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304 Bolt China-based Manufacturer
QS Fastener: 304 Bolt China-based Manufacturer
Name: 304 Bolt China-based Manufacturer
Standard: DIN933
Material: SS304
Size: M3
Lenght: 30 mm
Surface: Natural color
Price: USD 0.01/ PCS
MOQ: 100 PCS
Customization: yes
Delivery time: 7-15 Day
Standard: DIN933
Material: SS304
Size: M3
Lenght: 30 mm
Surface: Natural color
Price: USD 0.01/ PCS
MOQ: 100 PCS
Customization: yes
Delivery time: 7-15 Day
Quantity
For buyers seeking a reliable 304 Bolt, this China-based Manufacturer offers DIN933-compliant M3×30 mm fasteners in natural bright finish. Made from premium SS304 austenitic stainless steel, these bolts deliver excellent corrosion resistance, non-magnetic properties, and lead-free composition—ideal for food machinery, medical devices, and 3D-printed assemblies. Precision-rolled threads ensure smooth engagement, reducing assembly torque scatter and extending equipment service intervals.
Corrosion Performance in Service
- General atmospheres & fresh water: The 18Cr-8Ni matrix spontaneously forms a passive film, granting “good to excellent” resistance in hygiene-sensitive applications (kitchen equipment, hospital furniture).
- General atmospheres & fresh water: The 18Cr-8Ni matrix spontaneously forms a passive film, granting “good to excellent” resistance in hygiene-sensitive applications (kitchen equipment, hospital furniture).
- Chloride-rich media (seawater, road salt, industrial spray): Pitting/crevice risk increases. For such environments, we recommend upgrading to 316/316L; if the 304 Bolt must be used, apply coatings or cathodic protection.
- Intergranular attack: Standard 304 (C≤0.08%) sensitizes at 450–800°C. For welded parts without post-weld solution treatment, choose 304L or redesign thermal cycles to keep the 304 Bolt out of the sensitization range.
- Strength vs. stress corrosion: With ~205 MPa yield strength, this 304 Bolt suits low-to-moderate loads. For high-pressure flanges or cyclic stresses, consider strain-hardened B8 Cl.2 or Mo-bearing alloys.
Our Advantage – As a China-based Manufacturer, we keep MOQ at 100 pcs, price at USD 0.01/pc, and lead time 7–15 days. Custom lengths, coatings, and head markings are available. Every lot is checked for thread gauge compliance and surface finish, ensuring consistent quality for global buyers.
Final Recommendation: For normal indoor or hygienic environments, this 304 Bolt provides cost-effective, durable service. In high-chloride, high-temperature, or high-stress conditions, apply material upgrades or protective measures. Contact our technical team for application-specific guidance.
FAQ
1. Is this 304 Bolt suitable for outdoor coastal use?
→ Not recommended for direct seawater/salt spray; use 316 or apply epoxy coating.
1. Is this 304 Bolt suitable for outdoor coastal use?
→ Not recommended for direct seawater/salt spray; use 316 or apply epoxy coating.
2. Can I order custom thread lengths below MOQ?
→ MOQ is 100 pcs, but sample orders (≤50 pcs) are negotiable for trial.
→ MOQ is 100 pcs, but sample orders (≤50 pcs) are negotiable for trial.
3. What certificates accompany the 304 Bolt?
→ Mill test reports (EN 10204 3.1) and dimensional inspection records are provided.
→ Mill test reports (EN 10204 3.1) and dimensional inspection records are provided.
4. Does the natural finish rust during shipping?
→ No, if kept dry; we add VCI paper packing for sea-freight protection.
→ No, if kept dry; we add VCI paper packing for sea-freight protection.
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