Yamawa Kosoku tap (for blind holes) M4

[Features]● Dedicated to machines with a fully synchronous lead feed mechanism. ● Kosoku tapping of 15 to 25 m/min is possible. ●Using the tool at low speed will result in poor chip shape and ejection, causing problems.

[Use] ● For drilling blind holes. ●Work material: carbon steel, alloy steel, aluminum alloy, zinc die casting.

[Specifications] Accuracy: P2 Accuracy notation: P grade Nominal dimension: M4 Pitch (mm): 0.7 Thread length (mm): 11 Overall length (mm): 52 Shank diameter (mm): 5 Square part of shank (mm): 4-Prepared hole diameter (mm): 3.38-Processed screw: metric thread-Number of chamfered threads: 2.5-Surface treatment: TiN coating-Number of grooves: 3

[Specification 2] ●Exclusively for a fully synchronous lead feeder.

[Material/Finish] Kosoku tool steel (HSS)

[Set contents/accessories]
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[Caution] ● Do not use this tap on a machine that is not equipped with a fully synchronous lead feed mechanism, as it may cause the female thread to expand or break.