supply of hex head bolt m16 x 200mm & hex head screw size m12 x 30 mmhex head bolt m16 x 200mm & hex head screw size m12 x 30 mm,hex head bolt m16 x 200mm.. thread length: 50mm. to is : 1364 & material to is : 1 367 property class : 10.9, for gear case of wap-7 loco. [ warranty period: 30 months after the da te of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , hex head screw size m12 x 30 mm 10.9 property class as per clw spec no.clw/ms/3/ 080 alt-6 or latest and item no. 40 of clw drg.no-1209-01.111-004 alt 4 or latest. [ warranty period: 72 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited