R28 Hex And Round Shape Threaded Drill Rod For Rock Drill , Tungsten Carbide Material
Thread drill rod other names extension rod, Extension drill steel, Extension drill rod, and Extension steel, M/F rod ( Speedrod ) , Produce Hexagonal and round cross sections, Hexagon rods are more rigid, heavier and transfer energy more efficiently, while increasing flushing. Round rods are generally lighter than hexagonal rods and are normally used in extension drilling applications. With the longer steel tending to be larger in diameter, conventional extension steel is characterized by a duplicate thread on each end of the steel.
Drill rod using thread system. Drilling precision can be further improved by using this as the first rod in a normal drill string. Furthermore, since this is a speed rod design it will produce straighter holes and at least 10% higher penetration rate in good rock conditions compared to rod and coupling sleeve combination system.Widely used in drifting, tunneling, benching, and long hole drilling
We can offer many kinds of drill bits, including chisel type bits, cross type bits, tapered drill rods and integral drill rods, mainly used for mining, coal cutting, tunneling, rock cutting in quarrying.
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance
Type: Hex. Drifter Rod, Extension Rod, Speed Rod, MF-Rod
Color: Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
1. High precision in size and shape
2. Good low temperature toughness
3. Excellent comprehensive mechanical properties
4. High connection strength and sealability
5. Large inside diameter of tool joint
6. High torque resistance
7. High fatigue strength and long fatigue life
R28 Thread drill rod
In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.
We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.
Beijing Jincheng Mining Technology Co.,Ltd.
ADD:Rm 1005,Building 4,Tianchangyuan,Beiyuan road,Chaoyang District,Beijing,China
WhasApp/Mob:0086 13811934576
TEL:0086 10 84673566
FAX: 0086 10 51617069
E-mail:drillingrig@qq.com
Web:www.rockdrillingrig.com
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