TOBO GROUP LTD
| Supply Ability | Max 150 tons/month |
| Product name | Hex Head Nut |
| Packing | Cartons+plastic Bags |
| Delivery Time | 25 Working days |
| Finish | ZINC, Plain, black/zinc plated/hot dip galvanized |
| Payment Terms | T/T, Western Union |
| Material | Carbon Steel |
| Head type | Hex head |
| Standard | DIN |
| Grade | 4/5/6/8/10/12 |
| Packaging Details | Neutral packaging or customized packaging |
| Application | Heavy Industry, Retail Industry, General Industry |
| Model Number | Nuts |
| Certification | CE/SGS/ISO |
| Place of Origin | China |
| Brand Name | TOBO |
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Product Specification
| Supply Ability | Max 150 tons/month | Product name | Hex Head Nut |
| Packing | Cartons+plastic Bags | Delivery Time | 25 Working days |
| Finish | ZINC, Plain, black/zinc plated/hot dip galvanized | Payment Terms | T/T, Western Union |
| Material | Carbon Steel | Head type | Hex head |
| Standard | DIN | Grade | 4/5/6/8/10/12 |
| Packaging Details | Neutral packaging or customized packaging | Application | Heavy Industry, Retail Industry, General Industry |
| Model Number | Nuts | Certification | CE/SGS/ISO |
| Place of Origin | China | Brand Name | TOBO |
High Quality Carbon Steel Hex Head Nuts ASME B18.2.2 DIN934 Zinc Plated Heavy Duty Fasteners
Hex Head Nuts, also known as hexagon nuts or hex nuts, are one of the most widely used mechanical fastening components. They feature a standard six-sided (hexagonal) external shape with a threaded through-hole in the center. Designed to be used in conjunction with bolts, screws, or threaded rods, hex nuts are screwed onto the male thread to create a secure and reliable connection.
Hex head nuts are manufactured in accordance with various international and national standards, including DIN 934, ISO 4032, ANSI/ASME B18.2.2, GB/T 6170, and GB/T 41. They are available in a wide range of materials such as carbon steel, alloy steel, stainless steel, and copper, with various surface treatments including plain, zinc plating, yellow zinc plating, hot-dip galvanizing, and black oxide. Strength grades range from Class 4 to Class 12, accommodating different load-bearing requirements.
Hex head nuts are fundamental, general-purpose fasteners used across virtually all industrial sectors. Their primary function is to fasten and secure mechanical components by working in conjunction with bolts, screws, or threaded rods. They are used to join two or more parts together through threaded engagement, creating bolted joints that prevent movement and maintain structural integrity.
Key application areas include:
Machinery Manufacturing: Fixing and connecting various components in machine tools, pumps, valves, motors, and other equipment
Construction and Civil Engineering: Steel structure connections, curtain wall installation, bridge construction, and building frameworks
Automotive and Transportation: Securing chassis, engine compartments, and vehicle body components
Power and Telecommunications: Installation and fixing of transmission towers, substation equipment, and communication base stations
Marine and Outdoor Applications: Marine equipment, coastal infrastructure, and outdoor structures requiring corrosion resistance
Household and DIY Projects: General assembly and repair work
1. Easy Installation and Operation
The standard hexagonal shape allows for easy tightening and loosening using common tools such as open-end wrenches, ring spanners, or socket wrenches. The six-sided design provides optimal grip and torque transmission.
2. High Strength and Load Capacity
Manufactured from high-quality steel and available in various strength grades, hex nuts offer exceptional tensile strength and load-bearing capacity. Higher grades such as Class 8, 10, and 12 can withstand significant tensile stress in heavy-duty applications.
3. Excellent Corrosion Resistance
With various surface treatments available—including zinc plating, hot-dip galvanizing, and black oxide—hex nuts provide effective protection against rust and corrosion. Stainless steel variants offer superior resistance in harsh environments such as coastal areas, high-humidity conditions, and chemical plants.
4. Cost-Effective
Hex nuts provide long-lasting performance at competitive prices, reducing long-term replacement and maintenance costs. Their wide availability and standardization ensure easy sourcing and interchangeability.
5. Versatility and Interchangeability
Available in a comprehensive range of metric and imperial sizes, hex nuts are compatible with various bolt standards. Strict adherence to international standards ensures precise dimensional accuracy and reliable interchangeability with corresponding bolts.
6. Low Maintenance
Once installed, properly surface-treated hex nuts require minimal maintenance. Galvanized and stainless steel variants maintain their integrity and appearance over extended periods even in challenging environments.
General Specifications
| Parameter | Description |
|---|---|
| Standards | DIN 934, ISO 4032, ANSI/ASME B18.2.2, GB/T 6170, GB/T 41, BS 3692 |
| Thread Direction | Right-hand (standard) |
| Thread Tolerance | 6H (standard) |
| Thread Type | Metric coarse/fine thread, Imperial thread |
| Material | Carbon steel, alloy steel, stainless steel (304, 316), copper |
| Strength Grades | Class 4, 5, 6, 8, 10, 12 |
| Surface Treatment | Plain, zinc plated, yellow zinc plated, hot-dip galvanized, black oxide, Dacromet |
| Size Range | M1.6 ~ M100 and above |
Dimensional Parameters (Example: GB/T 6170 / DIN 934)
| Thread Size | Pitch P (mm) | Width Across Flats s (mm) | Height m (mm) | Min. Width Across Corners e min (mm) |
|---|---|---|---|---|
| M5 | 0.8 | 7.78 – 8.00 | 4.40 – 4.70 | 8.79 |
| M6 | 1.0 | 9.78 – 10.00 | 4.90 – 5.20 | 11.05 |
| M8 | 1.25 | 12.73 – 13.00 | 6.44 – 6.80 | 14.38 |
| M10 | 1.5 | 15.73 – 16.00 | 8.04 – 8.40 | 17.77 |
| M12 | 1.75 | 17.73 – 18.00 | 10.37 – 10.80 | 20.03 |
| M16 | 2.0 | 23.67 – 24.00 | 14.10 – 14.80 | 26.75 |
| M20 | 2.5 | 29.16 – 30.00 | 16.90 – 18.00 | 32.95 |
| M24 | 3.0 | 35.00 – 36.00 | 19.00 – 21.50 | 39.55 |
Note: Dimensions may vary slightly depending on the specific standard and product grade. Grade A is used for D≤16mm; Grade B for D＞16mm.
Performance Parameters
| Parameter | Description |
|---|---|
| Proof Load | Up to 700MPa (Class 8) |
| Tensile Strength | Class 8.8: 800MPa; Class 10.9: 1000MPa; Class 12.9: 1200MPa |
| Corrosion Resistance | Varies by surface treatment (e.g., hot-dip galvanized: excellent; zinc plated: good) |
| Operating Temperature | Depends on material (stainless steel: -200°C ~ 800°C; carbon steel: -50°C ~ 300°C) |
A: We are factory.
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
A: Payment<=10000USD, 100% in advance. Payment>=10000USD, 50% T/T in advance ,balance before shippment.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
5000000-6000000
Ecer Certification：
Verified Supplier
TOBO GROUP LTD is a professional fastener manufacturer and exporter in China. We produce various types of fasteners (include non-standard) in GB, DIN, BS, ANSI/ASME, IFI, ISO, and JIS with 300 tons of monthly productivity. Our main products are bolts, nuts, screws, threaded rods, plain was... TOBO GROUP LTD is a professional fastener manufacturer and exporter in China. We produce various types of fasteners (include non-standard) in GB, DIN, BS, ANSI/ASME, IFI, ISO, and JIS with 300 tons of monthly productivity. Our main products are bolts, nuts, screws, threaded rods, plain was...
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