Yamawa weak helix groove A type 60° carbide center hole drill C-CD-S 3X60°X7.7

[Features]
● Carbide weak helix groove A-type center hole drill suitable for particularly hard materials and mass production.

[Use]
●Work material: low carbon steel, carbon steel, alloy steel, stainless steel, cast iron.
● Center hole processing.

【specification】
- Cone diameter (mm): 3.0
- Shank diameter (mm): 7.7
- Total length (mm): 55
- Center hole angle (°): 60
Blade shape: Double edge Blade length: 3mm

[Specification 2]
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[Material/Finish]
● Ultra-fine grain cemented carbide (HF)

[Set contents/accessories]
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【Note】
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