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  • T45 Button Bit for Bench Drilling

    T45 button bits are made of alloy steels and the best carbides, we produce all threaded button bits by hot press technology.
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  • High Air Pressure DTH Hammer without Foot Valve

    DTH Hammer with Foot Valve type is the most popular type High Air Pressure DTH Hammer. It is widely used in well drilling, pile foundation, and engineering project. GMD has rich experience in...
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  • Extension Drill Steel for Long Hole Drilling

    Extension drill Steel is for top hammer production drilling in mining, tunneling, Bench Drilling, drifting, long-hole drilling, construction. High strength chromium-molybdenum steel with high...
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  • Hydraulic Rock Splitter for Concrete Demolition

    Hydraulic Rock Splitter can split the object within seconds and keep working constantly. Its working efficiency is 5 times than that of breaker hammers. The consumption is only 1/10 of it. It...
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  • High Range Expansive Mortar

    High Range Expansive Mortar (HSCA, also called Static Cracking Agent) is a soundless and safe demolition agent which is quite different from ordinary demolition agents such as explosives and...
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  • Air Leg Rock Drill

    Air Leg Rock Drill we usually called YT Series Rock Drill. It always works with support air leg, can be used for any angle drilling. It is mainly used in quarries, mines, for constructing in...
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  • Shank Adapter

    Striking Bar we also called it striking bars, Shank adapters, shank rod or Shank adaptor. It is generally better suited for drifting, tunneling & extension applications where high bending stresses...
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  • Wedge Shims for Stone Splitting

    Wedge Shims is also known as Hand Splitter, Plug and Feathers, Feather Pair and Wedges. These tools are the oldest and still one of the best ways to split stone. Small wedge and shims in 5/8" and...
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  • Concentric Casing System

    Concentric casing system is designed to drill and case a hole simultaneously through unstable ground conditions. The driver bit incorporated with a satisficial ring or reusable ring makes a full...
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  • Tapered Button Bits

    Tapered Button Bits are widely applied in small-hole drilling, such as stone quarrying, mining, tunnel work and construction. It is for drilling medium-hard to hard and abrasive rock formations
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  • Integral Drill Rod

    Integral Drill Steel, it is also called Integral Drill rod. This Rod is widely used for rock drilling, blasting holes and other drilling works in the quarries, coal mines, traffic and other...
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  • YN27C Gasoline Rock Drill

    The internal combustion rock drill type YN27C is a very efficient hand held drill machine bulit up with gasoline engine, air pump, rock drill and the rotation plum bum equipment for running or...
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