Stone Drilling, Coal Mining,Quarry drilling, Construction
Black or Request
Drilling and Construction
20000 Piece/Pieces per Week
Packaging & Delivery
Ply-wooden cases + pallet
Shipped in 15 days after payment
Integral drill rod, also called integral drill steels, are used on hand held rock drills in granite and marble quarries, underground mining, for small blasting hole. Shank H22*108mm, H19*108mm, and standard hex. Bit diameters range 20-56mm, different lengths are available from 400mm to 8000mm. It can reduces the expense of impact energy, improves the drilling speed, also it can be used for drilling bore hole diameter form 19mm to 56mm. Each rods us premium quality alloy steel and excellent quality tungsten carbide to assure high drilling performance.