Jinrun Launches Painted Hex Washer Head Self Drilling Screw with EPDM Washer for Demanding Assembly Environments
Haiyan Jinrun Metal Products Co., Ltd., a professional fastener manufacturer based in Haiyan, Zhejiang, has introduced its Painted Hex Washer Head Self Drilling Screw with EPDM Washer. This product combines electroplating, an assembled EPDM washer, and head painting to deliver reliable sealing, corrosion resistance, and high torque performance. The non-slip hex head design allows for greater torque transmission, making it easier to use with screwdrivers or electric wrenches. The spray-painted finish is available in multiple models and can be customized to meet specific customer requirements.
Product Features and Benefits
• Enhanced sealing: The EPDM washer provides a watertight seal, reducing the risk of leaks and corrosion in outdoor or humid applications.
• High torque capacity: The non-slip hex washer head withstands greater torque, improving assembly efficiency and reducing cam-out.
• Customizable appearance: Painted heads are available in various colors, allowing for color coding or aesthetic matching.
• Versatile use: Ideal for automotive manufacturing, electronic equipment assembly, and general construction where fast, secure fastening is essential.
Specifications
| Standard | Diameter | Length |
|---|---|---|
| IFI | #6-20, #8-18, #10-16, #12-14, #14-14 | 1/2” – 6” |
| DIN7504K | ST3.5, ST4.2, ST4.8, ST5.5, ST6.3 | 13 – 150 mm |
Company Background
Haiyan Jinrun Metal Products Co., Ltd. was founded in 2007 and has grown into a family business operating a 3,000-square-meter factory with over 50 employees. The company runs more than 80 production lines, including forming, tail clamping, rolling, and stamping equipment, supported by testing equipment such as hardness machines, torque testers, salt spray chambers, and tensile machines. Annual production reaches 10,000 tons, with 80% of products exported to North America, South America, Europe, Southeast Asia, and other regions. Jinrun specializes in self-drilling screws, drywall screws, chipboard screws, self-tapping screws, stainless steel screws, stamping parts, hexagon nuts, thread rods, and hexagon bolts. Standard parts are produced according to DIN and ASME standards, while non-standard items are manufactured from drawings or samples.
Quality Control and Service
Jinrun conducts regular sampling inspections during production and performs final size, mechanical property, and packaging checks before shipment. The company maintains a quality-first approach, with 5 inspectors dedicated to testing. Heat treatment and surface treatment are handled by outside processing factories, while all products can be supplied with test reports. Packing styles include bulk, small boxes, or color boxes according to customer requirements. The MOQ is 500 kg per size, delivery time is approximately 60 days, and payment terms are T/T with 30% advance and 70% against B/L copy.
Conclusion
To request a free sample or quotation for Jinrun’s Painted Hex Washer Head Self Drilling Screw with EPDM Washer, contact our sales team today. We reply promptly and support custom orders. Reach out now to discuss your fastening needs.
