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M4.2 Self-Tapping Tek Screws 410 Stainless Steel Truss Head
M4.2 Self-Tapping Tek Screws 410 Stainless Steel Truss Head
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AOGUTU M4.2 Self-Tapping Sheet Metal Screws — 410 Stainless Steel Truss Head Tek Screws
Get a rock-solid, rust-resistant connection every time with these AOGUTU M4.2 Self-Tapping Tek Screws. Engineered from premium 410 stainless steel, these high-strength drilling screws are purpose-built for lath-to-metal, sheet metal, and light-gauge steel fastening applications. No pre-drilling needed — the sharp Tek tip bites through metal quickly and cleanly, saving you time on every job.
Why Choose These Tek Screws?
- 410 Stainless Steel Construction: Exceptional strength, corrosion resistance, and long-lasting durability — ideal for both indoor and outdoor use.
- Truss Head Design: Wide, low-profile head distributes load evenly and provides a neat, secure finish on thin materials.
- Pozidriv Drive Style: Reduces cam-out and delivers superior torque transfer compared to standard Phillips drive.
- Quick Self-Tapping Action: The precision-cut thread and hardened Tek tip tap their own thread as they drive, eliminating the need for a pilot hole.
- Bulk Pack (50–99 Pcs): Plenty of fasteners for professional contractors and dedicated DIYers alike.
- No High-Concern Chemicals: Safe for use across a wide range of project environments.
Product Specifications
| Brand | AOGUTU |
| Material | 410 Stainless Steel |
| Head Style | Truss Head (Flat) |
| Drive Style | Pozidriv |
| Screw Type | Self-Tapping / Drilling (Tek) |
| Size | M4.2 (M3×20) |
| Package Quantity | 50–99 Pieces |
| Country of Origin | Made in Mainland China |
Ideal Applications
- Lath-to-metal fastening
- Sheet metal fabrication and assembly
- Steel framing and light-gauge metal construction
- HVAC ducting and metal roofing
- General woodworking and DIY projects
Safe Fastening Practices
Always wear appropriate personal protective equipment (PPE) when working with power tools and fasteners. For workplace safety guidelines, visit OSHA's Tools & Equipment Safety Resource.
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Learn more: Self-tapping screw
Frequently Asked Questions
Q: What materials can these M4.2 self-tapping Tek screws be used on?
A: These 410 stainless steel Tek screws are designed primarily for lath-to-metal and sheet metal applications, including light-gauge steel framing, HVAC ducting, metal roofing panels, and similar thin-metal substrates. They can also be used in general woodworking and DIY projects where a strong, self-tapping fastener is needed.
Q: Do I need to pre-drill a hole before using these self-tapping screws?
A: No. The hardened Tek tip on these self-tapping drilling screws is engineered to penetrate metal without a pilot hole, making installation faster and easier. Simply align the screw and drive it directly into the material with a Pozidriv bit.
Q: Are these screws suitable for outdoor use?
A: Yes. Made from 410 stainless steel, these Tek screws offer strong corrosion and rust resistance, making them well-suited for both indoor and outdoor applications, including environments with moderate moisture exposure.
Q: How many screws come in a pack?
A: Each pack contains between 50 and 99 pieces, giving you a generous supply for professional jobs and larger DIY projects.
