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Durable Mining Rock Drill Bits 7/ 11/ 12 Degree Cross Type Deep Hole Drill Bit pictures & photos

Durable Mining Rock Drill Bits 7/ 11/ 12 Degree Cross Type Deep Hole Drill Bit

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Min. Order / Reference FOB Price
10 Piece	US $5.00/ Piece

Local Area:	Changsha, Hunan, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, PayPal

Certification:	ISO 9001
Standard:	GB
Manufacturing Process:	Forging

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Product Description

Product DescriptionDurable mining rock drill bits 7 /11 / 12 degree Cross type deep hole drill bits

The Drill Bits are made from grade hard alloy and special steel, generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm. The drill tools are used inmetallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.

7/11/12 degree Taper Cross-type Drill Bit

Process:Forging,Heat treatment ,Inlay carbide
Material: 42CrMo,23Crni3mo etc.
Connection method:Tapered or Thread
We can produce long skirt and short skirt.
They are widely used in the mining projects