2. High Dilling Eficiency: the dril buttons is wear-resistant, so that the drill can always keep sharp thus greatly improving the speed of the drllng.
3. The driling speed is stable:the bit is scraped and cut to break the rock.
4. Good Performance: bit has strong wear resistance, good Diameter protection and can make the cutting teeth be used efficiently.
5. The use of a wide range:the practice proves that the bit is suitable for carbonate rock, limestone, chalk, clay rock,siltstone, sandstone and other soft and hard(9-grade drillability of rock, hard rock drling), compared with normal bit,especially drilling in 6-8 grade rock the effect is particularly significant.
Product name:DTH Hammer Bit
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Type:high air pressure dth bit
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Application:Quarry,construction,blasting,open pit and undergro
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Diameter:105-127mm
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Material:Carbon Steel
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Size:4 inch
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Bit face:Center drop/Flat/convex/concave/double gauge face bits
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Button shape:Spherical/Ballistic/parabolic/sharp/falt bottons
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Process:Forging and Heat treatment
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Packing: packing according to customer’s requirement.
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A: You can pay directly online on Alibaba with credit card, or TT, Western Union, LC etc.
2. How is the shipment? How long dose it take?
A: For large quantity or heavy products, we ship by sea shipping or land shipping. Shipping efficiency depends on country and city you want to ship to. For small and delicate products, we ship by DHL, UPS, Fedex or TNT.You can also appoint shipping method you like before we ship. 3.How is your quality control? A: We have our own experienced QC.There will be strict inspection and testing for every order before shipping out.
4.Do you have any certificate of authorization?
A: Our machinery is CE certified,
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