Self Tapping Screw with Washer

A drilling screw with a washer is a type of self-tapping screw with a washer, which is typically made of metal or plastic and serves to reinforce, seal, and waterproof.

Applications of Self-Tapping Drilling Screw with Washer

• Used for connecting metal and wood
A drilling screw with a washer has a self-tapping function and can directly penetrate through metal and wood without the need for pre-drilling.
• Used for fixing buildings and roofs
A drilling screw with a washer is often used for fixing buildings and roofs, especially metal buildings and roofs. The washer can increase the sealing and waterproofing properties of the drilling screw with the washer and reduce friction and wear between metal plates.