel, Free Machining Steel
Z   C6-E-0011 Long Chipping Steel, Stainless
Z1 C6-E-0012 Titanium, Hardened Steel, Nickel Alloy
Z2 C6-E-0013 Nickel Alloy, etc
Z3 C6-E-0014 Nickel Alloy, etc

Blade Options:
Blades are available from stock as front and back cutting (fab) or back cutting only (bco).
Blade Type Geo. Medium Blade TiAIN Coated Large Blade TiAIN Coated
20° Standard fab C6-M-0006-A C6-M-0001-A
bco C6-M-0026-A C6-M-0021-A
10° Flat Surfaces fab C6-M-0007-A C6-M-0002-A
bco C6-M-0027-A C6-M-0022-A
30° Uneven Surfaces fab C6-M-0009-A C6-M-0004-A
bco C6-M-0029-A C6-M-0024-A


How to Order:
The COFA tool provides different blade and spring options to create the
most effective tool for any application depending on the hole geometry and
type of material being machined. Blades sold separately for COFA-C series.

1. Choose the tool that best fits the hole diameter.
2. Choose the spring that best fits the material.
3. Choose the blade that best fits the hole geometry.






We reserve the right to make technical changes.