how to drill rock

... Anchor T52/26 Self Bolts With Bit And Coupler Features Self anchor bolt is installation under the conditions of t...

... Anchors for Soil Nailing Bolts Features: Outer Diameter:38mm Inner Diameter:21mm Utimate Load:500KN Yield load:400KN Weight:4.8k...

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

... Bits 40mm 8 Buttons Tungsten Carbide Taper Button Bits JCDRILL Tapered Button Bit Product Description JCDRILL tapered bits ar...

... Atlas Copco Button Bit , T51 ing Bit Button bit is well known for its high wear resistance on medium-hard to hard abrasive roc...

... Bolt T30 30mm Anchor for Civil Construction 1. Application: Comparing to R thread bolt system, T thread bolt has a di...

..., swing angle location etc. by diesel engine( or electromotor) driving the hydraulic oil pump. It could match with DTH hammer and bit for the hard ...

... Bit API Bit Product Description: Advantage: High-efficiency, High Strength Application: Oil and Gas Connection: A...

... superior performance. 2. Suitable for various layers, including the backfill layer, medium weathered , and bed. 3. The bullet teeth consis...

... hole, it can also be up anchor hole, hole diameter is Φ 35 ~ 45 mm, and effective depth of 5 meters. It may also working for roo...

T38 64mm Drop Center Retrac Thread Drill Rock Button Bits Thread Drill Button Bits T38 64mm Drop Center Retrac Thread Drill Rock Button Bits Thread Dr...

... Tools Product Specification: Our shank adapters are available for: (1) Size: R28, R32, R38, T38, T45, T51, T60. (2) Packag...

...:150KN Weight:2.3kg/meter Anchor bolt Anchor bolt means a rod that transfers the structures or geotechnical load to a stable formations,it con...

... and hard condition. Techgong can design customized pick for different geological applications. Features of Foundation Pick: 1. High grade...

... Bit With PDC Cutter Description of PDC Drag Bits: PDC Concave Bit is a full-scale bit, mainly be used in construction ,minin...

...arrangement,double unlocking system; 3.Staggered arrangement of bits; 4.Applicable layers: gravel, pebble, highly or medium weathered...

...hard and hard (f=8-18). It's suitable for works in surface mine, quarry for boulder blasting and other dry working. FY200B oi...

Well Drilling Rock Drilling Tool Dth Drilling Hammer 3" 4" 5" 6" 8" Features With professional manufacturing experience in DTH hammer production, our ...