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Home / Product Category / Screw / Self Drilling Screw / 5.5×13mm Dacromet Hex Head PVC Washer Self tapping SEMS Screws

5.5×13mm Dacromet Hex Head PVC Washer Self tapping SEMS Screws

These 5.5×13mm Hex Head SEMS screws feature a sharp drill point and smooth thread for fast, easy installation with low resistance. Made from high-strength carbon steel, they are treated with Dacromet or zinc plating for excellent anti-corrosion protection. Supplied with transparent PVC washers for indoor use or cost-effective projects. Customizable with EPDM washers, powder coating colors, and various packaging. Ideal for general assembly requiring durability and precision.
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  • GR-4019

  • GORUN

5.5×13mm Dacromet Hex Head PVC Washer Self tapping SEMS Screws


These 5.5×13mm Dacromet Hex Head Self-tapping SEMS Screws are designed for fast, efficient assembly. 


The carbon steel material ensures high tensile strength, while the sharp drilling point allows for easy penetration into various substrates, significantly reducing installation time. 


Featuring a smooth thread design, these screws offer low driving resistance, preventing stripping during use.

The screws come pre-assembled with transparent PVC washers, ideal for indoor applications or cost-sensitive projects. 


This washer provides a secure seal and prevents the head from damaging the surface. For superior protection against rust and corrosion, the surface is treated with durable Dacromet coating, though standard zinc plating is also available. 


The hex head design allows for high torque application. 

We also offer customization options, including EPDM washers for waterproofing, different colored powder coatings, and custom packaging to suit your specific needs.



ISO,CE,SGS


Why Choose Our Factory?


✅ Direct Manufacturer, No Middleman
We are a certified direct factory, not a trading company. This means faster production, better pricing, and direct communication.

✅ ISO 9001 Certified
Our factory meets international quality standards. Every step—from material sourcing to shipping—is strictly controlled.

✅ CE & RoHS Compliant
All our screws are CE & RoHS certified, ensuring they meet EU environmental and safety requirements.

✅ SGS-Audited Supplier
An independent agency (SGS) has verified our factory’s credibility. You can trust our production capacity and ethical practices.


Your Benefits with GORUN SCREW
✔ Flexibility: Customize any detail, even small orders.
✔ Reliability: Proven quality systems and certifications.
✔ Transparency: Full traceability from factory to shipment.


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(Link: https://screw-manufacturer.en.made-in-china.com/


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GORUN Screw was established in Dongguan, Guangdong Province. Over the years, we have expanded our services to supply custom screw products to overseas factories and chain retailers worldwide.

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   Building C, No. 6 Yunchang Road, Dongshan Industrial Area, Qishan Town, Dongguan City, Guangdong Province, China.

   +86-18680257330
   eric.wu@wakfenn.com

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