ZGYX-425 Automatic All-in-one Open-top Hammer Drill Product Information Description This series of products is a drilling rig developed and manufactured by zhejiang zhigao machinery co., LTD. Its standard is ... Read MoreGet 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 MoreGet Best Price
Drill Bits HD35 Flat Face Bit , biger gauge button and high quality alloy steel Product Description QIDELI Thread Button Bit is made by the best quality alloysteel bar and tungsten caebide, through heat ... Read MoreGet Best Price
Rock drill bit for air-leg rock drill machie button number 5 pcs PRODUCT INTRODUCTION Tapered Button Bits is suitable for mining,quarring,tunneling and so on. It is widely used for gound quarring and undergroun... Read MoreGet Best Price
SD5SD6SD8SD12 series mining button hard rock drill button bits Down The Hole button bit is are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat ... Read MoreGet Best Price
Cold pressing buttons taper button bits for rock drill 7 buttons drill bit PRODUCT INTRODUCTION Tapered Button Bits is suitable for mining,quarring,tunneling and so on. It is widely used for gound quarring and ... Read MoreGet Best Price
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 MoreGet Best Price
CIR50 dth bits diameter 50~60mm. 30% speed up than hand hold rock drill machine CIR Hammer is a new product combining the advantages of DHD Hammer and QCZ Hammer. The wind pressure of working is between 0.5-0... Read MoreGet 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 MoreGet Best Price