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 |
| Material | Stainless Steel |
| Thread Length | Customizable |
| Production Process | Cold heading, cold forging |
| Thread Direction | Right Hand |
| Button Head Size | standard |
| Thread Size | Various sizes available |
| Hexagonal Opposite Length | Customizable |
| Hardness Grade | A2-70 |
| Head Height | Various sizes available |
| Head Shape | Cylindrical head |
| Standard | Non-standard |
| Tolerant | +/- 0.05mm |
| Brand Name | guanbiao |
| Model Number | M3 |
| 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 |
| Material | Stainless Steel | Thread Length | Customizable |
| Production Process | Cold heading, cold forging | Thread Direction | Right Hand |
| Button Head Size | standard | Thread Size | Various sizes available |
| Hexagonal Opposite Length | Customizable | Hardness Grade | A2-70 |
| Head Height | Various sizes available | Head Shape | Cylindrical head |
| Standard | Non-standard | Tolerant | +/- 0.05mm |
| Brand Name | guanbiao | Model Number | M3 |
| Certification | ISO9001 | Place of Origin | China |
| High Light | A4 Stainless Steel Hex Bolts ，Chemical Resistance Hex Bolts ，A2 Stainless Steel Hex Bolts | ||
Durable stainless steel hex head bolts for corrosive environments. A2 (304) & A4 (316) grades available. Perfect for marine, food processing, architectural & outdoor applications.
Combat rust and corrosion effectively with our premium Stainless Steel Hex Head Bolts. Offering excellent durability and aesthetic appeal, these bolts are essential for applications exposed to moisture, chemicals, salt spray, or demanding environmental conditions. Featuring the reliable external hex drive for easy installation with common wrenches or sockets, they combine functionality with long-lasting performance, making them ideal for marine, architectural, food processing, and outdoor installations.
TECHNICAL SPECIFICATIONS | |
| Material | Austenitic Stainless Steel |
| Drive Type | Hex Head (External Wrenching) |
| Sizes | M3, M4, M5, M6, M8, M10, M12, M14, M16, M20+ (Metric); #6, #8, 1/4", 5/16", 3/8", 1/2", 5/8"+ (Inch). |
| Lengths | Comprehensive range of standard and custom lengths |
| Strength Grades | Typically A2-70, A4-70 (Metric - 700 MPa Min Tensile Strength). A2-80, A4-80 also available for higher strength |
| Thread Types | Full Thread or Partial Thread. Metric Coarse standard, Metric Fine available. |
| Material Grades | A2 (304), A4 (316) Stainless Steel |
Primary Uses & Applications:
Stainless steel hex bolts are indispensable where corrosion resistance is paramount:
* Marine hardware (boats, docks, fittings).
* Architectural cladding, railings, and facades.
* Food and beverage processing equipment (hygienic environments).
* Chemical processing plants and laboratories.
* Outdoor structures (fences, signage, playgrounds).
* Swimming pools and water treatment facilities.
* Coastal construction and infrastructure.
* HVAC systems and appliances.
Surface Treatment/Finishes:
Stainless steel bolts often rely on their inherent corrosion resistance, but finishes can enhance appearance or performance:
* **Passivation (Standard):** Chemical treatment to remove free iron and enhance the natural chromium oxide layer, maximizing corrosion resistance. Essential process.
* **Bright Polish (BA Finish):** Smooth, reflective finish for aesthetic applications.
* **Satin Finish (No. 4 Finish):** Brushed, non-reflective finish, popular for architectural uses.
* **Electropolishing:** Removes surface imperfections, improves cleanability, and slightly enhances corrosion resistance. Common in food/pharma.
* **Teflon® Coating (PTFE):** Optional dry film lubricant for easier assembly/disassembly and added chemical resistance.
How to Use:
Choose the appropriate stainless steel grade (A2 for most environments, A4 for marine/chemical) and size. Use a clean, properly sized hex wrench or socket to avoid galling (cold welding common with stainless). Apply moderate, steady torque. Using a lubricant specifically designed for stainless steel (e.g., nickel-based anti-seize) on the threads is highly recommended to prevent galling and seizing, especially in critical or repetitive assembly/disassembly applications. Always pair with matching stainless steel nuts and washers to prevent galvanic corrosion. Avoid over-tightening.
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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