tender for procurement of bolt and nuts for coal mills and feeders - 26 items , i.high strength friction grip bolts, nuts, lock nuts with washers grade 12.9 as per is:1367.(1 to 8 items) allen bolt m10x30 mm full thread bolt & spring washer, gr.12.9, is 1367. , allen bolt m12x30 mm full thread bolt & spring washer, gr.12.9, is 1367 , allen bolt m12x45 mm full thread bolt & spring washer, gr.12.9, is 1367 , allen bolt m16x80 mm full thread bolt & spring washer, gr.12.9, is 1367 , allen bolt m20x40 mm full thread bolt & spring washer, gr.12.9, is 1367 , allen bolt m20x80 mm full thread bolt & spring washer, gr.12.9, is 1367 , allen bolt m24x180 mm full thread bolt & spring washer, gr.12.9, is 1367 , allen bolt m24x50 mm full thread bolt & spring washer, gr.12.9, is 1367 , ii.hexagonal head, hsfg bolts, nuts, lock nuts with washers grade 10.9(9 to 26 items) m10x 30 mm full thread bolt, nut & plain washer, pitch : 2 mm, gr.10.9,is 1364 , m10x 50 mm full thread bolt, nut & plain washer, pitch : 2 mm, gr.10.9,is 1364 , m16x 35 mm full thread bolt, nut & lock washer, pitch : 2 mm, gr.10.9,is 1364 , m16x 40 mm full thread bolt, nut & lock washer, pitch : 2 mm, gr.10.9,is 1364 , m16x55 mm full thread bolt with plain washer, pitch 2 mm, gr.10.9, is 1367 , m16x60 mm full thread bolt, nut with plain washer, pitch 2 mm, gr.10.9, is 1367. , m16x70 mm full thread bolt, nut with one plain & spring washer, gr.10.9,is 1367. , m16x260 mm full thread bolt, nut with one plain & spring washer, gr.10.9,is 1364 , m20x55 mm full thread bolt with spring washer, pitch 2.5 mm, gr.10.9, is 1364. , m20x65 mm full thread bolt with spring washer, pitch 2.5 mm, gr.10.9, is 1364. , m20x80 mm full thread bolt, nut with spring washer, gr.10.9, is 1364. , m20x280 mm full thread bolt, nut with spring washer, gr.10.9, is 1364 , m24x60 mm full thread bolt with spring washer, pitch 3 mm, gr. 10.9, is 1364 , m24x80 mm full thread bolt, nut with plain washer, gr.10.9, is 1367 , m36x45mm full thread bolt with