KOSHUHA stick bite no. 1

[Features]
NK4 is a grade of steel developed for lathes and has excellent machinability.
It is a JIS standard product.
Demonstrates high performance with heat resistance and wear resistance superior to conventional SKH4.

[Use]
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【specification】
JIS (type): 5 type
Width (mm): 3.2
Height (mm): 12.7
Total length (mm): 90

[Specification 2]
Applicable model: Lathe

[Material/Finish]
Kosoku steel (NK4)
Hardness: 65.5-68.5HRC

[Set contents/accessories]
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【caution】
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