Truss Head Screws
Truss Head Screws – Product Introduction
Truss Head Screws are versatile high-performance fasteners characterized by their low-profile, wide, and slightly rounded truss head design, specially engineered for applications requiring maximum bearing surface and minimal protrusion. Combining the advantages of a wide clamping area, anti-slip installation, and strong holding power, these screws are ideal for securing thin materials, sheet metal, wood, plastic, and decorative components without damaging the surface. Crafted with high-quality materials and precision manufacturing processes, they are widely used in hardware assembly, electronic equipment, building decoration, furniture making, and automotive accessories, and are highly recognized by global importers, retailers, and industrial users for their reliability, versatility, and aesthetic appeal.
Core Advantages
- Wide Truss Head Design, Superior Bearing Capacity: The truss head features a wide, low-profile structure with a larger bearing surface compared to pan head or flat head screws, which distributes clamping force evenly across the material surface. This design effectively prevents thin materials from bending, cracking, or being pulled through, ensuring a secure and stable connection.
- Low-Profile Appearance, No Interference: With a lower profile than pan head screws and a non-recessed design (no need for countersinking), truss head screws minimize protrusion while maintaining a neat, clean appearance. They avoid interference with moving parts, decorative surfaces, or subsequent installation steps, making them ideal for visible or precision applications.
- Deep Drive Slot, Anti-Slip & Effortless Installation: Equipped with a standard PH2 Phillips slot or Pozidriv slot, the deep and smooth groove design ensures a tight fit with screwdrivers, preventing slipping during high-torque installation. Compatible with most electric screwdrivers, cordless drills, and manual screwdrivers on the global market, greatly improving installation efficiency and reducing labor costs.
- High Strength & Corrosion Resistance: Made of high-quality C1022A medium carbon steel or 304/316 stainless steel, through quenching and tempering heat treatment, the surface hardness reaches HRC45-52, and the tensile strength is up to 650MPa. Available in multiple professional surface treatments, they effectively resist rust, corrosion, and wear, ensuring long service life in indoor, outdoor, and moderately humid environments.
- Versatile Compatibility, Wide Application: Designed for use with various materials, including thin sheet metal, wood, plywood, particleboard, plastic, and composite materials. Perfect for hardware assembly, electronic equipment shell fixing, decorative panel installation, furniture making, and automotive interior accessories, meeting diverse industrial and DIY needs.
Product Classification & Application Scenarios
Screw Type | Thread & Drive Feature | Surface Treatment | Application Scenarios |
Truss Head Wood Screws | Single coarse thread, PH2 Phillips slot, sharp self-tapping point | Phosphating (Grey), Blue-White Zinc, Electro-Galvanizing | Furniture assembly, decorative woodwork, plywood fixing, DIY home decoration |
Truss Head Sheet Metal Screws | Double fine threads, Pozidriv slot, high-hardness drill point | Epoxy Coating, Color Zinc, Dacromet | Thin sheet metal fixing, electronic equipment shell assembly, automotive interior accessories |
Stainless Steel Truss Head Screws | Fine/coarse thread optional, Hex Socket drive | Natural 304/316 Stainless Steel, Passivation | Outdoor decoration, marine equipment, bathroom/kitchen fixing, corrosion-prone environments |
Key Specifications & Parameters
Parameter | Standard Value | Optional Value | International Standard |
Material | C1022A Medium Carbon Steel | 304/316 Stainless Steel | ANSI B18.6.4, DIN 7985, GB/T 3098.11 |
Surface Treatment | Phosphating (Grey), Blue-White Zinc | Electro-Galvanizing, Hot-Dip Galvanizing, Epoxy Coating, Dacromet | Salt spray test ≥48h (zinc plating), ≥120h (stainless steel), ≥200h (Dacromet) |
Drive Type | PH2 Phillips Slot | Pozidriv Slot, Hex Socket, Torx Slot | Anti-slip, high torque resistance, compatible with global standard tools |
Head Type | Low-Profile Truss Head | Standard Truss Head, Truss Head with Washer | Wide bearing surface, even force distribution, low protrusion |
Diameter | #4(2.9mm), #6(3.5mm), #8(4.2mm) | #5(3.1mm), #10(4.8mm), #12(5.5mm) | Mainstream export specifications for versatile applications |
Length | 10mm, 16mm, 20mm, 25mm, 30mm, 38mm | 6mm-80mm | Customizable according to material thickness and application needs |
Tensile Strength | ≥650MPa | ≥850MPa (High-Strength Type) | Meets industrial and decorative fastening requirements |
Bearing Surface Diameter | 6.5mm-10mm (depending on diameter) | Customizable according to order requirements | Ensures even force distribution, protects thin materials |
Comparison: Truss Head Screws vs Pan Head Screws
Comparison Item | Truss Head Screws | Pan Head Screws |
Head Design | Wide, low-profile truss shape, larger bearing surface | Rounded pan shape, smaller bearing surface, higher profile |
Bearing Capacity | Excellent, even force distribution, ideal for thin materials | Good, concentrated force, not suitable for ultra-thin materials |
Protrusion Height | Low, minimal interference, suitable for visible applications | Higher, may interfere with moving parts or decoration |
Material Protection | Excellent, no damage to thin materials or decorative surfaces | Good, may leave indentations on soft or thin materials |
Applicable Scenarios | Thin materials, decorative applications, electronic equipment, furniture | Heavy-duty fixing, framing, general construction, non-visible applications |
Application Scope
- Hardware assembly: Fixing of hinges, handles, brackets, and other hardware accessories on furniture, cabinets, and doors.
- Electronic & electrical industry: Assembly of electronic equipment shells, switch panels, cable brackets, and small appliances.
- Building decoration: Installation of decorative panels, skirting lines, ceiling panels, and light decorative components.
- Furniture making: Assembly of wooden furniture, cabinets, bookcases, wardrobes, and decorative woodwork.
- Automotive industry: Installation of automotive interior accessories, plastic parts, and decorative trim.
- DIY & home improvement: Home decoration, small-scale renovation, thin material fixing, and craft projects.
- Industrial maintenance: Fixing of light-duty equipment accessories, instrument panels, and thin sheet metal components.
Why Choose Our Truss Head Screws?
- Premium Design & Craftsmanship: The wide truss head and precision thread are specially optimized for thin materials and decorative applications, ensuring even force distribution, no material damage, and a neat appearance.
- Strict Quality Control: From raw material selection to finished product delivery, we implement full-process quality monitoring, ensuring consistent size, uniform hardness, smooth threads, and no defective products.
- Customization Service: We provide OEM/ODM services, supporting customization of diameter, length, surface treatment, drive type, and packaging to meet the personalized needs of global importers, retailers, and industrial users.
- Export-Oriented Standards: Complies with international standards, passes tensile test, salt spray test, and hardness test, with stable quality and competitive factory price, popular in Europe, America, Southeast Asia, and the Middle East.
- Complete Supporting Services: Provide product test reports, quality certificates, and customs clearance documents, and provide timely after-sales support for any quality or use problems.
Slogan
Wide Bearing, Low Profile, Reliable Fastening — High-Quality Truss Head Screws for Global Markets.
