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Lock Nuts from China - Reliable Anti-Loosening Nuts Supplier & Manufacturer Factory for All Applications
Product Overview
| Product Name | Lock Nut / Self-Locking Nut / Anti-Loosening Nut |
| Standards | DIN 985, DIN 982, ISO 10511, or customized |
| Material | Carbon Steel, Stainless Steel (SS304, SS316), Alloy Steel |
| Grade | 6, 8, 10, 12 / A2-70, A4-80 |
| Thread Type | Metric / UNC / UNF |
| Finish Options | Zinc Plated (Clear / Yellow / Blue), Black Oxide, Hot-Dip Galvanized (HDG), Plain / Polished |
| Size Range | Metric: M3 – M64 Inch: 1/4" – 2-1/2" Custom sizes upon request |
Product Features
Self-locking mechanism prevents loosening under vibration and torque
Available in various designs: nylon insert, all-metal, and castellated
Cost-effective, reducing the need for additional washers or locking devices
Corrosion-resistant finishes for outdoor and industrial applications
Easy to install with standard tools
Available in standard and heavy-duty types for different strength requirements
Applications
Automotive and transportation industries
Industrial machinery and equipment
Electrical and power generation systems
Agricultural and construction machinery
Oil and gas, marine, and aerospace applications
General fastening in industrial settings
Packaging & Delivery
| Packaging |
• Bulk in cartons with wooden pallets • Small boxes or polybags with custom labeling • Custom packaging options available |
| Lead Time | 7–30 days depending on order quantity and customization |
| Shipping Port | Tianjin, China |
Why Choose Hebei Chudu
✓
Over 10 years of experience in fastener manufacturing.
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ISO 9001-certified factory with strict quality control processes.
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Fast production lead time and competitive pricing.
✓
Custom solutions for OEM/ODM needs.
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Export to over 40 countries with efficient logistics.
✓
Wide product range covering various types of lock nuts, bolts, and fasteners.
Frequently Asked Questions
What standards do your lock nuts comply with?
Our lock nuts, self-locking nuts, and anti-loosening nuts are manufactured in strict compliance with international standards, including DIN 985, DIN 982, and ISO 10511. We also support custom standards based on your specific requirements.
What materials and grades are available?
We offer lock nuts in Carbon Steel, Stainless Steel (SS304, SS316), and Alloy Steel. The available strength grades are 6, 8, 10, 12 for carbon steel, and A2-70, A4-80 for stainless steel.
How do self-locking nuts prevent loosening?
They feature a specialized self-locking mechanism (such as nylon inserts, all-metal deformation, or castellated designs) that creates friction and resists loosening caused by heavy vibrations and dynamic torque.
What finish options do you provide for corrosion resistance?
We provide multiple surface treatments including Zinc Plated (Clear, Yellow, and Blue), Black Oxide, Hot-Dip Galvanized (HDG), and Plain or Polished finishes to suit different indoor and outdoor environments.
What is the standard lead time and shipping port?
Our lead time typically ranges from 7 to 30 days, depending on the order quantity and level of customization. All standard orders are shipped via Tianjin Port, China.
Do you offer OEM/ODM or custom sizing?
Yes, Hebei Chudu provides custom manufacturing solutions. We offer metric sizes from M3 to M64, inch sizes from 1/4" to 2-1/2", and can customize dimensions, thread types, and packaging to meet your OEM/ODM specifications.