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Black/Grey Drywall Screws with Fine /Coarse Thread
US$930.00-980.00
5 Tons
Product profile
Material
Carbon SteelType
Bugle HeadGroove
CrossConnection
Common BoltHead Style
Bugle HeadStandard
GBGrade
PerfectTail
Self-Drilling/Self-TappingThread
Fine Thread / Coarse ThreadSurface Treatment
Zinc Plated/Nick Plated/Black PhosphatedApplication
Wood, Drywall, Gypsum BoardTransport Package
500g/Bag, 1kg/Bag, 5kg/Box, or Bulk N.W.20kgs/CTNSpecification
All size, M3.5X13-M4.8X200 / 6#x5/8~ 14#X3''Trademark
GRANDMETALOrigin
ChinaHS Code
73170000Production Capacity
1000tons Per MonthKey features
Customizable Thread & Tail: Offers self-drilling/tapping tails and fine/coarse thread options.
Surface Treatment Options: Available in Zinc Plated, Nick Plated, or Black Phosphated finishes.
OEM Service Available: Supports OEM customization from customer samples.
High Corrosion Resistance: Salt mist test duration ranges from 24 to 1000 hours.
Wide Size Range: Lengths from 11-150mm and diameters M3.5-M6.3/#6-#14.
Quality Certified: Products hold CE, SGS, and ISO certifications.
Professional Packaging: Includes desiccant bags to prevent rust during container shipping.
Mixed Model Shipping: Allows mixing different models in one container above MOQ.
Company profile
CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 10 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.32h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryThe supplier presents itself as a specialized steel manufacturer and exporter with four production lines, 50 quality-control staff, and export markets in South America, Africa, and Australia. It reports customization from samples and lead times within 15 working days in both peak and off-season periods. However, the investigation identifies limited documented management evidence: no stated 3D design, ODM, SDK, or popular-brand OEM capability; no inventory, overseas warehouse, overseas showroom, overseas agent, or branch capability; and no participation in offline trade shows. Supplier-management, corrective-action, and complaint-handling procedures exist but lack written records, while quality-control testing equipment is reported as zero. Certification details are recorded only as “Others,” and the financial slices contain zero values for several recent indicators, making financial credibility difficult to verify.
Supplier typeThe supplier is explicitly described as a specialized steel manufacturer with an integrated research, manufacturing, and distribution system, while another slice states it is not a professional technical supplier. This supports classification as a steel manufacturing/export supplier rather than a professional technical-services supplier.
R&D capabilityThe supplier claims technical research strength and product-detection equipment, but the investigation records only one year of total R&D-engineer experience, no new products in the past year, and no 3D software design, ODM, SDK, or popular-brand OEM capability. The evidence shows limited demonstrated innovation capability.
Production capacityThe supplier reports four production lines, 50 quality-control staff, and a specialized steel manufacturing operation, with lead times within 15 working days in both peak and off-season. However, quality-control test equipment is reported as zero, and quality assurance and traceability statuses are unknown, so production capacity is supported but production-control maturity is not fully established.
Customization capabilityThe supplier explicitly provides customization from samples and accepts several quotation and payment terms, indicating an ability to support sample-based customization. No broader engineering, 3D-design, ODM, or SDK capability is reported.
Product Q&A
Q:Do you have your own production factory?
A:
Yes, we not only have our own factory, also have a cooperative relationship with more than fifty factories in China
Q:Can you send us samples?
A:
If you need, we are willing to send you the sample to test the quality and market.
Q:About your products, could you do it OEM?
A:
Yes, OEM service is available.
Q:What's the delivery time?
A:
It usually takes about 20-30 working days to produce one order.
Q:How is the payment terms?
A:
Normally T/T 30% in advance and T/T 70% before shipment.
Send Inquiry
*To:TIANJIN GRAND METAL CO., LTD.
TIANJIN GRAND METAL CO., LTD.*Content:
Supplier replies will be sent to your registered email
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