Tianjin machinery and electric equipment imp.&exp.co.,ltd

STEP DRILLS

STEP DRILLSMaterial: HSS/Micro Grain CarbideDrilling Range: 4.0-12.0mm,4.0-20.0mm,4.0-30.0mm,6.0-38.0mm,6.0-26.75mm,4.0-39.0mm,6.0-32.0mm,5.0-28.0mm,6.0-37.0mm

cutting tools,drills

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