Xiamen Bestlink Factory Co., Ltd.  

Product Name: Rock Drilling Tools Tungsten Carbide Types of Cross Bits Model NO.: 11 degree Usage: Small Hole Drilling Material: Tungsten Carbide Type: Center Drill Bit Length: Taper-length Standard: ISO9001 Customized: Customized Application: Quarry, Mining and Civil Construction Condition: New Loading Port: Xiamen MOQ: 50 PCS Degree Type: 4.46, 6, 7, 11 Trademark: BESTlink Transport Package: Carton Packing Specification: ISO Origin: Xiamen, China HS Code: 82071990 Product Description Rock Drilling Tools Tungsten Carbide Types of Cross BitsOur drill bit is made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.The taper drill bit is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.Products name: Cross drill bits(1)Drill Bits taper angle: 4°,4°46″,6°,7°,11°,12°(2)Models: chisel bit/cross bit/button bit(3)Diam:20-45 mm(4)Button bit shape: spherical/parabolic(5)Socket inside diameter:15/19/22/25(mm)(6)Material and process: high quality alloy steel bar and tungsten carbides, through heat treatmentUsedunder any rock drilling conditionand mainlyused for hard or very hard rock formationbecause of it's comprehensive adaptability. Compared with taper chisel bits, taper cross bits have a better drilling performance because carbide tips on cross bits doubled.Technical data:DescriptionDiameterLengthWeightTaper degree a=6 °,7°,11°,12°Socket inside d=19,22,25mmmmmmkg2871 800.192971 800.23050 67 71 800.33250 67 71 800.33371 800.323467 71 800.343567 71 800.353671 800.363867 71 800.424071 800.4341710.454269 800.4644800.4745800.5