supply of csk head screwcsk head screw,csk head screw m12 x 35 mm with hexagonal nut to specification is:1365-2022 and is:1363-2023 (part 3) [ warranty period: 30 months after the date of delivery ] , csk head bolt m16 x 47 mm with hexagonal nut, spring washer and split pin to drawing no. goc/w/sk-4- 11933,alt.nil, item nos. 1 to 4, qty - 1 no each per set. [ warranty period: 30 months after the date of delivery ] , bolt,hexagonal head m16 x 80 mm long (fully threaded) with standard nut to is specification 1363 - 2023 (part 1) property class 4.6 for bolt and is 1363 - 2023 (part 3) property class 5 for nut. [ warranty period: 30 months after the date of delivery ] => limited