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We use professional inspection machines and conduct 100% visual and function inspections on finished products.

Stainless Steel Screw with Black

Name: Copper Coating Countersunk Hex Socket Machine Screw/Steel Screw/Stainless Steel Screw with Black
Brand: Shanghai Kinsom Precision Hardware Co., Ltd.
SKU: 933288045

Shanghai, ChinaShanghai Kinsom Precision Hardware Co., Ltd.

US$0.01-1.00

50,000 Pieces

Sample price:US$60.00/bag.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Countersunk Head

Groove

Hexagon

Connection

Common Bolt

Head Style

Counter Sunk Bolt

Standard

DIN, GB

Grade

4.8

Transport Package

Standard Packaging

Specification

M4 M5 M6 M8

Trademark

custom label

Origin

Shanghai China

Production Capacity

1000000PCS/Week

Key features

Custom Packaging & Branding: Supports custom labels, logos, neutral packaging, and specific paperwork for reselling.

OEM & ODM Service: Provides full customization from samples, designs, and flexible minor adjustments.

High-Quality Materials: Available in Carbon Steel, Stainless Steel, and Copper Coating with various finishes.

Professional Quality Control: 100% visual and function inspection with professional cold forging and threading machines.

Strong Shipping Protection: Carton box and pallet packaging ensures goods protection during shipping.

Wide Application Standards: Meets DIN and GB standards with Grade 4.8, suitable for various industrial needs.

Company profile

Quality Assurance100% Finished Products InspectionQA/QC InspectorsFull Customization

Shanghai Kinsom Precision Hardware Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company, Group Corporation CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2014-02-18 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is a manufacturing-oriented fastener and precision-machining supplier rather than a professional technical or 3D software design provider. It offers broad customization, including sample-based, design-based, full, minor, and flexible customization, and operates more than 10 production lines with multiple machining and forming machines. Finished-product inspection instructions are uniformly followed, with quality assurance and raw-material traceability identified. However, the supplier has no written procedures or records for supplier-service assessment, corrective and preventive actions, or customer complaint handling. It has no overseas agents, branches, warehouse, showroom, or offline trade-show participation. Financial records are indicated for 2022–2024, but no assessable financial results are provided. Innovation evidence is limited: no new products were reported in the past year, although ODM services are available. No certification or customer-case evidence is provided.

After-Sales capabilityThe supplier has in-stock service capacity and states that quality assurance and raw-material traceability are in place. However, it has no written procedures or records for corrective and preventive actions or effective customer-complaint handling, and it has no overseas agents, branches, warehouse, or showroom, limiting documented after-sales support infrastructure.

R&D capabilityThe supplier reports no new products during the past year, no SDK availability, and no professional technical-supplier or 3D software-design capability. It does provide ODM services and has one year of total R&D engineer experience reported, but the overall evidence does not demonstrate strong ongoing innovation capacity.

Production capacityThe supplier operates more than 10 production lines and lists diverse forming, machining, drilling, grinding, and cutting equipment for nails, screws, bolts, and CNC parts. It reports in-stock capacity, one-month average lead times in both peak and off-season periods, uniformly followed finished-product inspection instructions, and 11 years of export experience. However, it lacks a valid manufacturing-capacity contract with associated subcontractors, so the evidence supports substantial production capability but not fully controlled outsourced capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from customer designs, full customization, minor customization, and flexible customization. ODM service is also available, providing direct evidence of broad product customization capability despite the absence of 3D software design services.

Product Q&A

Q:What materials are available for these screws?

The screws are available in Carbon Steel, Stainless Steel, and Copper Coating.

Q:Can I customize the packaging and branding?

Yes, we offer custom labels, logos, neutral packaging, and specific paperwork like invoices and packing lists.

Q:What is the lead time for orders?

The average lead time is one month for both peak and off-season periods.

Q:Do you provide OEM services?

Yes, we welcome OEM services and provide customized sizes, finishes, and details for cold forging fasteners.

Q:What payment terms do you accept?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.

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Copper Coating Countersunk Hex Socket Machine Screw/Steel Screw/Stainless Steel Screw with Black