Dongguan Guanbiao Hardware Products Co., LTD
| Payment Terms | T/T |
| Supply Ability | 5000000 |
| Delivery Time | 15-20 work days |
| Packaging Details | Plastic bag + carton + pallet |
| Thread Length | Customizable |
| Material | Stainless Steel |
| Drive Style | Torx( Customizable ) |
| Thread Direction | Right Hand |
| Finsh | galvanized |
| Finish | Plain, Black Oxide, Zinc Plated, Passivated |
| Features | Anti-theft, anti-tampering, corrosion resistant |
| Standard | ISO, GB, BS, DIN, ANSI,JIS, Non-standard |
| Length | Customizable |
| Customization | Custom sizes, head styles, drive styles available |
| Size | Various sizes available |
| Thread Type | Machine, Self-Tapping, Wood |
| Brand Name | guanbiao |
| Model Number | M6x20 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000000 |
| Delivery Time | 15-20 work days | Packaging Details | Plastic bag + carton + pallet |
| Thread Length | Customizable | Material | Stainless Steel |
| Drive Style | Torx( Customizable ) | Thread Direction | Right Hand |
| Finsh | galvanized | Finish | Plain, Black Oxide, Zinc Plated, Passivated |
| Features | Anti-theft, anti-tampering, corrosion resistant | Standard | ISO, GB, BS, DIN, ANSI,JIS, Non-standard |
| Length | Customizable | Customization | Custom sizes, head styles, drive styles available |
| Size | Various sizes available | Thread Type | Machine, Self-Tapping, Wood |
| Brand Name | guanbiao | Model Number | M6x20 |
| Certification | ISO9001 | Place of Origin | China |
| High Light | A4-70 Torx Coach Screws ，Marine Grade Torx Coach Screws ，Salt Resistant Torx Coach Screws | ||
Marine-grade A4 (316) stainless steel Torx coach screws. Superior corrosion resistance for docks, boats & coastal structures. Torx drive ensures secure installation. Passivated finish.
Designed for demanding industrial applications, these Heavy-Duty Torx Carriage Bolts feature reinforced Torx Plus® drive (5-point star) for exceptional torque transmission and anti-tamper performance. The enlarged square neck provides superior grip in wood and metal, while the deep-driven recess resists stripping. Perfect for high-vibration environments and critical security installations.
TECHNICAL SPECIFICATIONS | |
| Material | MaterialA4 / 316 Stainless Steel(1.4401 / 1.4436) |
| Drive Type | Torx (T-Series - e.g., T20, T25, T27, T30) |
| Sizes | Common: M6, M8, M10 (approx. 1/4", 5/16", 3/8"). Others: M12 |
| Lengths | Standard Range: 50mm, 60mm, 70mm, 80mm, 100mm, 120mm |
| Strength Grades | Typically A2-70, A4-70 (Metric - 700 MPa Min Tensile Strength). A2-80, A4-80 also available for higher strength |
| Thread | Partial Thread, Coarse Wood Thread |
| Point Type | Sharp Point or Self-Drilling Point (Tek Point - specify option) |
Primary Uses & Applications:
- Bridges, conveyor systems & structural steel frameworks
- Railway components and heavy transport equipment
- Theft-deterrent fixtures (e.g., utility boxes, street furniture)
- Marine and offshore installations
Surface Treatment/Finishes:
* **Passivation (Standard):** Essential chemical process removing free iron particles and enhancing the natural chromium oxide layer for maximum corrosion resistance.
* **Electropolishing:** Optional premium finish. Removes surface micro-imperfections, further enhances corrosion resistance, improves cleanability (ideal for marine/food contact areas), and provides a smooth, bright appearance.
* **Plain Mill Finish (2B):** Standard rolled finish after passivation. Functional and corrosion-resistant.
How to Use:
1. **Pre-drill:** Crucial for stainless steel in wood to prevent galling/seizing and ensure smooth driving. Drill a pilot hole slightly smaller than the screw's shank diameter. **Use sharp drill bits!** For self-drilling points (Tek), pre-drilling may be reduced/eliminated in softer woods or thin metal overlays.
2. **Lubricate:** Apply a **stainless steel specific anti-seize compound** (e.g., nickel-based) to the threads to drastically reduce friction and prevent galling (thread cold-welding).
3. **Align & Drive:** Insert screw, ensuring square neck engages properly. Use the **correct Torx bit** (e.g., T25 for M8). Drive at **moderate speed** with consistent pressure. Avoid excessive RPMs which cause heat and increase galling risk. Ensure the driver bit is fully seated and in good condition.
Company Details
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
1000000-3000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Dongguan Guanbiao Hardware Products Co., Ltd., established in 2013, is a screw hardware processing factory integrating R & D, production and sales, focusing on electronic and electrical appliances, computer radiator, communication equipment, lighting, motor, motor, medical equipment, sports equi... Dongguan Guanbiao Hardware Products Co., Ltd., established in 2013, is a screw hardware processing factory integrating R & D, production and sales, focusing on electronic and electrical appliances, computer radiator, communication equipment, lighting, motor, motor, medical equipment, sports equi...
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