We apecialized in self drilling anchor tools for many years.Anchor bar steel materials: 40Cr (equal to Germany DIN41Cr4)carbide anchor drill bits Hardness: 87 HRACertificate: CE, ISO9001, D&B 3A report, SGS test report.
Size: R25.R32,R38,R51,T76, T30,T40,T52,T73drill bits type: EXX,EX,ESS,ES,EYY,EY,EC,EW.
contact: jolin huaTel:+86-851-86821628, 86821268, 86800738, EXT: 8003; Fax: +86-851-86830552;drills(at)sinodrills.comskype: jolinhuafj
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