Applicable for fast drilling of concrete, refractory bricks,asphalt and various stones. High efficiency and high quality.                     Huazuan drill bit for concrete,refractory bricks, asphalt Description:Used for wet...

masonry diamond core drill bit 1.high efficiency&long lifespan 2.Good Concentricity 3.best after-sale service 4.ISO MPA SGS masonry diamond core drill bitCore drill bits are designed to satisfying each customer's specific request. Ensure faster drilling and longer life....

diamond core drill bit 1.For stones core drilling 2.High drill accuracy 3.Fast drilling speed 4.without chipping breakage  diamond core drill bit1.Mainly used for construction,such as drilling holes in stone and concrete wall .2.Size could be customized .Mainly used...

diamond drill bit 1.For stones 2.Diameter 16-300mm,Length 60-400mm 3.Fast and high precision drilling 4.long lifespan diamond drill bit Function: Drill holes in stone as well as in brick wall drilling and...

hot sale diamond core drills for sale 1.good performance 2.standard drill hole 3.long lifespan 4.reasonable price Diamond core drills for marble/granite/brick wall/concrete etc Description:1.diamond core drill for concrete2.diamond core drill for...

Diamond core drill bit 1.Fast drilling 2.No Breakage of Segments 3.many designs and sizes 4.Sharp & long lifespan Diamond core drill bitFor dry and wet coring in reinforced concrete with very hard aggregate. Also good for granite, marble, tile, glazed brick and other...