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Cangzhou Great Drill Bits Co.,Ltd. REQUETS A QUOTE
Cangzhou Great Drill Bits Co.,Ltd.
Constructure

Constructure

The hole openers are manufactured from AISI 4 145H fully heat-treated alloy steel. All are available with carbide-milled teeth and insert cutters. Arms and cutters are hardfaced for protection in three iferent designs for varying conditions and rock formations. The design of the hole opener llows for field-changing the cutters.