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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 — Built for the Toughest Jobs
When you need a fastener that bites fast and holds strong, the AOGUTU M4.2 Self-Tapping Tek Screws deliver every time. Crafted from 410 Stainless Steel with a precision truss head and Pozidriv drive, these drilling screws are engineered for lath-to-metal and light sheet-metal applications where reliability is non-negotiable.
Why Choose These Tek Screws?
- 410 Stainless Steel Construction — High-strength alloy provides excellent corrosion resistance and durability for indoor and outdoor use.
- Truss Head Design — Wide, low-profile head distributes load evenly, reducing the risk of material pull-through.
- Quick Tapping / Self-Drilling — Sharp Tek point bores through metal without a pre-drilled pilot hole, saving time and effort on every project.
- Pozidriv Drive Style — Reduces cam-out for a more secure bit engagement compared to standard Phillips drive.
- Versatile Application — Ideal for lath-to-metal, metal stud framing, HVAC ductwork, roofing, siding, and general sheet-metal assembly.
- Value Pack — Comes in a convenient pack of 50–99 pcs so you're always stocked for the job at hand.
Product Specifications
| Brand | AOGUTU |
| Material | 410 Stainless Steel |
| Head Style | Truss Head (Flat Top) |
| Drive Style | Pozidriv |
| Screw Type | Self-Tapping / Drilling (Tek) |
| Size | M4.2 (M3 × 20 mm) |
| Package Quantity | 50–99 Pcs |
| High-Concern Chemicals | None |
| Country of Origin | Made in Mainland China |
Where to Use These Screws
These Tek screws are perfect for:
- Light-gauge metal stud framing & drywall applications
- HVAC ductwork and sheet-metal assembly
- Roofing and cladding panels
- Woodworking projects requiring metal attachment points
- General construction and DIY metal-to-metal or lath-to-metal fastening
Safe Fastening Practices
Always wear appropriate personal protective equipment (PPE) when working with power tools and fasteners. For workplace safety guidelines, refer to the OSHA Hand & Power Tools Safety Guide.
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Frequently Asked Questions
Q: What materials can AOGUTU M4.2 Tek screws fasten together?
A: These self-tapping sheet metal screws are designed primarily for lath-to-metal and light-gauge sheet metal applications. They can also be used in HVAC ductwork, metal stud framing, roofing panels, and general woodworking projects that involve metal attachment points. The sharp Tek tip self-drills through thin metal without the need for a pre-drilled pilot hole.
Q: Are 410 stainless steel screws rust-resistant enough for outdoor use?
A: Yes — 410 stainless steel offers good corrosion resistance, making these screws suitable for both indoor and moderate outdoor environments. For highly corrosive or marine environments, consider 304 or 316 stainless steel as an alternative.
Q: What driver bit do I need for the Pozidriv drive style?
A: You'll need a Pozidriv (PZ) bit, typically PZ1 or PZ2 depending on screw size. While a standard Phillips bit can physically engage, using the correct Pozidriv bit is strongly recommended to prevent cam-out and protect both the screw head and your driver bit.
Q: How many screws are included in each pack?
A: Each pack contains between 50 and 99 screws, giving you a generous supply for most small-to-medium construction, DIY, or repair projects.
