Description
TUF-FIX SDSHWZ Self Drilling Hex Washer Head Screws – Pro Series
Fast Self-Drilling Installation
The integrated drill point eliminates the need for pre-drilling in many metal applications, allowing faster installation and increased productivity.
High-Strength Carbon Steel Construction
Manufactured from premium C1022 carbon steel, these screws provide outstanding strength, durability, and dependable fastening performance.
Hex Washer Head for Secure Fastening
The hex washer head is designed for high torque application, ensuring a strong, stable connection while reducing the risk of slippage during installation.
Weatherproof EPDM Sealing
Equipped with a 16 mm grey EPDM bonded washer, the screw creates a durable, watertight seal that helps prevent water ingress and protects against leaks in outdoor applications.
Professional-Grade Performance
Part of the TUF-FIX Pro Series and proudly Made in Taiwan, these self-drilling screws are trusted by contractors and builders for roofing, metal cladding, steel structures, HVAC installations, and general construction fastening.
Technical Specifications
- Brand: TUF-FIX
- Model: SDSHWZ Self Drilling Hex Washer Head Screws
- Series: Pro Series
- Material: High-Quality C1022 Carbon Steel
- Head Type: Hex Washer Head
- Point Type: Self-Drilling Point
- Finish: Premium Zinc-Plated Coating
- Washer: 16 mm Grey EPDM Bonded Washer
- Applications: Roofing, Cladding, Sheet Metal & Steel Construction
- Origin: Made in Taiwan








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