GUHRING NC spotting drill F724 shank diameter 20mm center hole angle 120°

[Features]● The web is thin, so thinning is not necessary even when polishing. ●Because the chisel width is extremely short, a sharp conical center hole can be removed. As a result, it becomes a guide for the next process twist drill. ●Since the length of the blade is short, chips are discharged smoothly. ●Centering and chamfering can be performed in one process.

[Use] ●Cover materials: general structural steel, carbon steel, alloy steel, special hardened steel, stainless steel, aluminum alloy, cast iron.

[Specifications] Shank diameter (mm): 20 Total length (mm): 131 Center hole angle (°): 120 Blade shape: Single edge Surface treatment: Fire coating

[Specification 2] Number of blades: 2

[Material/Finish] Cemented Carbide (K10/K20)

[Set contents/accessories]
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