Extension drill rod, Round 51mmx T51x3660mm

We are a professional productions base of series of fast moving rock drilling tools, button bits, mining tools, DTH drill tools, DTH bits, DTH hammers, DTH drill pipes, construction tools and excavating coal pick cutter tools, we can also produce other products according to the customers requirements. We sincerely welcome our friends of both home and abroad to come for business talks.

About products: 1. Integral Drill Steels (Integral Drill Rods) Shank H22x108mm, H19x108mm, standard hex. Bit diameters include 20-42mm.

2. Tapered Drilling Tools (Tapered Drill Steel) Including: Shank H22x 108mm, (6, 7, 11, 12 degree taper) taper rods in most lengths. A comprehensive range of button bits, cross bits and chisel bits with (6, 7, 11, 12 degree taper). Bit diameter: 28mm-57mm. 3.

Threaded Button Bits Button bit, face design: Flat face, Drop centre, Normal and Retrac body; Tungsten carbide buttons: spherical, ballistic and conical. (Threaded R22 R25 R28 R32 T38 T45 T51 T60; bit diameter: 32mm-152mm).

4.Thread Extension Steel Bars for Rock Drilling Our thread drill rod mainly include MF rod, extension rod, drifer rod, shank end adapter rod, own high fatigue strength, elasticity, rigidity and toughness, but strength and toughness is contradictory. The thread at both ends of the thread rods is a whole set of drilling tools, it's the key part of rod.

It is well known that the performance of the material could be played well only after going through heat treatment to release its maximum potential, therefore, the choice of material and heat treatment process are important on an equal basis.

5.Couplings Sleeves Jinquan’s rock drilling coupling sleeves are manufactured with a middle stop to prevent walking along the thread. Include couplings sleeve (Threaded R22, R25, R28, R32, R38, T38, T45, T51).

6.Shank Adapters R32, R38, T38, T45, T51 thread rock drilling shank adaptors are carburized and manufactured with tight tolerances and controlled straightness, which are suitable for all popular drifters and top hammers in the world, such as Atlas Copco series drifters, Tamrock series drifters, Garden Dever series drifters etc.