small rock drill bits

... For Soft Hard 7° Tapered Button Speicifactions of 7 buttons : Diameter:35mm Number of buttons: 7 ...

40mm 8 Buttons Tungsten Carbide Taper Button JCDRILL Tapered Button Product Description JCDRILL tapered ...

... 7 Degree Tapered Tapered Button are widely applied in -hole , such as stone quarrying, mi...

... Tools , For Tunneling / Quarrying The are made from grade hard alloy and special steel, generally ma...

... Product Characteristic: 1. Button taper angle: 4°,4°46″,6°,7°,11°,12° 2. Length: 50/55/71/80 mm 3. Diameter: ...

... tools are tough enough to meet demands and have the least loss of energy while the . Besides, we can design cu...

... diameter 50~60mm. 30% speed up than hand hold machine CIR50 Series dth hammer and is a kind of hole tools.this ...

.... Our use quality hardened steel alloy for the body and premium quality tungsten carbide buttons. With superb performance and long life sp...

...? Tricone is an ideal solution for soft, medium, or hard formations, it is connected with the stem and rotates along w...

.../16" Concave 18*19mm 36*19mm+34*16mm 24*14mm 3 228 Face Shape Selection: 1. Drop Center ----For high penetration rates in soft to medium ha...

... with a wide selection of head diameters from 26mm to 48mm . With carbide buttons hot pressed on the skirts , tapered button s ha...

... R28 46mm Hammer Bis for ing Product Description: Scientific and standard thread tooth design is the basis of t...

... a roller . In roller- is cut by hard-alloy teeth projecting from rolling cutters, which rotate on the bearings. In...

... demands and have the least loss of energy while the . Besides, we can design customized thread button according to differ...

... to allow the to through the formation with a hard punch. 3. Adopt dynamic flow pattern simulation technology to optimize the hydraulic s...

... for Quarry Tungsten Carbide Q8-34-722-65 specification: diameter Ø34mm Length:65mm Carbide Button: 8pcs fr...

...Diamond 2) Diamond Core 3) PDC Diamond Product Description: 1. Diamond for sandstone 1) Alloy s...