8 1/2″ Drill Bits - Manufacturers, Suppliers, Factory from China

8 1/2″ Drill Bits, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Professional production of high-quality drill bits

We are thrilled to announce our professional production of high-quality button bits. Our button bits are specifically designed for drilling in tough and demanding conditions, making them the top c...
China’s Best Tapered Rod Production Line Established by Pangolin Project

Pangolin Project was finished on Feb.28th, 2014. After almost 10 months of adjustment, this tapered rod production line is the best in China. 1.Continuous operation of 7 operators in forging proces...
Introducing the Pneumatic Pick - The Latest Innovation in Heavy-Duty Tools!

Introducing the Pneumatic Pick – The Latest Innovation in Heavy-Duty Tools! We can produce TCA7,G10,TPB40,TPB50,TPB90,B67C,RB777,SL80,B47,B37,SK10,B87C,TCD20,TPB60 etc. The Pneumatic Pick is ...
Extension rods

Extension rods are made by hollow drill steels; there are two shapes of extension rods, round type and hexagonal type. This hollow hole are usually named flushing hole, used for transmitting water ...
Tophammer drilling tools

We use them to give you the best experience. If you continue using our website, we’ll assume that you are happy to receive all cookies on this website. In 2018, Atlas Copco will grow into two...
Hard Rock Tapered Drilling Button Bits Rock Tools

Tapered drill rod (taper steel rod, taper drill steel), which provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the ...

Impregnated Diamond Core Drill Bits