Custom Plastic Injection Assembly with Spring and Bolt

Custom plastic injection molded assembly supplied to a Houston-based oil and gas equipment company. The assembly integrates plastic components with metal bolts and springs for reliable mechanical performance.
plastic injection molded assembly with spring

Project Name

Plastic Grease Fitting Assembly

Custom Plastic Injection Molded Assembly for Oil & Gas Equipment

This project involves the manufacturing and assembly of custom plastic injection molded components supplied to a client in Houston, USA, serving the oil and gas industry. The assembly includes precision plastic parts combined with metal bolts and springs to achieve the required mechanical function.

The plastic components were produced through injection molding based on the customer’s drawings and specifications. After molding, the parts were assembled with metal hardware to ensure reliable operation and structural stability.

Plastic injection molded assemblies are widely used in industrial and oilfield equipment where lightweight materials, corrosion resistance, and consistent mechanical performance are required.

Yutung Industrial provides customized manufacturing and assembly solutions, including plastic injection molding, hardware integration, and functional component assembly based on customer requirements.

Assembly Composition

The assembly is made of one fitting, one plunger, one spring and one metal screw, supplied to a Houston-based company serving the oil and gas industry.

Industrial plastic injection assembly

Material

Fitting: PPS, 40%GF

Plug: Nylon PA6, Grey

Screw: SS304

Spring: 0.156″x0.375″

Quantity

10,000 sets for one batch, regular order

Packing picture

Screw

Assembly screw

This screw is updated for a few versions.

Another similar project can be found here: Plastic Fabrication and Assembly Project

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