bids are invited for screw grub socket head screw grub socket head gr. 12. 9 m12x12 spec: dimensions, tolerances & general requirements : as per is :6094-2006, part 4, cup point table-1 material: screws shall be made of steel conforming to property class 45h, as specified in table- 2 of is:1367, part 5 mechanical properties: material gemarpts searched shall conform to properties given against class 45h, as specified in table-3 of is:1367, part 5.the strings used in gemarpts grub screws shall be hardened to a minimum of 45 hrc & 53 hrc as maximum. threads : pitch- coarse to is:4218, part 2.tolerance quality - medium.tolerance class 5g 6g.surface discontinuity: as per is:1367, part 9.finish :plated as specified in bhel order.- tgew71200053 gemarpts searched category not available on gem for the text string uploaded by the buyer result generated in gemarpts relevant hexagonal socket head cap screw categories selected for notification total quantity : 1756