roof bolting bit

Model:	-
Brand:	ouman
Origin:	Made In China
Category:	Industrial Supplies / Mining Machine
Label:	anchor bit , pdc bit , roof bolting bit
Price:	US $5 / pc
Min. Order:	100 pc

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Product Description

Pdc anchor shank drill bits are mainly used to drill the roof and side supporting hole, the gas drainage, water infusion, geological exploration hole and grouting hole and so on for the coal mine seam, water conservancy and hydropower, dam and roadway construction of bolt-mesh support. The life of these bits is 10-30 times of alloy bits.

Model		Application
Two-wing PDC anchor drill bits	Half-piece PDC drill bits	Soft-medium hard formation of f ≥ 7
	Complete-piece PDC drill bits	Medium-hard formation of f ≥ 8
	Reinforced PDC drill bits	Hard formation of f ≥ 10
Triple-wing PDC anchor drill bits	Half-piece PDC drill bits	Hard formation of f ≥ 12
Triple-wing PDC anchor drill bits	Reinforced half-piece PDC drill bits	Hard formation of f ≥ 14