retractable drill bit

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... / Cemented Carbide Button Retrac Button Description: MTH thread button are made by high quality alloy ste...

T45 Retractable Drill Bit with Parabolic Buttons or Spherical Buttons for Mining Tunneling Drilling Application Retractable rock drill button bit is w...

... industry, which are suitable for any type of application including, rock , water well, quarries, open pit and undergroun...

... steel bar and tungsten carbides. Through heat treatment, our tools are tough enough to meet rock demands and have the least loss...

... Thread Rock T38 rock button most popular size:64mm,70mm,76mm,89mm Characteristics 1. Reaming co...

... "ROSCHEN" brand rock tools, including threaded button , tapered button , cross , chisel , down the hole DTH , DTH hammer...

... Our tapered button size from 32mm-42mm, tapered 7, 11 and 12 degree, with 4, 5, 6 and 7 buttons. Our thread button size fr...

Internal thread GT60 Top Hammer Cemented carbide steel Raw material Top Hammer are made by high quality alloy steel bar ...

... Spherical And Ballistic Threaded Button Threaded Button is well known for its high wear resistance on medium-hard to hard abr...

it is suitable for powerful percussive and top hammers with high speed drifter, and it’s widely used in bench and production drilli...

..., ST58, ST68 etc). 2. We can offer you all face design, flat face, drop-center face, normal body and retrac body.

... Tools System For Construction Casing pipe OD: 273mm MRS overburden systems are designed for economic cost of in simulta...

... , High Effective Rock Hammer s T38 Product Name: rock button Description: rock button Button mad...

... not only have a superior penetration rate compared to their competitors, but also a substantially longer service life. Button Skirt: Straight ...

... performance, widely used in tunneling, underground mining, open pit mining, anchoring and other large-scale construction projects. Main Features 1...

... Water Well Specifications Item Size (mm) Item Name Size (mm) Non-coring 42 Coring 65 Non-coring ...