supply of lock bolt 15.88mm dia. with collar & 3/4 dia. lock bolt & collar.lock bolt 15.88mm dia. with collar & 3/4 dia. lock bolt & collar.,3/4 dia. lock bolt & collar for freight stock as per rdso drg. no.wd-11036-s-01, grip range = (25.4 -31.75) [ warranty period: 30 months aft er the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , lock bolt 15.88mm dia. with collar for freight stock conforming to rdso specification no. is/rdsowd/0001: june-2022, grip range = 25.4 to 3 1.75mm. one set consisting of 1 no. lock bolt & 1 no. collar as per drawing no. rdso drg. wd-11036-s-01, and wd-11036-s-02 alt. nil. base metal- steel. as tm b633 and astm b695 and astm b117; lock bolt should have a hardness in a range of 28-34 hrc and collar have a hardness in a range of 60-80 hrc. [ w arranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] sr.section engineer wagon body gujarat 2000.00 set => limited