Are your screws compliant with international standards?

Yes! We manufacture to GB, ANSI, DIN, JIS, BSW, and other global standards.

Why should I choose your company?

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

Do you provide after-sales support?

Definitely! Our team is available 24/7 to resolve issues.

How do I place an order?

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!

Durable Full Thread Hex Washer Screws for Metal Roofing Projects

Name: Durable Full Thread Hex Washer Screws for Metal Roofing Projects
Brand: Dongguan Gorun Hardware Products Factory
SKU: 2210288065

Guangdong, ChinaDongguan Gorun Hardware Products Factory

US$0.005-0.01

20,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Hex Washer Head

Model NO.

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9

Shipment

EXW,Fob,CIF

R&D Capacity

OEM;Own Brand;ODM;Others

Business Type

Manufacturer/Factory

Delivery Time

3-10 Working Days

Application

for Metal Roofing and Siding to Steel Structures

Transport Package

20-25kg/Cartons+900kg/Palletsplastic Bag

Specification

Customized

Origin

China

HS Code

7318159090

Key features

Self-Drilling Tip: Features a self-drilling tip for quick and secure installation on metal roofing and siding.

Corrosion Resistance: Electro-galvanized finish combined with EPDM washer ensures durability in tough environments.

Wide Grade Range: Available in grades 3.6 to 12.9 to meet diverse strength requirements.

Customization Support: Offers tailored solutions for unique head shapes, thread types, lengths, and materials.

International Standards: Manufactured to comply with GB, ANSI, DIN, JIS, BSW, and other global standards.

Strict Quality Control: 100% QC checks for dimensional accuracy, torque resistance, and corrosion resistance.

Flexible MOQ: Standard MOQ starts from 100,000 pieces, with lower options for bulk or special cases.

24/7 Support: Dedicated team available around the clock to resolve customer issues.

Company profile

Fast DeliveryQuality AssuranceR&D CapabilitiesManagement Certification

Dongguan Gorun Hardware Products Factory

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2007-05-01 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤8.40h

About Our Factory & Business Background

AddressDongguan, Guangdong, China

Plant Area1100 square meters

Number of Employees16

Registered Capital100,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSelf-Driing Screw, Self-Tapping Screw, Custom Screw, Pan Head Screw, Fasteners Screws, Roofing Screw, Torx Screw, Stainless Steel Screw, China Screw, Drywall Screw

Production Lines12

Production MachinesCold header, Self-driing screw forming machine, Thread rolling machina, Grinder, Lathe

Inspection Type for Finished ProductsRandom inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instruction but no written records

R&D Engineers2 people

Traceability of Raw MaterialsYes

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2007-10-22

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Repeat Buyers Choice80%~100%

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015

Cooperated with Fortune 500No

Product Q&A

Q:Do you accept custom screw orders with specific requirements?

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.

Q:What's the minimum order quantity (MOQ)?

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!

Q:How long does it take to deliver my order?

Standard orders ship within 15-25 days, depending on complexity. Urgent orders? Contact us for expedited production .

Q:What surface treatments do you provide?

We offer Dacromet, Galvanizing, Phosphating, Black Oxide, Powder Coating, and more. Need something special? Just ask-we're flexible!

Q:Can you use rare or special materials?

Absolutely! We work with 304/316 stainless steel, carbon steel, brass, aluminum, titanium, and niche alloys. Specify your requirements-we've got you covered.