supply of hex. head bolthex. head bolt,hex. head bolt 1/2-13 tpi(unc) x 2 long, thread length 1 1/4 to dlw part no. 15032176 (tvs ,pfl,lps,pooja makes only) tpe-13-0044 (sl.no.40) alt.no. n material specification: bs: 1768-gr.s threads : rolled unc-2a as per bs 1580 or ansi/asme b 1.1 cap screw should be lubrited, phosphated or in black the rmal finish. head of the cap screw should be cold forged. all other parameters confirming to bs:1768 or ansi /asme b.18.2.1. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: m ax 8 lacs ] ] => limited