What is the lead time for orders?

Standard sizes are in stock. Non-standard sizes take 15-30 working days after order confirmation.

What certifications do your products have?

Our products are certified with ISO9001, CE, and SGS, and we provide order-specific test reports.

DIN7991 Alloy Steel Stainless Steel Hexagon Socket Countersunk Head/Flat Head Cap Screws Hex Socket Csk Cap Screws Allen Screw

Name: DIN7991 Alloy Steel Stainless Steel Hexagon Socket Countersunk Head/Flat Head Cap Screws Hex Socket Csk Cap Screws Allen Screw
Brand: Dongguan VG Fasteners Co., Ltd.
SKU: 2000016575

Guangdong, ChinaDongguan VG Fasteners Co., Ltd.

US$0.22

1,000-4,999 Pieces

US$0.11

5,000+ Pieces

Sample price:US$0.05/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Countersunk Head

Groove

Hexagon

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

10.9

Surface Treatment

Black Oxide/Plain

Head Shape

Flat Head Cap

Raw Material

Alloy Steel / Stainless Steel

MOQ

One Master Carton(Around 25-30kgs) for Each Size

Application

Machinery

Model No.

DIN7991

Transport Package

1. Small Boxes Into Outer Carton 2. Bulk Packaging

Specification

M3-M20

Trademark

Vigor

Origin

China

HS Code

731815

Production Capacity

1000 Tons Per Month

Key features

Customizable Surface Treatment: Options include Black Oxide, Zinc Plated, and H.D.G to suit specific needs.

OEM/ODM Service Available: We support customized orders including logo, size, and material specifications.

ISO 9001 Certified Quality: Strict in-house QC with detailed test reports for tensile strength and torque.

Wide Material Selection: Available in Stainless Steel (SS304/316) and Alloy Steel (Grade 8.8/10.9/12.9).

High Monthly Capacity: Production capacity exceeds 500 tons for anchor bolts and 1000 tons for socket screws.

Free Sample Service: Free samples provided within 7 days upon confirmation of acceptable pricing.

Salt Spray Test Guarantee: Products undergo salt spray testing to ensure rust resistance and plating thickness.

Multiple Standard Compliance: Products meet ISO, DIN, ASME, JIS, BS, and other international standards.

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: ≤2.31h

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 us your details request (item No, style, logo, size, material, surface treatment, quantity etc.) the more detailed the better, leave us an inquiry or email to us and we will response promptly!

Q:How to get a free sample?

We recommend you work with T/T, PayPal, Western Union.. are all available.

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

Sample:7-10 working days (Standard). Bulk order:15-30 working days(Standard). If you have any other questions, please feel free to contact us!

Q:What materials are available for these screws?

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

Q:What surface treatments do you provide?

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