Double-Coat Phosphated Hex Head Self-Tapping Weatherproof Roofing Screws

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Double-Coat Phosphated Hex Head Self-Tapping Weatherproof Roofing Screws

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Product Description

Overview

Hex washer head self drilling screw roofing screw with EPDM bounded washer

Premium roofing connection solution featuring high-quality carbon steel or stainless steel construction with specialized Ruspert or Zinc finish for superior weather resistance.

Groove

Hex Washer Head

Standard

DIN, GB, GOST

Grade

4.8

Finish

Ruspert

Application

Roofing Connection

Washer

EPDM Bounded Washer

Specification

4.2 to 6.3 mm

Origin

China

Capacity

10000 T/ Year

Product Description

Thickness Size	4.2, 4.8, 5.5, 6.3mm
Length	12MM-200MM
Material	Carbon steel C1022A, SS410
Thread	Type A, Type B, Type C, Double thread
Finish	Zinc plated, Ruspert, Baking paint, Epoxy plating
Quality	High-quality raw material, strict quality control
Packing	Bulk bag, Bulk carton, or customized color box

Detailed Photos

Packaging & Shipping

Packing Types:

✅ Bulk packing in woven bags
✅ Bulk packing in cartons
✅ Plastic bags with outer cartons
✅ Customized color print boxes and logos

Manufacturing Capability

Integrated company for fastener manufacture and export with over 10,000 square meters of production area. Equipped with 200+ sets of automatic production machinery including:

Wire drawing machines
Cold-heading machines
Thread rolling machines
Heat-treatment lines

Annual production capacity reaches up to 20,000 tons, ensuring stable supply and competitive pricing for global markets.

Frequently Asked Questions

Q1 Why choose our fastener products?

We offer over 10 years of experience in fastener manufacturing and export, providing professional service, turnkey solutions, and top-tier quality control.

Q2 Are OEM and ODM services available?

Absolutely. We support both OEM and ODM requirements to meet your specific design and branding needs.

Q3 What are the available payment terms?

We accept a variety of payment methods including T/T, Western Union, Money Gram, Credit Card, Paypal, and L/C.

Q4 Can I conduct an online factory or video inspection?

Yes, we fully support online factory visits and video inspections before shipment to ensure transparency and quality.

Q5 What is the Minimum Order Quantity (MOQ)?

Our standard MOQ is 1 ton per size. Sample orders are also welcome for quality testing.

Q6 What shipping options are available?

Customers can choose from sea freight, air freight, or international express delivery based on their urgency and budget.

Product Detail

Double-Coat Phosphated Hex Head Self-Tapping Weatherproof Roofing Screws

Product Description

Hex washer head self drilling screw roofing screw with EPDM bounded washer

Related Products

Product Detail

Double-Coat Phosphated Hex Head Self-Tapping Weatherproof Roofing Screws

Product Description

Hex washer head self drilling screw roofing screw with EPDM bounded washer

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