40 mm drill bit

Groundwater Tools Mission DTH For Hard Rock Formation Our Products: With professional manufacturing experience in DTH hammer pr...

... and skillful design, as well as high quality materials result in good performance, long service life, simplicity and endurance. Thus, our ...

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

... (No. x ) Gauge Buttons (No. x ) Angle Front Flushing Holes Side Flushing Holes Weight (kg) 4148300705 B964-T38-S, T38 Button , Spherical Bu...

...the model of rig and the rock performance. Generally, chisel are mainly used for hard rock, cross and button are mainly used for ...

... Water Well Machine Parts BR2 Down The Hole water well machine parts down the hole 1'' 2'' Middle Air Pressu...

... for coal mine opening hole,water well We specialized in manufacturing Rods, Casings, Core barrels, Diamond , Reaming ...

... mining taper rock ing s 34 button 1 Product description of Rock Material - 45CrNiMoVA we use to produce our tung...

... holes Weight (kg) shanks Outer Front 178 8*Φ16 11*Φ16 35 2 27 DHD360 2. Pre-sale service: Act as a good ......

... 2:Core 4. Type 3:Twist set for metal 5. colour:Black + gold 6. Material:HSS 6542(M2) Material of High Speed Steel Processing o...

...serving for mining, construction and tunneling etc. Diameter () Tip Size (W * H ) () Taper Angle * Inner Diameter Front Gauge 32 8*6....

... 1200 16 1550 1500 1200 16 2050 1800 1000 20 2700 2000 800 20 3260 ) for augers, buckets,...

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....5 41 6.6 79 6.90 21.0 47 10.0 89 8.70 25.5 55 12.0 102 10. 30.0 60 14.0 107 12.25 34.5 65 16.0 115 14.25 38.5 73 18.0 ......

... Electric Haer for Stone/Concrete Size 6-38 Tips "-"tips Shank Type SDS Plus Shank Material 40Cr Hardness HRC65 U...

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

... Vacuum Brazed With Amazing Long Service Life for marble,granite 2. This diamond core areSuitable for fast and clean o...