Hexagon Thick Nuts (High Strength)
Hexagon thick nuts are taller than a standard hex nut, giving more thread engagement and a higher proof load. They are the correct nut to pair with grade 8.8 and 10.9 structural bolts and are also used where a standard nut would strip in a soft material or where repetitive assembly and disassembly is expected.
Technical Specifications
| Parameter | Specification |
|---|---|
| Standard | DIN 6915 / ASTM A194 2H / GB/T 1229 |
| Type | Hexagon Thick Nut (Heavy Hex Nut) |
| Size Range | M8 – M36 |
| Grade | Class 8 / Class 10 / 10.9 / ASTM 2H |
| Material | Medium Carbon Steel / Alloy Steel |
| Surface Finish | Black Oxide, Zinc Plated, Hot Dip Galvanized |
| Thread | Metric Coarse (metric fine on request) |
| Marking | Grade and manufacturer mark |
| MOQ | 500 pcs (standard), 2,000 pcs (custom) |
| Lead Time | 7-15 days (standard), 20-30 days (custom) |
| Packaging | Bulk cartons / Wooden pallets / Custom labeling |
Available Sizes
M8, M10, M12, M16, M20, M22, M24, M27, M30, M36
Applications
- Steel structures and bridges
- Heavy machinery assembly
- Wind turbine and tower bolting
- Pressure vessels and flanges
- Mining and crushing equipment
- High load bolted joints
Certifications
ISO 9001:2015 certified. Material certificates (EN 10204 3.1/3.2). RoHS and REACH compliant.
Frequently Asked Questions
When should I use thick nuts?
Thick nuts give extra thread engagement for high-strength structural bolting, alternating loads and wherever a standard-height nut cannot develop the full bolt strength — often paired with HV/HR structural bolt systems.
What sizes are available?
Available sizes range from M8 – M36. Contact us with your required sizes and quantities for a quick quote.
What is the MOQ and lead time?
The MOQ is 500 pcs (standard), 2,000 pcs (custom). Lead time is 7-15 days (standard), 20-30 days (custom). Mixed-size containers and larger orders are negotiable — send us your requirement for a quick quote.
Do you provide material certificates?
Yes. Material test certificates per EN 10204 3.1 are available on request, and our manufacturing is ISO 9001:2015 certified. RoHS and REACH compliance documentation can also be provided.
