supply of nut holding tool .nut holding tool .,nut holding tool of size 36mm in en47 steel having six flanks and machine operated with h ardening & tempering finished in phosphate material suitable for working of grade m24 bolting in electric locomotive with complete length of 46mm & clearance depth of 19mm. the impact device should be in a ccordance to din standards of 3121 and with female square driving position of 1/2 inches without borehol e and without groove. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited