small rock drill bits online manufacture

About us: We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bit top hammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan... Read More

Chevron Step Drag Bit Carbide Blade Drag Bit 2 3/8"~6 5/8" API reg pin Product specifications: A drag bit is simply a series of blades (usually three or four in number) which produce a shearing action when ... Read More

8' DTH Drill Hammer with Thread 4 1/2' API REG for Comstruction Drilling Product description SOLLROC DTH hammers is designed around proven technology to perform at the top end of the performance scale compared ... Read More

Product description High Pressure DTH Air Drill DHD3.5 is very popular in international mining drilling and rock excavation field. Product introduction: Down-the-hole rock tools (drilling tools) are rock ... Read More

8' QL80A DTH Hammer without Foot Valve Type for Qre Mining or Well Drilling Product Advantages: 1.Avoid the problem happens on foot valve. Fracture,expansion and contraction 2.Lower air comsumption and higher ... Read More

3"-15" Chevron Type Drag Drill Bits For Soft to Medium Formations Product specifications: 1) Drag bits are made according to API standard or no thread standard just welding. 2) Various step and chevron drag ... Read More

Aw Bw Nw Hw Aq Bq Nq Hq Pq Wireline Drill Rods Drill Pipes Casing Pipes Specification: Wireline Drill Rods, from WLA to WLP, Parallel Threaded Drill Rods, DCDMA Sizes AW-HW, and Metric sizes 42mm to 90mm, ... Read More

Aw Bw Nw Hw Wireline Diamond Core Drill Pipe for Mining Exploration Drilling Product Description: Wireline Drill Rods, from WLA to WLP, Parallel Threaded Drill Rods, DCDMA Sizes AW-HW, and Metric sizes 42mm to ... Read More

Hard Rock High Air Pressure DTH Hammer SD8 for Mining and Water Well Drilling Product Description: A down-the-hole drill, usually called DTH by most professionals, is basically a jackhammer screwed on the ... Read More

Blasting Tools Down The Hole Drilling 5 Inch HD55 DTH Hammer For Hard Rock Product description A down-the-hole drill, usually called DTH by most professionals, is basically a mini jackhammer screwed on the ... Read More