china auger bullet trencher drill bit teeth and holder for concrete drilling

The tooth body is made of high quality cold extrusion 42CrMo, high density not decarburization. Numerical control lathe processing ensures consistent size. With special heat treatment process of 40-45 degrees, its surface is almost no oxidation, tooth head using isothermal quenching process, its hardness doesn't reduce. Production of cemented carbide by formal domestic companies, stable quality can accord customer needs to add welding wear-resisting layer, hardness reaches more than 65 degrees.

Feb 21st,2025 288 Views

Product name	Carbide brazed tips coal mining tool
Applicaton	Coal mining, tunnel boring machine
Feature	High wear resistance, no spark, replace frequency
Advantage	Long service life, high efficiency, good energy efficiency
Process	Forging
Technology	Isothermal quenching process
Brand	Yikuang Drilling
Model for mining	U82 U84 U85 U92 U94 U95 U170
Model for tunnel boring machine	D47 D120 D 135
Rock formation	Soft, hard, very hard, extremely hard

We also supply tunnel boring machine cutting picks and road milling teeth, pick holders.

China Auger Bullet Trencher Drill Bit Teeth and Holder for Concrete Drilling

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china auger bullet trencher drill bit teeth and holder for concrete drilling