+86-18680257330
+8618680257330
Dongguan, Guangdong Province
Dongguan, Guangdong Province
+86-18680257330
| Availability: | |
|---|---|
| Quantity: | |
GR-2033
GORUN
Dacromet Hex Washer Head Self Drilling Double Thread Sandwich Panel China Screw
Double threaded or Sandwich panel screws are specialized fastening solutions designed exclusively for roofing panel applications.
Ideal for securing diverse exterior roofing materials in sandwich panel systems, these screws feature drilling capabilities optimized for steel-on-steel connections.
Optional steel or aluminum washers are available to enhance stability and corrosion resistance, ensuring long-term structural integrity in challenging environments.

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!
Dacromet Hex Washer Head Self Drilling Double Thread Sandwich Panel China Screw
Double threaded or Sandwich panel screws are specialized fastening solutions designed exclusively for roofing panel applications.
Ideal for securing diverse exterior roofing materials in sandwich panel systems, these screws feature drilling capabilities optimized for steel-on-steel connections.
Optional steel or aluminum washers are available to enhance stability and corrosion resistance, ensuring long-term structural integrity in challenging environments.

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!
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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