100PCS M4.2 Self-Tapping Screws 410 Stainless Steel Truss Head
100PCS M4.2 Self-Tapping Screws 410 Stainless Steel Truss Head
100-Pack M4.2 (#8) Self-Tapping Screws — 410 Stainless Steel Truss Head
Get the job done faster with these heavy-duty M4.2 (#8) self-tapping sheet metal screws. Engineered from 410 stainless steel, each screw drills, taps, and locks in a single pass — no pre-drilling required. Whether you're fastening lath to metal framing, securing steel panels, or tackling woodworking and DIY projects, these screws deliver a firm, long-lasting hold every time.
Key Features
- Material: 410 stainless steel — high hardness, corrosion-resistant, and rust-resistant for long-term durability
- Truss / Round Flat Head: Wide bearing surface distributes load evenly and sits flush for a clean finish
- Cross (Pozidriv) Drive: Standard cross slot design prevents cam-out and ensures a firm, slip-free bite
- Self-Tapping Design: Sharp mechanical blade tip drills and taps in one motion — saving time and effort
- Full Thread Coverage: Deep, uniform pitch threads create a strong, reliable connection in wood, iron, and steel plate
- Available Sizes: 13 mm, 16 mm, 19 mm, 25 mm, 32 mm
- Quantity: 100 pcs per pack
- Certification: CE certified
Specifications
| Model | M4.2 (#8) |
| Material | 410 Stainless Steel |
| Head Style | Truss / Round Flat Head |
| Drive Style | Cross Slot (Pozidriv) |
| Thread | Full Thread |
| Available Lengths | 13 mm · 16 mm · 19 mm · 25 mm · 32 mm |
| Package Qty | 100 pcs |
| Certification | CE |
| Country of Origin | Made in China |
What's in the Box
- 100 × M4.2 Self-Tapping Truss Head Screws
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Frequently Asked Questions
Q: What materials can these M4.2 self-tapping screws fasten?
A: These M4.2 stainless steel self-tapping screws are designed to connect wood, iron, and steel plate. Their sharp self-drilling tip penetrates and taps the material in one pass, making them ideal for attaching lath to metal framing, light steel structures, and general DIY woodworking projects.
Q: Do I need to pre-drill a hole before using these screws?
A: No pre-drilling is required. The precision-machined tip on each screw is engineered to drill, tap, and lock in a single step, saving time and effort on your project.
Q: Why is 410 stainless steel a good choice for sheet metal screws?
A: 410 stainless steel offers an excellent balance of hardness and corrosion resistance. It maintains its strength in both indoor and outdoor environments, resisting rust and surface degradation while providing the high torque needed for self-tapping applications.
Q: What sizes are available for these truss head self-tapping screws?
A: These M4.2 (#8) screws are available in five lengths: 13 mm, 16 mm, 19 mm, 25 mm, and 32 mm — giving you the flexibility to choose the right size for your specific application.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.