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what is the material of the DTH button bits
May 07, 2018

Many customers ask what is the material of the DTH button bits?

Now let me tell you!

Carbide: 

material YK05. hardness HRC 90+. tensile strength 3000N/mm2

Bit body (steel): 

material high wear resistance steel, usually is 23crni3mo. but also can use imported steel like EN30B, as per clients' request.

hardness HRC 55+.


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