Hargrand Drilling Tool Co., Ltd

HARGRAND impregnated diamond bits have the widest range of application. They are the most commonly useful bits from medium to super hard formations

Hot Sale YT28Air leg pneumatic rock drill YT28Air leg pneumatic rock drillApplication: The Products are mainly used in construction sites, various ty

Leading supplier of Impregnated Diamond core bits: 1. Customised Service. 2. High quality. 3. Fast delivery. 4. Competitive price. 5. 20years experien

Unity machine parameter Drilling depth 600m Open hole caliber 300mm End hole caliber 75mm Drilling angle 90~65 Drill weight (No include power) 1750kg(

Product Name:HH Series DTH Hammer Products Features: HHSeries DTH hammers are widely used in ground project for diving all kinds of mid-hardness, hi

Products Description: Making tools for cutting , polishingand grinding Applying for ceramics, marble, optical glass, aviation and space, electronic pa

Specifications We are mfg. and exporter of bentonite for Drilling (1) Bentonite for Oil well Drilling (2) Bentonite for Pilling bentonite for Drillin

YST-48R mud-pulse MWD was designed to meet various needs of hole diameters, flow rates and other drilling requirements. The positive pulse system with

Specification Hot Sale DTH drilling rig 1.Hot sales drill rig 2. Good quality drill rig 3.easy to move 4.easy oprated Hot SaleDTH drilling rig for ha

Products Description: PCD/PDC diamond powder is adopted high-intensity and low impurity high quality diamond, concentrated particle size distribution,