Timco Heavy-Duty Self-Drilling Hex Screws, Silver Organic, 5.5 x 38mm (100 Pack
Heavy-duty 5.5x38mm self-drilling screws with silver organic coating for metal construction. Salt-spray resistant. 100pc pack.
The Timco Heavy-Duty Self-Drilling Hex Screws are specifically designed for robust metal-to-metal applications, eliminating the need for pre-drilling. These high-performance screws feature a specially hardened carbon steel construction for exceptional durability and strength.
Key Features
- Exterior-grade coating provides 500-hour salt-spray resistance, making these screws ideal for outdoor applications exposed to harsh weather conditions.
- Self-drilling point (No.5) allows for easy installation into heavy-section steel up to 12mm thickness without pilot holes.
- Hex head design offers superior torque transmission during installation.
- Integrated washer (12mm diameter) creates a secure, flush fit for professional results.
Technical Specifications
- Thread Diameter: 5.5mm
- Overall Length: 38mm
- Effective Thread Length: 19mm
- Socket Size: 8mm
- Maximum Drilling Thickness: 12.0mm
Perfect for construction, metal fabrication, and outdoor applications where superior corrosion resistance and structural integrity are required.
- Metal-to-steel construction
- Heavy-section steel applications (up to 12mm)
- Outdoor/exterior applications
- Structural metalwork
- Thread Diameter: 5.5mm
- Length: 38mm
- Head Type: Hex
- Fixed Washer Diameter: 12.00mm
- Point Type: Self-Drilling No.5
- Socket Size: 8mm
- Finish: Silver Organic (Exterior)
- Material: Case & Core Hardened Carbon Steel
- Effective Thread Length: 19mm
- Max Drilling Thickness: 12.0mm
- Weight: 678g
Always follow local regulations and product guidance. Use appropriate PPE.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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