air rock drill bits

8 inch water well drilling bits for dhd 380 hammers for water well drilling rigs Now the high pressure DTH drill bit is currently used in the face design. There are four main types: end surface convex surface, ... Read More Get Best Price

5" High air pressure button bits HD45A-127mm using on small well drilling or mining. DHD340-130 series of drill bits are reliable in structure and widely used. It is one of the most commonly used high pressure ... Read More Get Best Price

CIR65 series down the hole button bits,working pressure 0.5~0.8Mpa Characteristics of low air pressure series dth drill bit:The dth drill bit is a kind of bit which is used with the submersible percussion ... Read More Get Best Price

Drill bits for HD65 series dth hammer diameter range 152/165/178/190/203mm The 6 "series are divided into DHD360, COP64, QL60, MISSION60, HM6, SD6 and other series. The standard drill hole diameter is 152~178mm... Read More Get Best Price

QL40QL50QL60QL80 series hammer bits for air compressor drilling rig (1) Made from premium quality nickel-alloy steel 25SiMnCrNi2MoVA for increased durability and wear characteristics, and KD10 tungsten carbide ... Read More Get Best Price

Product Description Made with high quality of raw material through special heat treatment ,especially, tungsten carbide of tapered button bits are from Boart long year,widely applied in Hand Hold ( short-hole) ... Read More Get Best Price

90mm(3 1/2") dth drill bits for QL30 hammer bits with foot vlave. Down the hole(DTH) tools manufacturer KINGDRILLING supply DTH Drill Bits with QL shank type are available in a wide range of sizes and with a ... Read More Get Best Price

HD25,Br2,series dwon the hole bits using mid air pressure fo blashing hole drilling Product Description QIDELI Thread Button Bit is made by the best quality alloysteel bar and tungsten caebide, through heat ... Read More Get Best Price

7 Tapper Degree 32mm 8 Buttons Tungsten Carbide High Quality Taper Rock Drill Bit PRODUCT INTRODUCTION Tapered Button Bits is suitable for mining,quarring,tunneling and so on. It is widely used for gound ... Read More Get Best Price

Water well drill bits without foot vlave type HD85A-203mm , Pneumatic drill bit DTH(Down the Hole) hammer is used for drilling holes through a wide range of rock types, the variety of which continues to extend ... Read More Get Best Price