large drill bits online manufacture

Sinocoredrill Core Drill Bits HW Diamond Casing Shoes , High Penetration Rate HW Casing Shoe /Casing Bit Casing and rod shoes are designed to drill in casings or rods, BW, NW, HW, PW etc. casing shoes are ... Read More

Casing Concrete Core Drill Bits , BW NW HW Diamond Casing Shoes Bits Discription: The casing shoe bits (rod shoes bits) are designed to drill in casings or rods in difficult over burden material to position the ... Read More

Sintered Flat PDC Core Drill Bits Polycrystalline Compact Diamond Bit Ideal for drilling in soft to medium sedimentary formations which are homogeneous and competent. The PCD cutters are available in several ... Read More

Carbide Button Bits: is widely used in geological exploration drilling -- good quality, fair price; -- in gradeYG11C, YG8C , YG6 and YG8; -- high toughness and wear resistance; -- sample available; -- prompt ... Read More

HQWL 96MM 63.5MM Wireline Diamond Core Bits Series Hardness 1~14 ,Crown Height 14mm HQ Diamond Core Bits for conventional double tube,Diamond core bits are widely used in the drilling for geological exploration... Read More

BQ NQ HQ PQ Double Tube Diamond Core Bits For Varieties Of Drilling Tasks Production Description: Sinocoredrill offers standard BQ NQ HQ PQ BWL NWL HWL PWL impregnated diamond bit for use with BQ NQ HQ PQ core ... Read More

Forged Standrad Diamond Core Bit Ideal For Construction Works With High Efficiency Product Description: Our impregnated diamond core bits are crafted using incredibly tiny, high-grade synthetic diamonds that ... Read More

Rotary-drilling with reverse circulation CBM universal Drilling Rig TDR -50 The TDR -50 universal drilling rig enables each user to drill with the following methods, with borehole diameters of 3.5 to 47and ... Read More

High Penetration Open Hole Casing Shoe NW Tungsten Carbide TC Casing Shoe Bit Casing Shoes are diamond tools used to avoid material to collapse into the hole. Normally casing shoers are screwed on casing rods, ... Read More

High Penetration Open Hole Casing Shoe NW Tungsten Carbide TC Casing Shoe Bit Casing Shoes are diamond tools used to avoid material to collapse into the hole. Normally casing shoers are screwed on casing rods, ... Read More