
Customization:
With corrosion-resistant stainless steel material, you can ensure long-lasting performance in harsh environments like marine, industrial, or outdoor applications*.
With hexagonal heads and nuts, you can effortlessly tighten and loosen components using standard wrenches or sockets*, minimizing tool dependency.
With a durable M22 thread size and split lock washers, you can handle heavy loads exceeding 5 tons while preventing loosening in high-vibration machinery or vehicles*.
With a hexagonal design and M22/M8 thread options, you can seamlessly adapt to automotive, construction, and industrial machinery projects*, ensuring universal usability.
With ENISO 6507 certification, you can trust standardized strength and tensile performance for critical applications like structural assemblies or pressure systems*.

Our stainless steel DIN 930 M22 hex head bolt and nut set combines precision engineering with robust performance. Certified to ENISO 6507 standards, this versatile fastening system features hexagonal heads for tool compatibility and corrosion-resistant stainless steel construction. Ideal for industrial, automotive, and marine applications, it offers customizable material grades and surface finishes to meet specific durability requirements.
| Feature | Specification | Benefit |
|---|---|---|
| Material | Stainless Steel (grades 304/316) or Steel | Enhanced corrosion resistance and strength |
| Certification | ENISO 6507 | Guaranteed compliance with international standards |
| Head Type | Hexagonal | Easy tightening/loosening with standard tools |
| Thread Size | M22, M8 | Compatibility with standard machinery designs |
| Washer Types | Flat & Split Lock | Load distribution and vibration resistance |
| Surface Finish | Plain (customizable) | Functional base finish with aesthetic upgrade options |
Adjustable parameters:
With stainless steel 316, you can ensure durability in marine environments. Pair split lock washers with hex nuts to prevent loosening in high-vibration machinery. The plain finish offers a cost-effective base for automotive assembly lines, while upgraded surface treatments enhance longevity in corrosive chemical plants.
| Parameter | Base Model (Steel) | Advanced Model (304) | Pro Model (316) |
|---|---|---|---|
| Corrosion Resistance | Standard | +30% vs. benchmarks | +50%* |
| Tensile Strength | 500 MPa | 650 MPa | 750 MPa |
| Operating Temp Range | -20°C to 400°C | -30°C to 500°C | -50°C to 600°C |
Technical Breakthroughs:
Version Selection Guidance:
| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|---|---|---|---|
| Corrosion Resistance | Marine, coastal, or chemical environments | - Industry Standard: 200h salt spray (ASTM B117) - Our Base: 300h (ENISO 6507) - Our Advanced: 1000h (ASTM B117) | ▲▲ Advanced withstands harsher environments (e.g., saltwater) | Base may corrode faster in extreme conditions (e.g., offshore drilling) |
| Thread Strength | Heavy machinery, construction | - Industry Standard: 400 MPa yield strength (ISO 898-1) - Base: 450 MPa (▲) - Advanced: 500 MPa (▲▲) | ▲▲ Advanced handles extreme loads (e.g., industrial presses) | Base may fail under prolonged high stress (e.g., mining equipment) |
| Material Composition | Industrial equipment, automotive | - Industry Standard: Carbon steel - Base: Steel (ENISO 6507) - Advanced: Stainless Steel 316 (▲) | ▲ Advanced resists chemicals and heat (e.g., chemical plants) | Base requires periodic coating maintenance (e.g., outdoor storage) |
| Surface Finish | Medical, food processing | - Industry Standard: Plain finish - Base: Plain (ENISO 6507) - Advanced: Electropolished (▲) | ▲ Advanced is hygienic and corrosion-resistant (e.g., surgical tools) | Base may harbor bacteria in cleanroom environments |
| Vibration Resistance | Automotive, machinery | - Industry Standard: Flat washers (ISO 7089) - Base: Flat washers - Advanced: Split lock washers (▲) | ▲ Advanced prevents loosening in high-vibration settings (e.g., engines) | Base may vibrate loose in prolonged use (e.g., construction equipment) |
| Hardness | High-stress applications | - Industry Standard: 25 HRC (Rockwell) - Base: 30 HRC (ENISO 6507 ▲) - Advanced: 35 HRC (▲▲) | ▲▲ Advanced resists deformation in heavy-duty use (e.g., mining) | Base may deform under extreme pressure (e.g., hydraulic systems) |
⭐⭐⭐⭐⭐ James Carter - Industrial Maintenance Technician
"I've been using the Pro Model (316) stainless steel bolts in our offshore drilling rig for over six months now, and they’ve held up perfectly despite constant saltwater exposure. The split lock washers truly prevent loosening—even under heavy vibration. Installation is a breeze with standard wrenches, and the ENISO 6507 certification gave our safety team peace of mind. These are now our go-to fasteners for high-stress applications."Purchase Date: February 2025 | Usage Period: 6 months
⭐⭐⭐⭐☆ Linda Patel - Home DIY Enthusiast
"Bought the Advanced Model (304) for assembling a backyard pergola and repairing my garden gate. After five months of rain, snow, and sun, there’s zero rust—a huge improvement over the cheap bolts I used last year. The hex heads made installation simple with my socket set, and I appreciated the included lock washers. Only reason I didn’t give five stars is because the M8 size was slightly oversized for one of my projects. Still, excellent value for home use."Purchase Date: November 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Marco Silva - Auto Repair Shop Owner
"We switched to these DIN 930 M22 bolts for engine mounts and suspension systems, and the difference is night and day. The 304 stainless steel grade reduces corrosion in coastal vehicles, and the anti-loosening feature has cut down on callback repairs due to bolt slippage. We’ve been using them for seven months across 50+ vehicles—no failures. Plus, the customizable thread lengths let us standardize across multiple car models. Highly recommend for any serious workshop."Purchase Date: April 2024 | Usage Period: 7 months
⭐⭐⭐⭐⭐ Dr. Elena Rodriguez - Mechanical Engineer, Manufacturing Plant
"Our production line uses high-vibration machinery, and we needed a fastener solution that wouldn’t compromise safety. After testing several options, we selected the Pro Model (316) for critical joints. With 750 MPa tensile strength and electropolished finish, they exceed our durability and hygiene standards. The supplier provided full certification documentation, which streamlined our compliance audit. These bolts have reduced maintenance intervals by nearly 40%—a measurable operational win."Purchase Date: January 2025 | Usage Period: 5 months
⭐⭐⭐⭐☆ Thomas Reed - Marine Construction Contractor
"Used the 316 stainless steel bolts on a dock renovation project near the coast. Eight months in, and not a single sign of pitting or corrosion—impressive, considering the tidal exposure. The M22 thread size handled heavy timber framing with ease, and the DIN 930 compliance ensured perfect fit with our existing hardware. Only suggestion: include a small instruction card about proper storage to maintain finish quality. Otherwise, solid performance."Purchase Date: September 2024 | Usage Period: 10 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Dr. Alan Foster - Senior Mechanical Engineer & Standards Consultant
"In my 15 years evaluating industrial fasteners, this DIN 930 M22 bolt set stands out for its combination of ENISO 6507 compliance, vibration resistance, and material versatility. The inclusion of split lock washers and availability of 316 stainless steel makes it ideal for marine and heavy industrial applications. I’ve recommended it for ASME-compliant system upgrades and offshore structural assemblies."
Linda Zhang - Automotive Systems Integration Expert
"For automotive repair and EV assembly, where reliability under thermal cycling and vibration is critical, the 304 stainless steel variant with hexagonal head design offers optimal balance of strength, weight, and tool compatibility. Its performance matches OEM specifications, and the customization options allow for retrofitting legacy systems. A top-tier choice for modern workshops."
Posted: 2 days ago
"Using these in North Sea conditions—constant moisture, wind, and temperature swings. The 316 bolts show no corrosion after three months. Lock washers still tight. Exactly what we needed."
Posted: 1 week ago
"Ordered a custom batch with polished finish and modified length. Arrived on time, fit perfectly in our client’s architectural project. The finish looks premium and resists fingerprints."
Posted: 3 weeks ago
"Using M22 bolts on trailer hitches and chassis frames. Strong grip, no slippage. Only note: the plain finish shows scratches easily—consider upgrading to electropolished for visible areas."
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