The self drilling screw is in the shape of a drill tail or a pointed tail, without auxiliary processing, it can be directly drilled, tapped and locked on the setting material and base material, which greatly saves construction time. Compared with ordinary screws, its toughness and holding force are high, and it will not loosen after a long time after combination. It is easy to use safety drilling and tapping once to complete the operation.
Uses: Mainly used for fixing color steel tiles of steel structures and also for fixing thin plates of simple buildings. It cannot be used for metal-to-metal bonding.
Material and model: There are two kinds of materials, iron and stainless steel, among which stainless steel is divided into various materials.
The models are: Φ4.2/ Φ4.8/ Φ5.5/ Φ6.3mm, the specific length can be negotiated upon request.
According to the different self drilling screw, it can be divided into: round head rice/cross/plum blossom, countersunk head (flat head)/yonzo/cross/plum blossom, hexagonal washer, round head washer (large flat head), trumpet head, etc.
The company focuses on the production and sales of fasteners,after years of development and innovation，products have been sold to US, Canda, Japan, South Korea, Singapore andother countries.
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+86 13313201366
rundufastener@163.com
No. 246, Shuichang Road West, Handan, Hebei, China
