How do you ensure quality?

We conduct sampling testing at various production stages and complete all inspections before packaging.

How can I get a sample to check quality?

After price confirmation, samples are free for 1-3 similar products (freight charged). For small-scale production, sample costs are charged but refundable after order confirmation exceeding MOQ.

What are your payment terms?

For payments <= 5000 USD, 100% in advance. For payments >= 5000 USD, 30% in advance with the balance before shipment.

How long is the production lead time?

Normally about 15 days for production, depending on product and order quantity. We ship ASAP while ensuring quality.

Can you ship products to my country?

Yes, we can. If you do not have your own freight forwarder, we can help you arrange shipping.

China Supplier Black Oxide DIN 7991 Grade 12.9 Hexagon Socket Flat Head Cap Screws Bolt

Name: China Supplier Black Oxide DIN 7991 Grade 12.9 Hexagon Socket Flat Head Cap Screws Bolt
Brand: Shanghai Gentle Fasteners Technology Co.,Ltd.
SKU: 798548332

Shanghai, ChinaShanghai Gentle Fasteners Technology Co.,Ltd.

US$0.001-0.005

10,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Countersunk Head

Groove

Socket

Connection

Common Bolt

Head Style

Counter Sunk Bolt

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

8.8

Service

Customized

OEM

Yes

Self-Design

Yes

Delivery Time

20-50days

Transport Package

26 * 26 * 10 Cartons in Bulk

Specification

M5 X 10

Trademark

SH or OEM

Origin

Made in China

HS Code

7315189001

Production Capacity

220mpieces/Year

Key features

30+ Years OEM/ODM Experience: Over three decades of customized and OEM/ODM manufacturing expertise.

Full Customization Support: Customizable material, size, grade, surface, head, driver, logo, and package.

Wide Material & Grade Range: Carbon steel, stainless steel, brass, etc. Grades 4.8 to 12.9 available.

Diverse Surface Treatments: Options include Black Oxide, Zinc Plated, Dacromet, HDG, and Greencate.

ISO9001 & TUV Certified: Manufacturing process certified by ISO9001 and TUV for quality assurance.

Low MOQ Acceptance: Minimum Order Quantity is just 1 piece, supporting small orders.

Fast Production Lead Time: Normal production time is approximately 15 days, shipped ASAP.

Professional Technical Support: Free design drawings and improvement plans for existing products.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-branded

Shanghai Gentle Fasteners Technology Co.,Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company based in Minhang District, Shanghai, with stated equipment, metal-product, packaging-material, electronic-product, machinery, software, and related sales activities. It reports export activity for three years, self-operated import/export rights, and exports representing 51%–70% of total sales, with markets in Southeast Asia, the Middle East, East Asia, and Europe. The supplier states that it provides 3D software design, ODM, OEM for well-known brands, and multiple customization options, and reports new products in the past year. Service procedures for corrective and preventive actions and customer complaints are documented and followed. However, quality-assurance status is unknown; no overseas showroom, overseas agent or branch, or offline trade-show participation is reported. Production information is inconsistent across slices, and no certification holdings or customer case details are provided.

Supplier typeThe supplier is explicitly classified as a trading company, with its company nature also stated as a trading company. Its listed activities include trading, sales, technical services, and export-related business rather than an explicitly documented manufacturing identity.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and for handling customer complaints. However, it reports no overseas showroom, overseas agent or branch, or offline trade-show participation, so the evidence supports complaint-process capability but not broad overseas service coverage.

R&D capabilityThe supplier reports R&D-related capabilities including 3D software design, ODM services, and new products during the past year. It also states that no SDK is available, but this is a specific limitation and does not negate the documented broader innovation capabilities.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, directly supporting a broad customization offering.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of brand-related customer experience. No named customers, project examples, or independently detailed case records are provided.