Standards Conformity to Indian Standard IS 7177 :1974 or Equivalent with Latest Amdmnt. Performance Parameters Application Centre punches is used for making distinct impression on steel , brass , aluminium and wood Deep knurling on the body which ensures firm grip Yes Center punch shall be with black phosphate finish Yes Hardness of working end od centre punch in HV 550 Hardness of striking face in HV 390 Punches shall show no signs of chipping , mushrooming or the body being bent or point becoming fractured or blunted Yes Centre Punches shall be given anti rust treatment Yes Centre punches shall be marked with nominal size , trademark Yes Material and Dimensional Parameters Length of centre punch in mm 150 Diameter of Tip of Centre punch in mm 4 Diameter of centre punch body 12 Weight of centre punch in grams 90 Material of Centre punch Alloy steel Reports Availability of test report from central govt/ NABL/ILAC accredited lab covering all parameters No Test report number , incase report not available put NA NA Test report date , incase report not available put NA NA Name of test lab , incase report not available put NA NA Address of test lab , incase report not available put NA NA Copies of all certifications and reports to be provided to buyer on demand at time of supplies No