M4.2 Stainless Steel Self-Tapping Screws Flat Head 50/200PCS
M4.2 Stainless Steel Self-Tapping Screws Flat Head 50/200PCS
M4.2 Stainless Steel Self-Tapping Screws – Flat Head Cross Drive
Get the job done right with these heavy-duty M4.2 Stainless Steel Self-Tapping Screws. Engineered for high-strength fastening, these flat-head, Pozidriv-drive screws bite quickly into metal, wood, and plastic surfaces — no pre-drilling required. Available in convenient packs of 50 or 200, they're ideal for woodworking projects, DIY builds, metal fabrication, and general-purpose fixing tasks around the home or workshop.
Key Features
- Material: Premium 304 Stainless Steel — corrosion-resistant and long-lasting
- Size: M4.2 — versatile sizing suitable for a wide range of applications
- Head Style: Flat (countersunk) for a flush, clean finish
- Drive Style: Pozidriv (cross/Phillips-compatible) — reduces cam-out for better torque
- Self-Drilling Design: Sharp thread profile drills and taps simultaneously, saving time and effort
- High Strength: Hardened threads provide exceptional holding power in metal, wood, and composite materials
- Pack Options: Choose from 50-piece or 200-piece sets to match your project size
- Made in Mainland China
Specifications
| Model | M4.2 |
| Material | Stainless Steel |
| Head Style | Flat (Countersunk) |
| Drive Style | Pozidriv (Cross) |
| Screw Type | Self-Tapping / Self-Drilling |
| Item Shape | Round |
| DIY Application | Woodworking, Metal Fixing, General Construction |
| Pack Size | 50 pcs / 200 pcs |
Applications
- Woodworking and cabinetry
- Sheet metal assembly and fabrication
- Furniture construction and repair
- Electrical enclosures and fixtures
- General DIY home improvement projects
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Frequently Asked Questions
Q: Are these M4.2 self-tapping screws suitable for use in metal sheets?
A: Yes! The M4.2 stainless steel self-tapping screws are designed with a sharp, hardened thread that can drill and tap into thin metal sheets, making them ideal for metal fabrication, electrical enclosures, and general metalwork without the need for pre-drilling.
Q: What is the difference between Pozidriv and standard Phillips drive?
A: Pozidriv is an evolution of the Phillips drive design, featuring additional contact points that significantly reduce cam-out (slipping) under high torque. These M4.2 cross-head screws are Pozidriv-compatible and can also be driven with a standard Phillips screwdriver in most cases.
Q: Will these screws rust when used outdoors or in damp environments?
A: These screws are made from stainless steel, which offers excellent resistance to oxidation and corrosion, making them well-suited for both indoor and outdoor environments, including humid or wet conditions.
Q: What size driver bit do I need for M4.2 flat-head self-tapping screws?
A: A PZ2 (Pozidriv #2) or PH2 (Phillips #2) bit is recommended for M4.2 flat-head screws for optimal fit and driving performance.
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.