What surface treatments are available?

Options include Plain (Black oxide), Zinc Plated (White/Yellow), and Hot-Dip Galvanized (H.D.G).

What is the minimum order quantity or MOQ?

Specific MOQ details are not explicitly stated, but free samples are available upon price confirmation. Please contact us for specific order requirements.

What certifications do you have?

We hold ISO9001, CE, and SGS certifications, ensuring market-leading product quality.

DIN7991 Hex Socket Flat Countersunk Head Cap Screw with Stainless Steel

Name: DIN7991 Hex Socket Flat Countersunk Head Cap Screw with Stainless Steel
Brand: Dongguan VG Fasteners Co., Ltd.
SKU: 1981881855

Guangdong, ChinaDongguan VG Fasteners Co., Ltd.

US$0.01

30,000 Pieces

Sample price:US$0.03/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Flat Head

Model NO.

DIN7991

Groove

Hexagon

Connection

Common Bolt

Head Style

Round

Standard

DIN, GB, BSW

Grade

10.9, 12.9

SS316

SS304

Size1

M3-20

Size2

1/4-3/4"

Transport Package

Neutral Packing

Specification

M3-M20

Trademark

Origin

China

HS Code

731815

Production Capacity

10 Million/Month

Key features

14+ Years Industry Experience: Over 14 years of expertise in fastener manufacturing and professional service.

Strict Quality Control: ISO 9001 certified with in-house QC, tensile, torque, and salt spray tests.

OEM/ODM Customization: Supports custom sizes, materials, and surface treatments for specific needs.

High Monthly Capacity: Produces over 500 tons of anchor bolts and 1000 tons of socket screws monthly.

Free Sample Service: Free samples provided within 7 days upon price confirmation.

Wide Material Options: Available in Stainless Steel (304/316) and Alloy Steel (Grades 8.8-12.9).

Multiple Surface Treatments: Options include Plain, Zinc Plated, and Hot-Dip Galvanized finishes.

Comprehensive Product Range: Offers anchors, bolts, screws, and tools for automotive and construction.

Company profile

High Repeat Buyers ChoiceExhibition Experience

Dongguan VG Fasteners Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤1.95h

AI-Powered supplier vetting

SummaryDongguan VG Fasteners Co., Ltd. is identified as both a trading company and manufacturer/factory in China, offering anchors, screws, nuts, thread rods, and related fasteners. It reports ISO 9001 and ISO 14000 management-system certifications, professional R&D capability, 3D software design, and multiple customization modes. Stated production capacity includes 12,000 tons of socket screw items and 6,000 tons of anchor bolts annually. The supplier has self-operated import/export rights and reports that 90% of total sales come from exports. However, SDK availability is explicitly absent, while after-sales capability, customer cases, raw-material traceability, and several sustainability controls are not evidenced. Financial information is represented only by years rather than performance metrics, so financial credibility cannot be assessed from the provided data. The SGS audit record is dated April 24, 2024 to April 23, 2025, with an evaluation result of 0; the meaning of that result is not defined in the...

Supplier typeThe supplier is described as a Limited Company and as both a Trading Company and Manufacturer/Factory. Its stated scope covers fastener sales, hardware, metal products, mechanical parts, tools, plastics, molds, and related goods, indicating a combined trading and manufacturing business model.

CertificationsThe supplier reports holding ISO 9001 and ISO 14000 management-system certifications. These certifications provide explicit evidence of formal quality and environmental management systems, although no certificate numbers, issuing bodies, or validity dates are provided.

R&D capabilityThe supplier is explicitly identified as a professional technical supplier, reports 3D software design services, and has 6–10 years of total R&D engineer experience. However, it reports no available SDK, limiting evidence of software-development integration capability.

Production capacityThe supplier reports annual productivity of 12,000 tons for socket screw items and 6,000 tons for anchor bolts, and also identifies itself as a manufacturer/factory. These stated capacities support a positive assessment of production capability, although broader capacity utilization and facility details are not provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization coverage for its offered products.

Product Q&A

Q:How can I get a quotation?

Kindly provide your detailed request including item number, style, logo, size, material, surface treatment, and quantity. The more detailed, the better. Leave us an inquiry or email, and we will respond promptly.

Q:How to get a free sample?

We recommend working with payment methods such as T/T, PayPal, or Western Union to proceed with sample requests.

Q:What is the order process?

Send us an inquiry to get a quotation, make payment, open molds and create samples, approve samples or pictures, and then proceed to mass production.

Q:When can I expect the customized product to be finished?

Samples take 7-10 working days (standard). Bulk orders take 15-30 working days (standard).

Q:What materials are available for this screw?

We offer Stainless Steel (SS304, SS316) and Alloy Steel (Grades 8.8, 10.9, 12.9).