Wedge-Locking Washers - Product Description
These high-performance wedge-locking washers are engineered to deliver unrivaled bolted joint security, specifically crafted for use with M8 steel bolts and also fully compatible with5/16 inch bolts.
Each package contains **20 glued pairs** of serrated washers, ensuring ready-to-use convenience for immediate application. Made from premium carbon steel, they are ideal for a wide range of general steel fastening scenarios.
What sets these washers apart is their innovative locking mechanism: unlike traditional friction-based washers, they utilize **tension** to lock bolts firmly in place. This design effectively prevents loosening even under severe vibration and dynamic load conditions, making them a reliable choice for critical applications. Boasting market-leading corrosion resistance, these steel washers ensure long-lasting performance in harsh environments.
Versatile and robust, these multifunctional wedge-locking washers are widely applied across diverse industries, including energy, robotics, medical equipment, transportation, offshore operations, mining and quarrying, construction and bridge building, manufacturing and processing, shipbuilding, forestry and agriculture, as well as heavy vehicle manufacturing and maintenance.
| Material |
Carbon Steel |
| Outside Diameter |
0.53 Inches |
| Washer Type |
Flat |
| Exterior Finish |
Zinc |
| Fastener Size |
M8 |

Main products

About us
yangzhou Hongniu Automotive Parts Co., Ltd. was founded in June 2000. Located in Tangzhuang Town, the eastern suburbs of the historic and cultural city of Gaoyou, with convenient transportation. The company covers an area of 35000 square meters and currently has over 300 employees, including 70 high-level and intermediate professional and technical personnel. Registered capital of 20 million yuan, total assets of 78 million yuan, and fixed assets of 56 million yuan. Main products: Series standard parts (including national standard and non-standard parts); Various types of automotive parts, hydraulic components, castings, and wind power products; aerospace fasteners, etc. Widely used in industries such as aerospace, machinery, wind power, textiles, automotive manufacturing, petroleum, forging, etc. We have maintained good cooperative relationships with dozens of large and medium-sized enterprises in China, and are highly favored by our customers with our good reputation and excellent quality.
FAQ
Q1: What is your main products?
A1: Our main sale products: series standard parts (including national standard and non-standard parts); Various types of automotive parts, hydraulic components, castings, and wind power products; aerospace fasteners, etc.
Q2: How long is your delivery time?
A2: Generally it is 10-15 days if the goods are in stock. or it is over 30 days if the goods are not in stock, it is according to quantity.
Q3: What is your payment method?
A3: 30% value of T/T in advance and other 70% balance on B/L copy. For small order less than 5000USD, would suggest you pay 100% inadvance to reduce the bank charges.
Q4: Can you provide a sample?
A4: Sure, Our sample is provided free of charge, but not including courier fees.
Q5: Can you customize the product according to the requirements of drawing sheets and so on?
A5: Sure, we can customize the products according to your requirements of drawing sheets, samples and so on. Product information include: material, surface treatment, specification and amount.