Description
The 304 Stainless Steel Flat Head Self-Tapping Wood Screw is a precision-engineered fastener designed for secure, flush installation into wood surfaces without the need for pre-tapping. Constructed from high-quality AISI 304 stainless steel, this screw combines excellent corrosion resistance, mechanical strength, and an attractive finish—ideal for both indoor and outdoor woodworking applications. Featuring a flat head design, this self-tapping wood screw sits flush with the surface for a smooth, professional appearance, while its deep, sharp thread ensures strong engagement and long-lasting hold. Whether used for decking, furniture assembly, cabinetry, or fencing, this screw delivers durability and precision in every application.
Features & Benefits
- High Strength and Stability: Made from tough 304 stainless steel with excellent tensile strength and hardness, providing reliable fastening under heavy loads or vibration. Delivers exceptional corrosion and oxidation resistance, ensuring long-lasting performance in humid or outdoor environments.
- Flush Finish: The Flat Head (Countersunk Head) design allows the screw to be fully recessed into the material, creating a smooth, clean, and professional surface finish.
- Deep, Sharp Thread Profile: Offers superior grip and holding power in a variety of wood types, reducing the risk of loosening or splitting.
- Simplified Installation: The self-tapping screw capability eliminates the need for pre-tapping, making installation quicker and more convenient in most wood screw applications.
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 still need to drill a pilot hole with these self-tapping screws?
A: In softwoods like pine or cedar, these screws can often be driven directly. However, for hardwoods (like Ipe or Oak) or when fastening near the end of a board, we recommend a pilot hole to ensure the timber does not split.
Q2: What is the benefit of the flat head over a pan head?
A: The flat head is designed for "flush" mounting. This is critical for safety on walking surfaces (like decks) to prevent tripping and for aesthetics in furniture where you want the screw head to be hidden or level with the surface.
Q3: Can these screws be used in pressure-treated lumber?
A: Yes. High-quality stainless steel wood screws are the best choice for pressure-treated wood, as the chemicals used in the treatment process can quickly corrode standard zinc-plated or galvanized screws.
Q4: Are custom specifications available?
A: Yes. Length, diameter, material grade, and packaging can be customized to meet specific project requirements.
