rock drill accessories online manufacture

Boring Machine Parts Down The Hole Hammer 5 Inch HSD Series HSD5 Products specifications: Shank HSD55 Length (less bit) 1175mm Outer diameter 125mm Top sub thread API 3 1/2" REG pin / API 2 3/8" REG pin Weight ... Read More

Big Hole Drilling Down The Hole Hammer 12 Inch HSD Series HSD12 for SD12 shank Products specifications For HSD12 Hammer: Shank HSD12 Length (less bit) 1880mm Outer diameter 275mm Top sub thread API 6 5/8" REG ... Read More

Conventional Down The Hole Hammer 3 Inch HD Series HD35 For Shank IR3.5 Feature: 1, valveless air distribution. More reliable. 2, simple design of the piston, long life. 3, More efficient energy transfer, ... Read More

Piling Hole Applications Down The Hole Hammer 12 Inch Hammer Without Footvalve For Shank SD12 Feature: 1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption. 2. Smooth ... Read More

Conventional Hammer Down The Hole Hammer 4 Inch Hammer MACH For Shank Mach44 Features: 1.Out of the trouble of foot valve fracture and expansion and contraction; 2.Lower energy consumption and higher impact ... Read More

4 Inch Cop44 DHD340 SD4 QL40 M40 TD40 Mach44 Down The Hole DTH Hammer Features: 1.Out of the trouble of foot valve fracture and expansion and contraction; 2.Lower energy consumption and higher impact frequency. ... Read More

Product description Down-the-hole (DTH) bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a ... Read More

Product description DTH drilling tool is a kind of drilling system which uses compressed air as motivation, makes drilling impact motivation parts down the hole, to control the piston reciprocating motion by ... Read More

Product description DTH drilling tool is a kind of drilling system which uses compressed air as motivation, makes drilling impact motivation parts down the hole, to control the piston reciprocating motion by ... Read More

Product description Product introduction: A down-the-hole drill, usually called DTH is mainly a pneumatic powered rock or ground drill, in which the percussive hammer is located directly behind the drill bit, ... Read More