grade 8.8 socket head cap screws

Shenzhen Shi Shi Tong Metal Products Co., Ltd. can order grade 8.8 socket head cap screws, or even 12.9 grade socket head cap screws. High strength, complete hydrogen removal, hard quality, not easy to break.

Screw strength grade 4.8, 6.8, 8.8, 10.9, 12.9 and so on. 8.8 and above are high strength screws, such high strength grade 8.8 socket head cap screws must be dehydrogen treatment, otherwise prone to brittle fracture. In accidents like this kind of high strength screw, when the head is broken, many people’s first reaction is that the screw is not strong enough, causing it to break, but in fact it is the opposite, because its strength is too high, and the hydrogen removal is incomplete, which causes the screw to break.

Grade 8.8 socket head cap screws, also known as 8.8 Cup head screws, although the name is different, but said the same kind of screw. Socket head cap screws are generally 4.8, 8.8, 10.9, 12.9 grade, the use of different, customer said that the strength level is not the same.

If you want to find grade 8.8 socket head cap screwsplease contact us: annie.li@szsst88.com whatsapp: +86 18124507113