What is the material and finish of the screws?

The material is Carbon Steel with a Black Oxide finish.

Where is the company located?

We are based in Shanghai, China.

Hight Quality Customized Carbon Steel Hex Socket Head Screws Black Oxide

Name: Hight Quality Customized Carbon Steel Hex Socket Head Screws Black Oxide
Brand: Shanghai Soverchannel Industrial Co., Ltd.
SKU: 2239717985

Shanghai, ChinaShanghai Soverchannel Industrial Co., Ltd.

US$0.09

5,000 Pieces

Sample price:US$0.09/piece.Request sample

Product profile

Material

Carbon Steel

Type

Hexagon Head

Groove

Hexagon

Model NO.

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB

Grade

8.8

Product Name

Set Screw Size Cusomized

Model Number

E123 Material Customized

Color

Customer Requirements

Transport Package

Carton&Pallet

Specification

Trademark

SVC

Origin

Jiangsu

Key features

Customized Options: Supports customization from samples, designs, and flexible minor adjustments.

High Quality Material: Made of Carbon Steel with Black Oxide finish for durability and corrosion resistance.

Strict Quality Control: 100% visual and function inspection with pre-production samples and final checks.

Flexible MOQ: Minimum Order Quantity is just 1 pc, suitable for small batches and testing.

Fast Lead Time: Peak season delivery within 15 workdays; off-season delivery within one month.

Multiple Payment Terms: Accepts LC, T/T, D/P, and small-amount payments for flexible transactions.

Professional Manufacturer: Factory with 3 production lines, 15 employees, and advanced CNC machinery.

Global Standards: Products meet DIN, GB, and ANSI standards with metric fine thread options.

Company profile

High Repeat Buyers ChoiceFast DeliveryIn-stock Capacity100% Finished Products Inspection

Shanghai Soverchannel Industrial Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a trade company, with a registered location in Shanghai while its physical address is in Haian, Nantong, Jiangsu. It reports extensive equipment and broad customization capabilities, and finished-product inspection instructions are uniformly followed. Quality assurance is indicated, but service-management controls are weak: no written procedures or records were reported for supplier-service assessment, corrective and preventive actions, or customer complaints, and no approved-supplier list exists. Certification evidence is limited to CE, while no factory environmental impact assessment report is available. The supplier reports no available SDK for R&D. Financial information is represented only by years, without sufficient evidence to assess credibility. No customer cases are provided.

CertificationsThe supplier reports CE certification capability. However, it also states that no factory environmental impact assessment report is available, so the evidence supports only limited certification coverage rather than comprehensive compliance.

After-Sales capabilityThere are no written procedures or records for effective supplier-service assessment, corrective and preventive actions, or customer complaint handling, and no approved supplier list is maintained. These explicit gaps indicate weak documented after-sales and service-management capability.

Production capacityThe supplier lists manufacturing-related equipment including blasting, CNC, cold heading, pickling, punching, spheroidizing annealing, threading, and wire drawing machines. This supports a broad apparent fastener-processing capability, although the company is also classified as a trade company and no capacity metrics are provided.

Customization capabilityThe supplier explicitly reports customization from samples, designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization support.

Product Q&A

Q:What is the minimum order quantity?

The minimum order quantity is 1 pc.

Q:What customization options are available?

We support customization from samples, designs, full customization, minor customization, and flexible customization.

Q:What is the lead time for production?

Peak season lead time is within 15 workdays, and off-season lead time is one month.

Q:What payment terms do you accept?

We accept LC, T/T, D/P, and small-amount payments.

Q:How do you guarantee product quality?

We always provide a pre-production sample before mass production and conduct a final inspection before shipment. Finished products undergo 100% visual and function inspection.