Product Overview
The Hexagonal Nut (Hex Nut) is one of the most widely used fastening components in machinery, automotive parts, construction equipment, machine tools, and industrial structures.
It is used together with bolts and studs to achieve reliable fastening and connection between components. Its strength grade, dimensional accuracy, and corrosion resistance directly affect operational safety and service life.
With over 40 years of metal manufacturing experience, Sangroove (Jiangsu) Machinery Co., Ltd. specializes in producing standard and custom hex nuts, providing high-quality fastening solutions for automotive, construction machinery, agricultural machinery, mining equipment, machine tools, and industrial applications worldwide.

Manufacturing Process
- Raw Material Inspection
- Cold Heading Forming
- Hot Forging (for large sizes)
- Thread Tapping
- Heat Treatment Strengthening
- Surface Treatment
- Dimensional Inspection
- Mechanical Property Testing
- Final Packaging
Technical Specifications
| Product Name | Hexagonal Nut |
| Standards | DIN934 / ISO4032 / ANSI B18.2.2 |
| Materials | QT400 / QT450 / QT500 / QT600 / QT700 ductile iron, carbon steel, medium carbon steel, alloy steel |
| Optional Materials | Q235, 45# steel, 35CrMo, 304 stainless steel, 316 stainless steel |
| Size Range | M5–M64 |
| Thread Types | Metric, Imperial, UNC, UNF |
| Surface Treatment | Zinc Plating, Hot-Dip Galvanizing, Dacromet, Black Oxide, Phosphating |
| Testing Standards | ISO, DIN, GB, ASTM |
Product Advantages
• High-Strength Fastening Performance
• Precision Thread Machining for Smooth Assembly
• Excellent Corrosion Resistance Options
• Wide Range of Standard and Custom Sizes
• Stable Mass Production and Supply Capability
Customer Benefits
• Improved connection reliability and structural safety
• Reduced maintenance and replacement costs
• Improved assembly efficiency and consistency
• Optimized procurement and supply chain cost savings

Why Choose Sangroove
40+ Years of Manufacturing Experience
Full-process production from raw material to finished product
Certified to IATF 16949, ISO 9001, ISO 14001, ISO 45001, ISO 10012 and ISO 50001
Advanced testing equipment including hardness testers, tensile testing machines, CMM, and thread inspection systems
Global supply experience across automotive, machinery, mining, and industrial sectors
Applications
- Automotive Components
- Construction Machinery
- Mining Equipment
- Machine Tools
- Agricultural Machinery
- Steel Structures
- Wind Power Equipment
- General Industrial Equipment


