H22 800mm Small Hole Drilling Tools Integral Drill Rod

H22 800mm Small Hole Drilling Tools Integral Drill rod

Integral drill rod, another name called Integral Drill Steels, integral rods are used by Hand Held Rock Drill in granite and marble quarries, underground mining, for small blasting hole. Shank H22*108mm, H19*108mm, and standard hex. Bit diameters range 20-42mm, different lengths are available from 400mm to 6000mm usually. It can reduces the expense of impact energy, improves the drilling speed and efficience, also it can be used for drilling bore hole diameter form 19mm to 41mm usually. Each rods us premium quality alloy steel and excellent quality tungsten carbide to assure high drilling performance.

 

(1)Steel grade: 95CrMo equivalent to SANDBAR 20 or C253, 55SiMnMo

(2)Shank size: hex19mm hex.22mm, including Plug Hole Rod

(3)Head Diameter: 24mm-44mm

(4)Length: 0.4m-10m

(5)Package: in wooden case or in bundles.