What is your payment term?

For payments <=5000USD, 100% in advance. For >=5000USD, 30%-70% T/T in advance, with the balance paid before shipment.

What is your packing method?

Standard packing is bulk in cartons (20-25kgs/carton, 36 cartons/pallet). We can also pack according to your specific requirements.

Do you have after-sales service?

Yes, you can contact us anytime. We ensure good protection to avoid quality issues. If there is transport damage or quality issues, please take pictures and contact us immediately for resolution.

Roofing Screw for St4.2 St4.8

Name: Stainless Steel A2/A4 Hex Indent Washer Head Drives Self Tapping Drilling Screw/Roofing Screw for St4.2 St4.8
Brand: Zhejiang Unit Hardware Products Co.,Ltd
SKU: 2065372472

Zhejiang, ChinaZhejiang Unit Hardware Products Co.,Ltd

US$0.012

100,000 Pieces

Sample price:US$50.00/bag.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Shape of Head

Hexagon

Model NO.

4.8x13 to 6.3x125

Surface Finishing

Plain

Certification

ISO, GS, RoHS, CE

Customized

Non-Customized

Transport Package

Uie

Specification

4.8x13 to 6.3x125

Trademark

UIE

Origin

Zhejiang China

HS Code

7318140001

Production Capacity

10000000

Key features

Premium Material Options: Available in Stainless Steel 304, 316, and 410 for diverse corrosion resistance needs.

Wide Size Range: Sizes ST4.2-ST6.3 with lengths from 19mm to 150mm to fit various applications.

Strict Quality Certification: Certified by ISO, ROHS, SGS, GS, and CE standards for reliability and safety.

Versatile Application: Ideal for building industry, machinery, aluminum roofing, and sheet metal assembly.

Flexible Customization: Accepts custom drawings for surface treatment, material, quantity, and logo printing.

Professional Manufacturer: Factory with over 20 years of manufacturing experience in stainless steel fasteners.

Secure Packaging: Standard packing in cartons and pallets with belt and film for safe transport.

Fast Delivery: 5-10 days for stock items; 15-20 days for custom orders depending on quantity.

Company profile

Zhejiang Unit Hardware Products Co.,Ltd

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2008-12-31Nearest Port: SHANGHAI OR NINGBOAverage Response Time: ≤5.98hTerms of Payment: T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryZhejiang Unit Hardware Products Co.,Ltd is identified as a China-based private limited company and is described inconsistently as both a manufacturer/factory and a trading company. It offers hardware products, provides OEM services for well-known brands, and reports substantial production capacity across rivet nuts, stainless steel fasteners, and brass fasteners. Export sales account for 90%, with six years of exporting experience. The supplier reports ISO 9000, ISO 9001, and ISO 20000 certifications, but the validity and scope are not provided. Innovation evidence is weak because no new products were launched in the past year and no SDK is available. Customization is available, mainly flexible or minor customization. After-sales procedures exist for complaints and corrective actions, but no written records were provided, while quality-test equipment is reported as zero. Financial information is limited to year references, so financial credibility cannot be determined. No specific customer cases are...

CertificationsThe supplier reports holding ISO 9000, ISO 9001, and ISO 20000 management-system certifications. However, the slices do not provide certificate numbers, validity periods, or certification scopes, so the reported holdings are evidence of certification but cannot be further validated.

R&D capabilityThe supplier reports 21–30 years of total R&D engineer experience, but it has no available SDK and launched no new products during the past year. These explicit limitations outweigh the available R&D staffing information for assessing demonstrated innovation performance.

Production capacityThe supplier reports annual capacities of 5,000 tons of rivet nuts, 10,000 tons of stainless steel screws, 9,600 tons of stainless steel bolt nuts, 2,500 tons of brass screws, and 3,500 tons of brass bolts and nuts. It is also identified as a manufacturer/factory, providing explicit evidence of production capability.

Customization capabilityThe supplier explicitly offers flexible customization and minor customization services. This supports the ability to accommodate at least limited product modifications, although the scope of customization is not fully defined.

Product Q&A

Q:Are you a manufacturing company or trading company?

Our factory is specialized in manufacturing Stainless steel and Brass fasteners for more than 20 years, and our sales company has exporting experience for more than 15 years.

Q:Do you accept small orders?

Yes, we accept small orders to provide more convenience to our clients. Please feel free to contact us.

Q:How can I get a sample to check your quality?

After price confirmation, you can request samples. Stock samples are free, but freight is collect. For custom samples, a fee applies based on craftwork.

Q:How can I customize my products?

Attach your drawings with details (surface, treatment, material, quantity, etc.). We can also print your logo upon request with a Brand Authorization Letter.

Q:How long is your delivery time?

Generally 5-10 days if goods are in stock. If not in stock, it takes 15-20 days, depending on the quantity.

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Stainless Steel A2/A4 Hex Indent Washer Head Drives Self Tapping Drilling Screw/Roofing Screw for St4.2 St4.8