Integral Drill Rod 60mm 70mm 89mm Threaded Drill Rod For Blast Hole Drilling

Application:

Tapered drill rods are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling
Material: High quality carbide and high quality steel
MOQ: No requirement for testing and trial order
We can produce as your request of carbide size, different length of drill rods.

Hollow Hexagonal Drill Steel, is a rock drill steel or integral drill steel without tips. Hollow Drill Steel Bar is a type of steel specially used in drill rod manufacture, high intension and toughness.

Integral drill rod without tip shank sizes 82.5 mm * 22mm(3 1/4" * 7/8"), 108mm * 22mm(4 1/4" * 7/8"), 108mm * 25mm(4 1/4" * 1"), 159 * 25mm(6 1/4" * 1). Lengths: 400mm to 6400mm(1'4" - 21'). Head diameters: 27mm to 40mm.

hollow drill steel

The hollow drill steel is vital material for making drill rods. It is typically supplied as steel hollow bars that made from premium grade steel and through closely-controlled metallurgical process. The result is quality hex hollow drill steel with increased hardenability, uniform grain structure, and excellent machinability, which is difficult to break.

Drill rods made of Roschen hollow steel bars deliver stable drilling performance and extended wear life.

Materials: 55SiMnMo, 40SiMnCrNiMoA, 23CrNi3Mo, 80Cr, 95CrMo, 60Si2MnA

Specifications: B19, B22, B25, B28, B32, B38, B42

 ROSCHEN GROUP

ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.

ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.

ROSCHEN Manufactory PROCESS

ROSCHEN Sales Value Growing Up!

ROSCHEN'S MISSION

1. Strive to create and supply Best quality products for the industry that last longer than the average products.

2. Provide excellent service for our clients.  24 hour-7 days /week schedule to get our clients what they need – FAST.