Are you looking for a sems screws suppliers?

Are you looking for a combination screw supplier? If yes, you can contact Shenzhen Shi Shi Tong Metal Products Co., Ltd. We specialize in the production of non-standard screws, and of course the sems screws suppliers.

The sems screws suppliers can supply the round head three combination screw, also called the pan head three combination screw, which has the large pan head three combination screw and the small pan head three combination screw, also called the round head machine wire flat pad three combination screw. The material is divided into stainless steel and iron. The stainless steel round head three combination screws have stainless steel small pan head three combination screws and stainless steel large pan head three combination screws. The national standard can be expressed as GB9074.8 and GB9074.4. The size of the screw in the Phillips pan head combination screw.

The sems screws suppliers can provide carbon steel combination screw mechanical performance grades of 4.8 and 8.8, 4.8 combination screw is ordinary steel, the maximum hardness is 255HV. The 8.8 combination screw is generally used to wire 10B21 pier After hardening treatment, after hardening treatment, hydrogen is removed. Hydrogen removal is to prevent the hydrogen cushion in the combination screw from being hydrogen embrittled. Prevent the spring pad from breaking.

If you want to custom sems screws suppliers, please feel free to contact us at annie.li@szsst88.com

Skype: kalyn qin M: +86 18124507113 Tel: +86 0755-85296744 Email: annie.li@szsst88.com Add: No. 11, Dinghou Road, Dongfang Community, Songgang Street, Baoan District, Shenzhen, Guangdong, China