Yamawa weak helix groove A type 60°center hole drill CD-S 4X60°X10

[Features]
●It is a weak twist groove A type center hole drill suitable for relatively hard materials because the twist of the groove is weak.

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

【specification】
- Cone diameter (mm): 4.0
-Shank diameter (mm): 10.0
- Total length (mm): 65
- Center hole angle (°): 60
Blade shape: Double-edged Blade length: 4.5mm

[Specification 2]
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[Material/Finish]
Kosoku tool steel (HSS)

[Set contents/accessories]
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【Note】
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