hex bolt with nut, size: m 16x 40 mm, material specification : all hex bolts are to be manufactured from high alloy steel confirming to is: 1364, (part- i & part- ii) iso: 4014/4017, thread iso metric 6 g as per is: 4218, iso: 261, mechanical property class: 10.9, as per is: 1367, iso:898 pt-i, hex nut confirming to is: 1364 (part-3), iso:4032 thread iso metric 6 h as per is:4218, iso: 261. mechanical property class: 8/10 as per is:1367, iso:898 pt. ii. make- unbrako, dfl, tvs, or equivalent.
