Yamawa weak helix groove R type center hole drill CD-R 3XR10X7.7

[Features]
● This is a weak helix groove R-shaped center hole drill for R-shaped center hole processing.

[Use]
●Work material: carbon steel, alloy steel, tool steel, cast iron, copper alloy, aluminum alloy.
● Center hole processing.

【specification】
- Cone diameter (mm): 3.0
- Shank diameter (mm): 7.7
- Total length (mm): 55
- Rmax (mm): 10.0
Blade shape: Double-edged Blade length: 8.3mm

[Specification 2]
-

[Material/Finish]
Kosoku tool steel (HSS)

[Set contents/accessories]
-

【Note】
-