Retractable Rock Drill T38 Thread Button Bits Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks. Besides, we can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.

Mining Rock Drilling Tapered Button Bit Product: taper button bit Taper Degree: 4°46′, 6°, 7°, 11° and 12° Hole Range: 30mm-45mm Number of Buttons: 6 tips, 7 tips, 8 tips, 9 tips or customized Button Shape: normally is ballistic button, also available for spherical button Fitting Rod: (socket inside diameter) 19mm, 22mm or 25mm Inside Socket Design: normal socket, zinc coating or copper liner Skirt Length: (without tip) 50mm, 55mm, 60mm, 71mm, 80mm or customized Suitable Machine: hydraulic rock drill, pneumatic jack hammer, gasoline rock drill Suitable Block: granite and marble

dia. 34mm length 1600mm Sandvik Carbide Design integral drill rods

Sales Standard T38 Threaded drill bit for Drilling

Top Hammer Drilling Tools 7 11 12 degree quality taper steel 22mm x 108mm drilling rods for sale Tapered drill rod (taper steel rod, taper drill steel), which provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered bit end. For drilling medium-hard to hard and abrasive rock formations, 11 and 12 taper degree rod are widely used on heavy-duty modern hydraulic drill rigs. While, 6 and 7 taper degree rod are applied for light-duty rock drill, such as the hand held pneumatic rock drill Y18, Y20, Y24, Y26, YT24 and YT28.

COP44 SD4 QL40 M40 DTH hammers