Std. Hex. Hd. Bolt M 24 with Std. Nut 70 Long and Spring Washer. Material should confirm to:- IS: 1363 Part- 1 for Hex. Hd. Bolt IS: 1363 Part- 3 for Std. Nut IS: 3063 for Spring Washer Drawing No. WD- 84014- S- 5, ALT- 7, ITEM NO. 49., 1Bolt length required is 70mm as per Drawing No. WD- 84014- S- 5, 2Material Grade of Bolt, Nut and spring washer:- i Bolt- Steel to IS: 1363 Part- 1 ii Nut- Steel to IS: 1363 Part- 3 iii Spring Washer- Steel to IS: 3063. 3 Coating required:- As per IS: 1363 Part- 1, For Bolt, IS: 1363 Part- 3, For Nut IS: 3063., For Spring Washer [ Warranty Period: 30 Months after the date of delivery