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Zinc Plated Galvanized Phillips Wafer Head Hex Head Pan Head Roofing Screw
US$0.05-0.39
10,000 Pieces
Sample price:US$0.50/piece.Request sample
Product profile
Customization
AvailableMaterial
Stainless steel 304 316, carbon steel, alloy steelShape of Head
Hex Head, Flat Head, Pan Head, Round Head, Hex WasModel NO.
Self Drilling Screw 133Surface Finishing
Polish, Plain, Galvanized (Various of color), PainCertification
ISOCustomized
CustomizedGrade
4.8-12.9Sample
AvailableTesting Report
AvailableStandard
International/CustomizedInspection
Third Party/SGS ReportApplication
Light Steel KeelHead Mark
AvailableTransport Package
RequiredSpecification
ST4.8*16Trademark
TSR/TsingriOrigin
ChinaHS Code
7318159090Production Capacity
500tons/MonthKey features
Wide Material Selection: Available in Stainless Steel 304/316, Carbon Steel, Alloy Steel, and Customized Materials.
Customized Head Shapes: Offers Hex Head, Flat Head, Pan Head, Round Head, and Hex Washer options.
Versatile Surface Finishing: Includes Polish, Plain, Galvanized (various colors), Paint, Dacromet, and Ruspert.
Self-Drilling Capability: Features sharp #3 drill point and deep tapping thread for strong locking force.
Fast Delivery Options: In-stock items ship within 7 days; customized orders take 15-30 days.
ISO Certified Quality: Manufactured with ISO certification and third-party inspection reports available.
OEM/ODM Services: Full customization from designs or samples with professional engineering support.
Comprehensive Testing: Equipped with salt spray, hardness, film thickness, and torque testing equipment.
Company profile
Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.52h
AI-Powered supplier vetting
SummarySuzhou Tsingri Fasteners Co., Ltd. is a China-based limited trading company established in 2023 with 13 employees and a broad fastener portfolio. It reports export activity, self-operated import/export rights, inventory capability, customization from designs and samples, and OEM service for well-known brands. Its stated product output includes multiple screw categories, while lead time during off-peak seasons is within 15 working days. However, quality-control evidence is weak: it reports fewer than five quality-control staff, no quality-testing equipment, unknown quality-assurance and traceability status, and no written procedures or records for corrective actions or complaints. An SGS audit is documented, but the reported evaluation result is 0 and the report expired in 2025. Financial records are referenced for 2021–2023, but no substantive financial assessment is provided. No SDK is available, and no overseas warehouse or showroom is provided.
CertificationsAn SGS audit was conducted, with a report period from May 14, 2024 to May 13, 2025, but the audit evaluation result is recorded as 0. The slices do not identify any active product or management certifications, and the audit report has expired.
After-Sales capabilityThe supplier states that customer emails are handled within 24 hours and that experienced engineers support service coordination. However, it has no written procedures or records for complaint handling or corrective and preventive actions, and it has no overseas warehouse or showroom, so formal and local after-sales infrastructure is not demonstrated.
Production capacityThe supplier reports output across self-drilling, roofing, bi-metal, and self-tapping screws, inventory capability, a 5,000-square-meter manufacturing area, a 3,000-square-meter warehouse, and 500 tons per month capacity, with off-peak lead time within 15 working days. These statements support operational capacity, although the supplier is also classified as a trading company and its manufacturing-capacity contract status is unknown.
Customization capabilityThe supplier explicitly reports customization from designs, samples, full customization, minor customization, and flexible customization. It also states that it provides OEM services for well-known brands, directly supporting broad customization and OEM capability.
Product Q&A
Q:What materials are available for these screws?
A:
We offer Stainless Steel 304/316, Carbon Steel, Alloy Steel, and other materials like Aluminum, Brass, and Copper upon request.
Q:Can I customize the head shape and size?
A:
Yes, we provide customized head shapes including Hex, Flat, Pan, and Round, as well as custom sizes like ST4.8*16mm.
Q:What is the lead time for customized orders?
A:
In-stock items are shipped within 7 days, while customized orders typically require 15-30 days for production.
Q:Do you offer free samples?
A:
Yes, we provide free samples, but the customer is required to pay the freight cost first.
Q:What certifications do your products have?
A:
Our products are ISO certified, and we can provide third-party inspection reports such as SGS upon request.
Send Inquiry
*To:
Suzhou Tsingri Fasteners Co., Ltd.
Suzhou Tsingri Fasteners Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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