Description
Stainless Steel Self Tapping Wood Screws are precision-engineered fasteners designed to deliver strong, reliable, and clean wood connections without the need for pre-drilling. Manufactured from high-quality AISI 304 stainless steel, these screws offer excellent corrosion resistance, mechanical strength, and long-term durability, making them suitable for both indoor and outdoor wood applications.
Featuring a cross recessed countersunk head, the screw sits flush with the wood surface after installation, ensuring a smooth, professional finish. The extended shank and self-tapping thread design allow for deeper penetration and enhanced pull-out resistance, making these fasteners ideal for decking, furniture manufacturing, cabinetry, and structural wood assemblies. These screws combine ease of installation, aesthetic appeal, and dependable performance in one versatile fastening solution.
Features & Benefits
- Self-Tapping Thread for Wood: The self-tapping design allows for direct insertion into wood without pre-drilling, saving time while ensuring a strong grip and tight connection.
- Extended Length Design: Provides deeper and more secure fastening, especially useful in thicker wooden materials or where greater pull-out strength is required.
- High Strength and Stability: Made with precision-machined threads that distribute load evenly, minimizing splitting and maximizing holding power.
- Smooth Finish and Easy Installation: The polished stainless surface and precise thread profile ensure smooth driving with reduced resistance and minimal slippage.
Specification
|
Thread diameter -d |
M21 |
M1.2 |
M1.4 |
M1.6 |
M1.7 |
M2 |
M2.2 |
M2.6 |
M3 |
M3.5 |
M4 |
M5 |
M6 |
M8 |
|
Head diameter -dk |
1.75 |
1.82 |
2.5 |
2.99 |
3.27 |
3.7 |
3.98 |
4.2 |
5.3 |
6.5 |
7.2 |
8.7 |
11.8 |
14.1 |
|
Head thickness -k |
0.65 |
0.7 |
0.8 |
0.98 |
1.13 |
1.21 |
1.3 |
1.6 |
2 |
2.5 |
2.6 |
3 |
4.75 |
5.2 |
|
Countersunk Angle |
90° |
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FAQ:
Q1: Do I need to pre-drill a pilot hole for these wood screws?
A: While these are Self Tapping Screws, we recommend pre-drilling a small pilot hole when working with very hard woods (like Ipe or Oak) or when fastening near the end of a board to ensure there is zero risk of splitting.
Q2: Is 304 stainless steel suitable for all outdoor wood projects?
A: 304 grade is excellent for most outdoor and humid environments. However, for projects directly exposed to saltwater spray or heavy chemical pools, we recommend upgrading to our 316-grade stainless steel screws.
Q3: What is the benefit of the countersunk head?
A: The countersunk head is designed to create a "flush" finish. This is critical for safety on decking (preventing trips) and for aesthetics in furniture, as the screw can be hidden with wood filler or left visible for a clean, flat look.
Q4: Can these screws be used for hardwood?
A: Yes, they can be used for hardwood. For very dense wood, a pilot hole may be recommended to ensure smooth installation and prevent splitting.
Q5: Can these screws be used in metal?
A: These particular fasteners are optimized with deep threads specifically for wood fibers. For metal-to-metal applications, please refer to our Self-Drilling Screw category.
