金刚石钻头和金刚石取芯钻头金刚石钻头和金刚石取芯钻头是石油钻井工程中的必用工具，包括：PDC钻头、聚晶金刚石钻头、巴拉斯钻头和天然金刚石钻头。DiamondBitandDiamondCoreBitDiamondbitanddiamondcorebitarenecessarytoolsinthedrillingengineering.IncludingPDCbit,Polycrystallinediamondbit,Barusdiamondandnaturaldiamondbit.SpecificationofDiamondBit钻头尺寸BitSize(in)直径公差DiameterSolerance(mm)接头螺纹Connection57/80-0.1331/2″IF631/2″IF81/20-0.5141/2″IF95/80-0.7641/2″IF121/465/8″REGSpecificationofDiamondCoreBit钻头尺寸BitSize(in)钻头外径O.D.ofBit(mm)配用工具MatingTool57/8121川6—3川5—46133川6—3川5—481/2172180川6—3川7—4川8—4250P95/8172180川8—3川7—4川8—4250P121/4172180川8—3川7—4川8—4250P)