| Customization: | Available |
|---|---|
| Material: | 304 Stainless Steel and Harden Carbon Steel |
| Type: | Hexagon Head |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Te bi-metal thin-sheet screw with EPDM sealing washer is used in the solar industry, in hall construction.
Self-tapping bi-metal bit for precise positioning. the 304 stainless steel base body is welded to a hardened carbon steel tip.
no annoying drilling chips between the component and the EPDM seal,
| Name | Hex Washer Head With EPDM Sealing Washer Self-Tapping Screw |
| Steel Material | 304 stainless steel and harden Carbon Steel |
| Shape of Head | Hex Washer Head |
| Length | 19-300mm |
| Specification | M8 M10 M12 |
| Surface Treatment | Hot Galvanized, Black, Color-Zinc, Blue White Zinc,Dacromet |
| Certification | ISO, ISO9001 |
| Class/Grade | 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 |
| Application | For Solar Industry, Hall Construction |
A: Yes! Customization is our specialty. We offer tailored solutions for unique head shapes, thread types, lengths, and materials. Just share your drawings or samples, and we'll handle the rest.
---
2. Q: What's the minimum order quantity (MOQ)?
A:We understand small orders! Our MOQ starts from 100,000 pieces for standard screws and can go lower for bulk orders or special cases. Let's discuss your needs!
---
3. Q: How long does it take to deliver my order?
A: Standard orders ship within 15-25 days, depending on complexity. Urgent orders? Contact us for expedited production .
---
4. Q: What surface treatments do you provide?
A:We offer Dacromet, Galvanizing, Phosphating, Black Oxide, Powder Coating, and more. Need something special? Just ask-we're flexible!
---
5. Q: Can you use rare or special materials?
A:Absolutely! We work with 304/316 stainless steel, carbon steel, brass, aluminum, titanium, and niche alloys. Specify your requirements-we've got you covered.
---
6. Q: Are your screws compliant with international standards?
A:Yes! We manufacture to GB, ANSI, DIN, JIS, BSW, and other global standards.
---
7. Q: How do you ensure product quality?
A:Our Taiwan-trained engineers oversee production, and every batch undergoes 100% QC checks for dimensional accuracy, torque resistance, and corrosion resistance. We also provide free samples for testing.
---
8. Q: Why should I choose your company?
A: Here's why 80% of our clients reorder:
*Ultra-low MOQ for startups and small businesses
*Fast delivery (Taiwanese tech + efficient workflows)
*Zero hidden costs(transparent pricing)
*98% customer satisfaction rate
---
9. Q: Do you provide after-sales support?
A: Definitely! Our team is available 24/7 to resolve issues.
---
10. Q: How do I place an order?
A: Simple! Just:
1. Share your design/specs via email or leave us message .
2. Confirm pricing and MOQ
3. Pay a 30% deposit
4. Sit back and receive your screws on time!
){kind=link}