diameter 89mm T38 button bit for granite hard rock drilling semi-ballistic Product Description Retrac button bits dvantages: 1.superior alloy steel and tungsten carbide. 2.Hot-pressed buttons insertion ... Read More
small hole 90mm 95mm air hammer rock drilling dth bits Concave Face The all-around application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good ... Read More
Drill Pipe OD 114mm Length 6m With Thread 2 3/8 API Reg Pin & 2 3/8 API Reg Box For Atlas Copco ROC860 Drill Drill Pipe Description In DTH drilling, the rock drilling bit is a continuation of the shank, which ... Read More
Down The Hole Drill Pipe 6000mm - 89mm Specifications: Lenght: 6000mm Diameter: 89 mm = 3 1/2 inches Thread: 2 3/8 API Reg Weight: 84kg International standards Description: DHT Drill Pipes play a significant ... Read More
F thread DTH Drilling Tools 50mm 60mm OD High Steel DTH Drill Pipes for Rock In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston ... Read More
Drill Pipe OD 114mm Length 6m With Thread 2 3/8 API Reg Pin & 2 3/8 API Reg Box For Atlas Copco ROC860 Drill Drill Pipe Description In DTH drilling, the rock drilling bit is a continuation of the shank, which ... Read More
Drill Pipe OD 114mm Length 6m With Thread 2 3/8 API Reg Pin & 2 3/8 API Reg Box For Atlas Copco ROC860 Drill Drill Pipe Description In DTH drilling, the rock drilling bit is a continuation of the shank, which ... Read More