About this product
Material: Brass material, suitable for substrates with low engineering strength such as aluminum alloy, copper alloy, plastic, etc. Strong shock resistance, can prevent loosening.
Advantages: It has self-tapping function, and the substrate does not need to be pre-tapped. It has a repairing effect on broken internal threads, and the same screws can be used again using a self-tapping screw sleeve.
Installation: 1. Fix the self-tapping threaded sleeve on the corresponding bolt and nut to make the three into one, then use a wrench to screw the sleeve into the bottom hole and remove it from the bolt. 2. Use assembly tools directly for installation.
Application: Widely used in home appliances, industry, construction machinery, electronic products, modular furniture, engineering plastics, aluminum die-casting and other industries.
Any product of the company can be customized. If you have any needs, please feel free to contact us

Knurled Insert Nut
- Material: 303 stainless steel material/ Brass material/Carbon Steel material, suitable for aluminum alloy, copper alloy, plastic and other substrates with low engineering strength. Strong vibration resistance, can prevent loosening.
- Application: It is widely used in household appliances, the industry, construction machinery, electronic products, modular furniture, engineering plastics, aluminum die casting and other industries.
Package Dimensions |
5.51 x 3.94 x 0.24 inches; 0.35 ounces |
Material |
Brass |
Color |
True Color |
Production location |
China |

Main products

About us
Jiangsu 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.