Industrial-Grade Stainless Steel Hex Nuts (304 / 316)
At YouJia Metal, we manufacture a comprehensive range of high-precision stainless steel hex nuts designed for exceptional strength and corrosion resistance. Based in Dainan, the heart of China’s stainless steel industry, we provide global B2B clients with standard fasteners and specialized non-standard metal parts tailored to unique engineering requirements.
Whether you need bulk supplies of standard AISI 304 hex nuts or high-performance 316 marine-grade nuts, our 10 years of processing expertise ensure every piece meets strict international quality standards.
Why Choose Our Stainless Steel Hexagonal Nuts?
Premium Material Integrity: We use verified AISI 304 and 316 stainless steel to guarantee long-term rust protection and durability in both indoor and outdoor environments.
Precision Threading: Every hex nut is CNC-machined or cold-forged with precise tolerances, ensuring smooth compatibility with bolts and vibration resistance.
International Standards: Our production aligns with DIN934, ISO 4032, ANSI/ASME B18.2.2, and more.
Expert Customization: As a specialist in customized processing of non-standard parts, we can manufacture nuts with unique pitches, over-sized dimensions, or specialized surface treatments (Passivated, Electro-polished).
🔹 Product Dimensions (Unit: mm / inch, rounded to 2 decimal places) Nominal Diameter (D) Pitch (P) Height (m) Width Across Flats (S) max / min max / min M1 0.25 mm (≈0.01 in) 1.2 mm (≈0.05 in) / 1.1 mm (≈0.04 in) 2.5 mm (≈0.10 in) / 2.4 mm (≈0.09 in) 1 mm (≈0.04 in) M1.2 0.25 mm (≈0.01 in) 1.2 mm (≈0.05 in) / 1.1 mm (≈0.04 in) 2.5 mm (≈0.10 in) / 2.4 mm (≈0.09 in) 1.2 mm (≈0.05 in) M1.4 0.3 mm (≈0.01 in) 1.2 mm (≈0.05 in) / 1.1 mm (≈0.04 in) 2.6 mm (≈0.10 in) / 2.5 mm (≈0.10 in) 1.4 mm (≈0.06 in) M1.6 0.35 mm (≈0.01 in) 1.3 mm (≈0.05 in) / 1.15 mm (≈0.05 in) 3.2 mm (≈0.13 in) / 3.02 mm (≈0.12 in) 1.6 mm (≈0.06 in) M1.7 0.35 mm (≈0.01 in) 1.4 mm (≈0.06 in) / 1.15 mm (≈0.05 in) 3.5 mm (≈0.14 in) / 3.38 mm (≈0.13 in) 1.7 mm (≈0.07 in) M2 0.4 mm (≈0.02 in) 1.6 mm (≈0.06 in) / 1.35 mm (≈0.05 in) 4 mm (≈0.16 in) / 3.82 mm (≈0.15 in) 2 mm (≈0.08 in) M2.3 0.45 mm (≈0.02 in) 1.8 mm (≈0.07 in) / 1.55 mm (≈0.06 in) 4.5 mm (≈0.18 in) / 4.32 mm (≈0.17 in) 2.3 mm (≈0.09 in) M2.5 0.45 mm (≈0.02 in) 2 mm (≈0.08 in) / 1.75 mm (≈0.07 in) 5 mm (≈0.20 in) / 4.82 mm (≈0.19 in) 2.5 mm (≈0.10 in) M2.6 0.45 mm (≈0.02 in) 2 mm (≈0.08 in) / 1.75 mm (≈0.07 in) 5 mm (≈0.20 in) / 4.82 mm (≈0.19 in) 2.6 mm (≈0.10 in) M3 0.5 mm (≈0.02 in) 2.4 mm (≈0.09 in) / 2.15 mm (≈0.08 in) 5.5 mm (≈0.22 in) / 5.32 mm (≈0.21 in) 3 mm (≈0.12 in) M3.5 0.6 mm (≈0.02 in) 2.8 mm (≈0.11 in) / 2.55 mm (≈0.10 in) 6 mm (≈0.24 in) / 5.82 mm (≈0.23 in) 3.5 mm (≈0.14 in) M4 0.7 mm (≈0.03 in) 3.2 mm (≈0.13 in) / 2.9 mm (≈0.11 in) 7 mm (≈0.28 in) / 6.78 mm (≈0.27 in) 4 mm (≈0.16 in) M5 0.8 mm (≈0.03 in) 4 mm (≈0.16 in) / 3.7 mm (≈0.15 in) 8 mm (≈0.31 in) / 7.78 mm (≈0.31 in) 5 mm (≈0.20 in) M6 1 mm (≈0.04 in) 5 mm (≈0.20 in) / 4.7 mm (≈0.19 in) 10 mm (≈0.39 in) / 9.78 mm (≈0.39 in) 6 mm (≈0.24 in) M7 1 mm (≈0.04 in) 5.5 mm (≈0.22 in) / 5.2 mm (≈0.20 in) 11 mm (≈0.43 in) / 10.73 mm (≈0.42 in) 7 mm (≈0.28 in) M8 1.25 mm (≈0.05 in) 6.5 mm (≈0.26 in) / 6.14 mm (≈0.24 in) 13 mm (≈0.51 in) / 12.73 mm (≈0.50 in) 8 mm (≈0.31 in) M10 1.5 mm (≈0.06 in) 8 mm (≈0.31 in) / 7.64 mm (≈0.30 in) 17 mm (≈0.67 in) / 16.73 mm (≈0.66 in) 10 mm (≈0.39 in) M12 1.75 mm (≈0.07 in) 10 mm (≈0.39 in) / 9.64 mm (≈0.38 in) 19 mm (≈0.75 in) / 18.67 mm (≈0.74 in) 12 mm (≈0.47 in) M14 2 mm (≈0.08 in) 11 mm (≈0.43 in) / 10.3 mm (≈0.41 in) 22 mm (≈0.87 in) / 21.67 mm (≈0.85 in) 14 mm (≈0.55 in) M16 2 mm (≈0.08 in) 13 mm (≈0.51 in) / 12.3 mm (≈0.48 in) 24 mm (≈0.94 in) / 23.67 mm (≈0.93 in) 16 mm (≈0.63 in) M18 2.5 mm (≈0.10 in) 15 mm (≈0.59 in) / 14.3 mm (≈0.56 in) 27 mm (≈1.06 in) / 26.16 mm (≈1.03 in) 18 mm (≈0.71 in) M20 2.5 mm (≈0.10 in) 16 mm (≈0.63 in) / 14.9 mm (≈0.59 in) 30 mm (≈1.18 in) / 29.16 mm (≈1.15 in) 20 mm (≈0.79 in) M22 2.5 mm (≈0.10 in) 18 mm (≈0.71 in) / 16.9 mm (≈0.67 in) 32 mm (≈1.26 in) / 31 mm (≈1.22 in) 22 mm (≈0.87 in) M24 3 mm (≈0.12 in) 19 mm (≈0.75 in) / 17.7 mm (≈0.70 in) 36 mm (≈1.42 in) / 35 mm (≈1.38 in) 24 mm (≈0.94 in) M27 3 mm (≈0.12 in) 23 mm (≈0.91 in) / 20.7 mm (≈0.81 in) 41 mm (≈1.61 in) / 40 mm (≈1.57 in) 27 mm (≈1.06 in) M30 3.5 mm (≈0.14 in) 24 mm (≈0.94 in) / 22.7 mm (≈0.90 in) 46 mm (≈1.81 in) / 45 mm (≈1.77 in) 30 mm (≈1.18 in) M33 3.5 mm (≈0.14 in) 26 mm (≈1.02 in) / 24.7 mm (≈0.97 in) 50 mm (≈1.97 in) / 49 mm (≈1.93 in) 33 mm (≈1.30 in) M36 4 mm (≈0.16 in) 29 mm (≈1.14 in) / 27.4 mm (≈1.08 in) 55 mm (≈2.17 in) / 53.8 mm (≈2.12 in) 36 mm (≈1.42 in)
Technical Specifications
| Attribute | Details |
| Material Grade | AISI 304, 304L, 316, 316L, 321 |
| Size Range | M3 – M64 (Standard) / Custom sizes up to M100 |
| Standards | DIN 934, ISO 4032, GB, ASTM, Non-Standard |
| Thread Type | Metric (Fine/Coarse), UNC, UNF |
| Surface Finish | Bright Clean, Pickled, Mirror Polished |
| Custom Service | OEM/ODM based on STP/PDF Drawings |
Wide Range of Applications
Our stainless steel fasteners and hex nuts are essential components in:
Mechanical Equipment: Securing precision parts in industrial machinery and production lines.
Marine Engineering: 316 stainless steel nuts are perfect for offshore platforms, boat rigging, and harbor facilities.
Construction & Infrastructure: Heavy-duty fastening for steel structures, bridges, and solar panel racking.
Hardware & Decoration: Used in high-end railing systems, wind dynamic walls, and customized architectural projects.
Your Trusted Partner in Dainan, China
Sourcing from YouJia Metal means you are working directly with a China stainless steel factory. We eliminate middleman costs and provide full Material Test Reports (MTR) with every shipment. Our expertise in non-standard stainless steel parts makes us the go-to supplier for complex projects that standard hardware stores cannot support.
Frequently Asked Questions (FAQ)
Q: Can you produce hex nuts according to my specific drawings?
A: Yes. We are an expert in customized processing. Simply send us your STP or DWG files, and our engineering team will provide a production solution.
Q: What is the lead time for bulk hex nut orders?
A: For standard sizes, we maintain a large stock for immediate shipping. Custom non-standard parts typically take 10-15 days depending on the complexity.
Call to Action (CTA)
Need High-Precision Stainless Steel Fasteners?
Contact YouJia Metal today for wholesale pricing and a free technical consultation on your custom hex nut requirements.
Email: liyan@youjiasupplier.com
WhatsApp: +86 15952693580
