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304 SS Furniture Screws Hex Drive Countersunk Self-Tapping Outdoor & Moisture Resistant
Product Details:
| Place of Origin: | China |
| Brand Name: | guanbiao |
| Certification: | ISO9001 |
| Model Number: | M5*20 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 50000 |
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| Price: | Negotiable |
| Packaging Details: | Plastic bag + carton + pallet |
| Delivery Time: | 15-20 work days |
| Payment Terms: | T/T |
| Supply Ability: | 5000000 |
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Detail Information |
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| Materia: | Stainless Steel A2-70 | Tooth Length: | Customizable |
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| Process: | Cold Forging | Durability: | Long-lasting |
| Usage: | Wood, Metal, Plastic | Thread Length: | According To The Drawing |
| Core Hardness: | HV320-450 | Production Process: | Cold Heading, Cold Forging |
| Grade: | 4.8 / 6.8 / 8.8 / 10.9 | Thread Count: | Standard, Customizable |
Product Description
304 SS Furniture Screws Hex Drive Countersunk Self-Tapping Outdoor & Moisture Resistant
Premium A2-70 stainless steel hex socket furniture screws. No rust, ideal for outdoor, bathroom & kitchen furniture. Self-tapping tip, flush countersunk head. Passivated finish. M5-M8 sizes. Durable connections.
Build furniture to last, even in damp or outdoor environments, with our premium **A2 Stainless Steel Hex Socket Countersunk Self-Tapping Furniture Connecting Screws**. Crafted from corrosion-resistant A2-70 (304) stainless steel, these screws resist rust, tarnishing, and moisture damage, making them perfect for outdoor furniture, kitchens, bathrooms, marine interiors, and high-humidity areas. Featuring the same efficient **self-tapping point** and **flush-mounting countersunk head** as our standard screws, they combine ease of assembly with exceptional durability and a sleek appearance. The **hex socket drive** ensures reliable installation without stripping.
TECHNICAL SPECIFICATIONS |
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| Material | Carbon Steel (Grade 4.8 or 8.8 equivalent) |
| Drive Type | Hex Socket (Internal Hex / Allen Key) - Common sizes: H4, H5, H6 (M5, M6, M8). |
| Head Style | Countersunk Head (82° / 90° included angle) |
| Point Type | Sharp Self-Tapping Point (Optimized for hardwoods & composites) |
| Surface Finish | Passivated (Standard), Electroplated Nickel optional. |
| Features | Partial thread for clamping, high tensile strength (700 MPa min) |
| Thread Type | Coarse thread pitch for wood composites |
Primary Uses & Applications:
* High-end indoor furniture (kitchens, bathrooms, luxury cabinets).
* Outdoor & garden furniture (tables, chairs, benches, pergolas).
* Marine cabinetry & boat interior furniture.
* Bathroom vanities & fixtures.
* Furniture for humid climates or spas/saunas.
* Connecting hardware to exotic hardwoods or dense composites.
* Applications requiring a non-corroding, aesthetically clean fastener.
Surface Treatment/Finishes:
* **Passivation (Standard):** Essential chemical process that removes free iron particles and enhances the natural chromium oxide layer, maximizing corrosion resistance. Leaves a clean, slightly matte stainless finish.
* **Electroplated Nickel (Optional):** Provides a bright, silvery finish for enhanced aesthetics and *slightly* improved corrosion resistance. Can reduce galling tendency.
How to Use:
1. **Prevent Galling (Crucial):** Apply a small amount of **stainless steel specific anti-seize lubricant** or **wax** to the screw threads before installation. This drastically reduces the risk of galling (cold welding/seizing), especially in hardwoods or dense composites.
2. **Align Parts:** Position panels precisely.
3. **Insert & Drive:** Place screw tip on the surface. Insert the **correct size hex key**. Drive the screw at a **90° angle** using **steady, moderate speed and force**. The self-tapping point will cut threads.
4. **Tighten Flush:** Drive until the countersunk head is **fully seated flush** with the material surface. **Avoid excessive RPMs** which generate heat and increase galling risk.
5. **Pilot Holes:** Highly recommended for **hardwoods, near edges/ends, or thick/dense materials**. Drill a pilot hole slightly smaller than the screw's core diameter (approx. 60-70% of shank diameter). This prevents splitting and makes driving easier, reducing galling risk.
6. **Tool Quality:** Use high-quality, sharp hex keys or bits that fit snugly to avoid damaging the socket.