Wholesale Fasteners Manufacturer

Drywall Screws: Complete Technical Specifications

Drywall screws are essential fasteners for interior construction, specifically designed for attaching gypsum board to wood or metal studs. At TradeGo Fasteners, we manufacture two primary thread types: coarse thread (W-type) for wood studs and fine thread (S-type) for metal studs. Our drywall screws feature bugle head design that prevents damage to the gypsum paper surface while providing excellent holding power. Read our complete drywall screws guide for more detailed technical specifications.

For optimal performance, select screw length that penetrates at least 19mm (3/4") into the stud. Common applications include residential interior walls, commercial office partitions, and ceiling installations. Our black phosphate finish provides superior holding power in wood studs, while zinc plating offers corrosion resistance for metal stud applications. Contact our team for custom thread patterns and specialized coatings for humid environments.

Self-Drilling Screws (TEK Screws): Metal-to-Metal Solutions

Self-drilling screws, commonly known as TEK screws, eliminate the need for pre-drilling in metal-to-metal applications. The integrated drill point (TEK point) creates the pilot hole and threads in a single operation, significantly reducing installation time and labor costs. TradeGo manufactures self-drilling screws with drill points rated for different metal thicknesses, from TEK 2 (up to 0.8mm steel) to TEK 5 (up to 12.5mm steel). Learn more about EPDM washers for roofing applications.

For roofing applications, we recommend self-drilling screws with EPDM washers for superior waterproofing. The washer compresses against the metal surface to create a watertight seal. Available in hex washer head (most common for power tool driving) and pan head (for applications requiring flush or low-profile finish). All our self-drilling screws comply with DIN 7504 and are tested for drill point hardness (HRC 50-55) to ensure consistent drilling performance. Request custom drill point specifications for your specific material thickness.

Industrial Bolts & Nuts: Grade Selection & Applications

Hex bolts and nuts form the backbone of structural and mechanical connections across industries. Understanding strength grades is essential for selecting the right fastener. TradeGo manufactures and stocks bolts from Grade 4.8 (general purpose) through Grade 12.9 (high-strength structural applications). Each grade indicates the bolt's tensile strength and yield point ratio, critical for safety-critical applications. Read our guide on high-tensile structural bolts for applications requiring superior strength.

All TradeGo bolts are manufactured to international standards: DIN 933 (full thread hex bolts), DIN 931 (partial thread hex bolts), ISO 4014/4017 (metric hex bolts), and ANSI/ASME B18.2.1 (imperial hex bolts). Matching nuts are available in DIN 934 (standard hex nuts) and DIN 6915 (structural nuts for high-strength applications). We offer hot-dip galvanized finish for outdoor and marine environments, with zinc thickness of 45-85 microns per ISO 1461. Request mill certificates and test reports with your order.

IBR Nails: Roofing Fasteners for Corrugated Steel

IBR (Inverted Box Rib) nails are specialized roofing fasteners designed for securing corrugated steel roofing sheets to wooden or steel purlins. The distinctive umbrella head (also called dome head or button head) provides large bearing surface that prevents the nail from pulling through the roofing sheet. TradeGo's IBR nails are SABS 1195 compliant, meeting South African Bureau of Standards requirements essential for the African construction market. See our detailed IBR roofing installation guide for best practices.

For maximum pull-out resistance, we recommend ring shank IBR nails. The annular rings create a mechanical lock with the wood fibers, providing up to 40% greater withdrawal resistance compared to smooth shank nails. Hot-dip galvanized finish ensures corrosion protection for 20+ years in most environments. For coastal or industrial areas with high salt/chemical exposure, consider sherardized finish (zinc flake coating) for enhanced corrosion resistance. Get a quote for your roofing project with quantity discounts for bulk orders.

Material Selection Guide: Choosing the Right Steel

Selecting the appropriate material for your fasteners is critical for performance and longevity. TradeGo offers fasteners in multiple steel grades, each suited to specific environmental conditions and load requirements. Carbon steel fasteners offer excellent strength-to-cost ratio for indoor applications. For outdoor use, zinc plating or hot-dip galvanizing provides necessary corrosion protection. Stainless steel fasteners (304 and 316 grades) are recommended for food processing, chemical plants, and marine applications where corrosion resistance is paramount. Learn more about fastener corrosion resistance.