How to ensure the quality?

We will complete all inspections before packaging the product. Sampling testing is also carried out in various stages of production.

How can I get a sample to check your quality?

After price confirmation, you can require for samples to check our quality. If you accept 1-3pcs similar products in manufacturing as samples, the samples will be free and we will charge for the freight cost first. If you need samples for small-scale production, we will charge a sample cost first. But, these fees will be refundable after order confirmation, when your order quantity exceeds our MOQ.

What's your payment terms?

By T/T, Payment<=5000 USD, 100% in advance. Payment>=5000 USD, 30% in advance, balance before shipment.

How long is your production lead time?

It depends on product and order qty. Normally, we need about 15 days for production. On the premise of ensuring quality, we will ship the goods to you ASAP. Please feel free to contact us for detailed information.

Grade 8.8 Carbon Steel Black High Strength Countersunk Head Hexagon Socket Head Screws

Name: Grade 8.8 Carbon Steel Black High Strength Countersunk Head Hexagon Socket Head Screws
Brand: Shanghai Gentle Fasteners Technology Co.,Ltd.
SKU: 798546902

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, 10.9

Service

Customized

OEM ODM

Yes

Self-Design

Yes

Delivery Time

20-50days

Transport Package

26 * 26 * 10 Cartons in Bulk

Specification

M3-M20 / 8-100mm

Trademark

SH or OEM

Origin

Made in China

HS Code

7315189001

Production Capacity

220mpieces/Year

Key features

30+ Years OEM/ODM Experience: Over 30 years of customized and OEM/ODM experience with professional design support.

Customizable Specifications: Supports customization for material, size, grade, surface, head, driver, logo, and package.

Wide Grade & Material Options: Available in Carbon Steel with grades 8.8 and 10.9, plus other non-ferrous metals.

ISO9001 & TUV Certified: Products certified by ISO9001 and TUV, ensuring high quality and reliability.

Flexible MOQ & Small Orders: Accepts small orders with a Minimum Order Quantity of just 1 piece.

Fast Production Lead Time: Normal production time is about 15 days, shipping ASAP while ensuring quality.

Professional Quality Control: Complete inspections before packaging and sampling testing during various production stages.

Global Shipping Support: We can help arrange shipping to your country if you do not have your own forwarder.

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: ≤18h

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.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a factory and manufacturer.

Q:Can you do OEM ODM for me?

We accept all OEM ODM orders. Just contact us and show your ideas, we will design for you. We have over 30 years of customization experience and will provide personalized solutions for customers with different needs.

Q:Can I improve my existing product?

We will use professional technology to help you identify the reasons why your existing product is not working well and provide improvement plans.

Q:How can I customize my products?

Just contact us and let us know the detailed information of the product you need. And we can print your logo according to your request and Brand Authorization Letter.

Q:Do you accept small orders?

Do not worry. Feel free to contact us. We accept small order.