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305mm To 381mm Dth Drill Bit For 12 Inch High Air Pressure Dth Hammer

Categories DTH Drilling Tools
Brand Name: MIROC
Model Number: SD12-336mm DTH Drill Bit
Certification: ISO
Place of Origin: China
MOQ: 1
Price: Negotiation
Supply Ability: 2000pcs per month
Delivery Time: 15-20 days
Packaging Details: Standrad export packaging or customized
Material: Hign Manganese Steel
Use: Well Drilling
Model Type: SD12
Face Design: Concave, Convex, Flat
Carbide Design: Dome, Parabolic, Ballistic
Processing Type: Forging
Diameter: 305mm to 381mm
Shank Type: SD12
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305mm To 381mm Dth Drill Bit For 12 Inch High Air Pressure Dth Hammer

SD12 DTH Bit

DTH bit is the tool cutting rocks, and subject to severe stress from the striking piston as well as from the abrasive cuttings passing the bit at high velocity. When selecting the right bit for optimum performance you have to balance penetration against bit life. On occasion you can successfully sacrifice bit life for penetration, remember the rule of thumb that states that a 10% increase in penetration covers at least a 20% loss in bit life.We can design and manufacture according to customer's requirements of the bit diameter, the NO. of air holes, carbide buttons and face shape.


Specification


The Drill Head Diameter (mm)No. of Air HolesGauge ButtonsFront ButtonsWeight (kg)
305412*18mm36*16mm156
311412*18mm36*16mm168
330416*18mm42*16mm180
356416*19mm48*16mm191
381416*19mm48*16mm200

Buy 305mm To 381mm Dth Drill Bit For 12 Inch High Air Pressure Dth Hammer at wholesale prices
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