Hex Nut
What is a Hex Nut?
A Hex Nut is a six-sided internally threaded fastener engineered to pair with bolts, screws, or studs, forming a secure and detachable joint. Its hexagonal design provides excellent grip and torque, enabling quick tightening and loosening with standard tools. Hex nuts are one of the most commonly used fasteners in industrial, automotive, and structural applications due to their strength, versatility, and compatibility with a wide range of threaded components.
Whether used in load-bearing structures or precision assemblies, hex nuts ensure dependable performance and long-term fastening reliability.
Key Features
- Six-Sided Design – Hexagonal shape allows efficient wrenching and tool access.
- Threaded Fit – Matches a wide range of bolt sizes and thread profiles.
- Durable Performance – Designed for high strength and resistance to loosening.
- Multiple Materials – Available in stainless steel, carbon steel, brass, and more.
- Corrosion Protection – Offered with protective coatings like zinc plating or galvanizing.
Specifications
Mechanical Properties
Chemical Composition
Equivalent Grades
Weight Chart
Specifications
| Parameter | Specification |
|---|---|
| Size Range | M3 to M64 |
| Thread Types | Metric, UNC, UNF, BSW, BSF |
| Manufacturing Methods | Cold Forged, Hot Forged, CNC Machined |
| Material Options | Carbon Steel, Alloy Steel, Brass, Stainless Steel |
| Standards | DIN 934, ISO 4032, ASTM A194, BS 1083 |
| Finishes Available | Zinc Plated, Galvanized, Black Oxide, Phosphate |
| Property | Value |
|---|---|
| Proof Load | 500 – 1000 MPa (grade-specific) |
| Hardness | 100 – 350 HB |
| Elongation | 15% – 25% |
| Temperature Range | -50°C to 300°C |
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.42 – 0.50 |
| Manganese (Mn) | 0.60 – 0.90 |
| Silicon (Si) | 0.10 – 0.35 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.050 |
| Iron (Fe) | Balance |
| Standard | Equivalent Grade |
|---|---|
| ASTM | A194 |
| DIN | 934 |
| ISO | 4032 |
| JIS | B1181 |
| BS | 1083 |
| Nut Size (mm) | Thread Pitch (mm) | Weight (kg) |
|---|---|---|
| M6 | 1.0 | 0.60 |
| M8 | 1.25 | 1.20 |
| M10 | 1.5 | 2.10 |
| M12 | 1.75 | 3.50 |
| M16 | 2.0 | 6.80 |
| M20 | 2.5 | 10.50 |
Applications of Hex Nuts
Construction &
Infrastructure
Automotive & Heavy
Equipment
Manufacturing &
Fabrication
Medical & Laboratory
Equipment
Electrical &
Electronics Assembly
Oil, Gas & Petrochemical
Installations
Do you have questions?
Why is the hex nut shape preferred in fastening?
The hexagonal design allows for easy wrench access from multiple angles and ensures efficient torque transfer during tightening.
Can I get hex nuts in stainless steel or special coatings?
Yes. We offer options in stainless steel (304, 316), zinc-plated, hot-dip galvanized, phosphate-coated, and more.
Do you support custom threads or non-standard sizes?
Absolutely. We manufacture hex nuts with custom threads, including fine pitch, reverse thread, and custom diameters.
Are hex nuts available for bulk and export orders?
Yes, we handle large-scale industrial and export orders with proper packaging, certifications, and documentation.
