Specifications

butterfly nuts zinc plated
material:carbon steel
coating :zinc plated
size:M8

Specialized in manufacturing fasteners such as bolts,screws,studs,nuts,washers,threaded

Rods,pins,rivets,stamping,circlips and other nonstandard parts.

Shanghai Jinrui Norm Parts Supplies CO.,Ltd.., Ltd. is specialized manufacturing fasteners and accessories with a subsidiary of Shanghai XingRui Bolt Factory.  The company is a private-owned  enterprise with a total capital of RMB 30 million which is located in the well-known Motor City of Shanghai - Malu, Jiading District with a floor area of 20Mu and an effective plant area of 5,000 square meters.

With the operation principle of "Exploration, Innovation and Pusuit of Excellent Quality", the company has successively introduced advanced multi-functional cold heading equipments and large-sized hot heading equipments and supporting detection equipments. And a Research & Development Department has been established,and we can manufacture various high quality fasteners which meet the GB, DIN, ANSI, JIS and ISO standard. The main products of the company include the following 7 types:

1. High strength alloy steel double end stud- , fully-threaded stud and heavy hex nut applied on petrochemical industry, boiler and wind power generation. The diameter is from M20-140MM and the length is from 60MM-1400MM.

2. Metric  and ANSI round head oval neck bolt (fish bolt) with  mechanical property of Grade 8.8 and 9.8.

3. Bolt used on guardrail panel of expressway with  mechanical property of Grade 4.8 and 8.8.

4. Elevator guide rail bolt and big hexagon bolt for steel structure, shearing bolt with mechanical property of Grade 8.8, 10.9 and 12.9.

5. Stainless steel internal and external hexagon bolt products: A2-70, A4-80. Material: 304, 316, 316L.

6. International internal and external hexagon bolt with the mechanical property of Grade 4.8, 8.8, 10.9 and ANSI Grade 2, 5 and 8.

7. Various nuts, flat gaskets, spring washers, mechanical bolts, tapping screws, fibreboard screws and hexagonal wood screws, etc. We can also process non-standard fasteners according to  drawing.

Since the establishment of Jinrui, an annual production capacity of 10,000 ton fasteners has been achieved. On the basis of similar domestic products, we have paid attention to the design and material selection of our products to make them more endurable and well-received by our customers. Jinrui has passed ISO9001:2000 international quality system certification  in 2001 and TS16949 automobile quality control system in 2012. We also obtained special equipment manufacturing license (for pressure pipeline) in 2010. We have effected "global product liability insurance" for our products from People's Insurance Company of China.

On the operation principle of "quality first, science and technology oriented, customer first and considerate services", Jinrui  has won the trust of our customers with advanced office system and strong operation team. We produce "Jinrui" brand standard parts with the corporate philosophy of "creating first class enterprise and manufacturing high quality bolts" and brand concept of "science and technology serves people", which will make your products and projects better.