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GR-4014
GORUN
M5.5 Nylon Hex Head Roofing PVC Washer Yellow Zinc Self Drilling SEMS Screws
Engineered for efficiency and durability, these self-drilling screws incorporate a penetrating drill-point tip and sharp thread-forming edges, enabling direct installation into metal or wood without prior hole preparation.
Easily identifiable by their flute (notch) tip, these screws offer rapid self-tapping performance.
The nylon hex head construction provides non-magnetic behavior and chemical resistance to solvents, petroleum oils, and greases.
Versatile for joining general angle steel, channel profiles, iron sheets, and PC Boards in metal-to-metal assemblies. Essential components in steel roof framing, automotive bodywork, container manufacturing, marine vessel construction, and freezing systems.
Perfect for applications involving metal plates, galvanized sheets, exterior curtain wall , interior lighting compartments, aluminum window frames, and aesthetic decorative projects.
The Yellow Zinc surface treatment withstands environmental stressors, prolonging service life in challenging installations.
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.
Secure Transactions
To enhance safety, we operate on MAKE IN CHINA 
(Link: https://screw-manufacturer.en.made-in-china.com/
Ready to Start?
Contact us now for a quote or sample. No matter where you're from!
M5.5 Nylon Hex Head Roofing PVC Washer Yellow Zinc Self Drilling SEMS Screws
Engineered for efficiency and durability, these self-drilling screws incorporate a penetrating drill-point tip and sharp thread-forming edges, enabling direct installation into metal or wood without prior hole preparation.
Easily identifiable by their flute (notch) tip, these screws offer rapid self-tapping performance.
The nylon hex head construction provides non-magnetic behavior and chemical resistance to solvents, petroleum oils, and greases.
Versatile for joining general angle steel, channel profiles, iron sheets, and PC Boards in metal-to-metal assemblies. Essential components in steel roof framing, automotive bodywork, container manufacturing, marine vessel construction, and freezing systems.
Perfect for applications involving metal plates, galvanized sheets, exterior curtain wall , interior lighting compartments, aluminum window frames, and aesthetic decorative projects.
The Yellow Zinc surface treatment withstands environmental stressors, prolonging service life in challenging installations.
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.
Secure Transactions
To enhance safety, we operate on MAKE IN CHINA
(Link: https://screw-manufacturer.en.made-in-china.com/
Ready to Start?
Contact us now for a quote or sample. No matter where you're from!
