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Steel body PDC bit is made by AISI 4145H heat treatment steel manufacture, it has lower cost compare with Matrix body PDC bit.

GREAT customized made Diamond core bits ,which including Matrix body and Steel body.

Overview 120 ° U-shaped Roller bitGREAT has customized manufacture several types of roller bit . The traditional roller bit was cut by tricone bit . So it is including No.1 ,No.2, No.3 Cone cutters ....

Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples.