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GR-4018
GORUN
M6.3*75 Blue Zinc Hex Head Self Drilling roofing SEMS Screw with Dome EPDM Washer
Built for reliability, this M6.2×75mm self-drilling roofing SEMS screw combines a hex head with a factory-attached EPDM dome washer for immediate waterproof sealing.
The carbon steel body ensures high tensile strength, while the precision-cut drill tip allows easy penetration into steel or resin sheets without pre-drilling.
The smooth thread design minimizes driving torque and prevents material splitting. Surface treatments like blue zinc or Dacromet enhance weather resistance.
The large EPDM washer conforms to the contour of corrugated roofing, providing a tight seal against rain and wind. Custom options include stainless steel construction, PVC washers, and varied packaging to meet your exact requirements.
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!
M6.3*75 Blue Zinc Hex Head Self Drilling roofing SEMS Screw with Dome EPDM Washer
Built for reliability, this M6.2×75mm self-drilling roofing SEMS screw combines a hex head with a factory-attached EPDM dome washer for immediate waterproof sealing.
The carbon steel body ensures high tensile strength, while the precision-cut drill tip allows easy penetration into steel or resin sheets without pre-drilling.
The smooth thread design minimizes driving torque and prevents material splitting. Surface treatments like blue zinc or Dacromet enhance weather resistance.
The large EPDM washer conforms to the contour of corrugated roofing, providing a tight seal against rain and wind. Custom options include stainless steel construction, PVC washers, and varied packaging to meet your exact requirements.
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!
