28mm drill bit

Small Tapered Cross 4 degree Hex12 for Mining Quarring Feature Of The Taper Cross : (1)Taper Angle: 4°,4°46″,6°,7°,11°,12° (2)Mo...

- 43mm Tungsten Carbide Button for Machines Specifications: ,32mm,42mm,43mm coal mining tool We can manufacture all k...

... For Small Hole Rock Description: Tapered tools include tapered and tapered rods. Tapered ...

.... The diameter of the PDC is 12.5mm, the height is 5.5mm, and there is the chamfer 1/4 circle. This chamfer is placed at the core of the ...

... left inside the is referred to as the core. Core used in metal are called annular cutters. Core used for concrete are gene...

... Tool 26mm 42mm PDC and Tungsten Carbide Tips Coal Mining Tips with Two Wings PDC anchor shank is made by with premium PD...

... to 41mm Taper Button Used In Drifting And Tunneling for pneumatic rock Application Tapered Quarry Button Rock 40mm 41mm 4...

...kinds of ceramic, porcelain, stone materials. Capable of clean hole. Dry without the need for coolant. Dry is better for...

... rock mahine , jack hammer Button degree: 7° 9° 11° 12° Button button NO. : 4,5,6,7,8 Body length of : 55mm...

... International Standard We specialized in manufacturing Rods, Casings, Core barrels, Diamond , Reaming shells, rigs, PDC b...

..., 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm, 45mm rock taper button 2. Type: Taper button 3. Taper button for rock ing 4. ...

... For Metal 6mm**6mm With 66mm Overal Length Product Description: HRC45 3D Solid Carbide Twist is a high-performance tool kn...

28×10×60×M14 Dry Diamond Core Drill Bits for Porcelain Ganite tile Glass Ceramics Marble Drill Bits With High Quality Specification : Diameter :5-40mm...

... Tools Tapered Button For Small Hole Product specifications: Diameter: -55mm Degree: 4°,6°,7°,11°and 12° Type:...

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

... ,Well Rod Mining ,water ,oil ,underground mining Diamond tool ...

... 5XD 3-3.7mm 6mm 66mm 3.8-4.7mm 36mm 6mm 74mm 4.8-6mm 44mm 6mm 82mm 6.1-8mm 53mm 8mm 91mm 8.1-10mm 61mm 10mm 103mm 10.1-12mm 71mm 12mm 11...

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

..., the effect of pressure also needs to be considered. pressure is the pressure applied to the through the dril...