100PCS M4.2 Stainless Steel Hex Self-Tapping Sheet Metal Screws
100PCS M4.2 Stainless Steel Hex Self-Tapping Sheet Metal Screws
100PCS M4.2 Self-Tapping Hex Screws – 410 Stainless Steel
Get the job done right with these 100-piece M4.2 self-tapping hex screws, engineered for fast, reliable metal-to-metal fastening. Crafted from 410 stainless steel, these high-strength drilling screws cut their own threads as they drive, eliminating the need for pre-drilling in most sheet metal applications. The external hex head provides superior torque transfer and a secure grip with a standard hex wrench or socket.
Whether you're working on HVAC panels, roofing, cladding, automotive bodywork, or general metalworking projects, these screws deliver consistent, long-lasting performance.
Key Features
- Material: 410 Stainless Steel – corrosion-resistant and built for demanding environments
- Drive Style: External Hex – maximum torque, no cam-out
- Head Style: Hex Head – broad bearing surface for secure fastening
- Screw Type: Self-Tapping Drilling Screws – no pre-drilling required
- Model: M4.2 | Dimensions: M3×16
- Quantity: 100 pieces per pack – ideal for professional and DIY use
- High-strength construction ensures a tight, vibration-resistant hold
Specifications
| Material | 410 Stainless Steel |
| Model Number | M4.2 |
| Dimensions | M3×16 |
| Drive Style | External Hex |
| Head Style | Hex |
| Screw Type | Drilling / Self-Tapping |
| Quantity | 100 Pieces |
| Country of Origin | Made in China (Mainland) |
Common Applications
- Sheet metal fabrication and assembly
- HVAC ductwork and panels
- Roofing and wall cladding
- Automotive body repairs
- Light structural metalwork and DIY projects
You May Also Like
Looking for more workshop essentials? Check out these related products:
- 1PC 10g High Grade Silicone Grease Lubricant for O-Rings
- 3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Tools
- 1PC Multi-Use Faucet Bubbler Wrenches – 6 Sizes Repair Spanner
Learn more: OSHA on eye and face protection
Frequently Asked Questions
Q: Are these M4.2 self-tapping screws suitable for outdoor use?
A: Yes. These screws are made from 410 stainless steel, which offers good corrosion resistance, making them well-suited for outdoor and exposed-environment applications such as roofing, cladding, and outdoor metal structures.
Q: Do these self-tapping screws require pre-drilling?
A: No pre-drilling is needed in most sheet metal applications. These are self-tapping drilling screws that cut their own threads as they are driven in, saving time and effort on metal-to-metal fastening tasks.
Q: What tool do I need to drive these hex screws?
A: These M4.2 hex head screws require a standard hex socket or hex-head bit driver. The external hex drive style provides excellent torque control and helps prevent slipping during installation.
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.