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Products Home >Top Hammer Drilling Tools
Thread drill bit
Product Details
Thread drill bit
Threaded drillbits are widely used for mining, quarrying, construction tunneling and so on. We produce all threaded drill bits by hot press insert technology.
We can produce allproducts in the following specifications:
Type of thread bit:
Corss bit, Buttonbit, X bit, Reaming bit 
Thread size:
R25, R28,SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68,SGT60
Bit diameter:
28mm to 154mm
TC(tungstencarbide) type:
Hemisphere,Parabolic, Ballistic, Conical
Unversal buttons for all rock formations. Best suited to hardest and very abrasive rock formations. Excellent penetration rate, but only suited to medium hard and not so very abrasice rock formations. For soft to medium rock hardness, more aggressive with faster penetration rates. Similar to parabolic buttons, used for soft to medium hard and not so abrasive rock formations, excellent in penetration tate.
Hemisphercal buttons
Parabolic buttons
Conical buttons
Ballistic buttons
Face type:
Flat face,concave, convex
Flat face For drilling in medium to hard abrasive rock Drop Center For drilling in medium to hard maximum hole deviation control 
Body type:
Normal body andretrac body type
Normal skirt For drilling in very hard and very abrasive rock formation which is compact. Retrac skirt For drilling in loose, broken or fissured rock where it is diffecult to retrac the drill string due to the hole collapes.
We select highquality carbide and alloy as raw materials to ensure good working performanceand stable quality.
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