DIN7991 Black Oxide Hex Socket Flat Cap Screw Alloy Steel Countersunk Screw Bolt for Machinery

Name: DIN7991 Black Oxide Hex Socket Flat Cap Screw Alloy Steel Countersunk Screw Bolt for Machinery
Brand: Dongguan VG Fasteners Co., Ltd.
SKU: 1939781505

Guangdong, ChinaDongguan VG Fasteners Co., Ltd.

US$0.25

1,000-4,999 Pieces

US$0.12

5,000+ Pieces

Sample price:US$0.05/piece.Request sample

Product profile

Customization

Available

Surface Treatment

Black Oxide

Head Shape

Flat Head Cap

Model NO.

DIN7991 Screw

Raw Material

Alloy Steel / Stainless Steel

Application

Machinery

Export Markets

Global

Keyword

Flat Head Cap Screw

Transport Package

1. Small Boxes Into Outer Carton 2. Bulk Packaging

Specification

M3-M20; #4-3/4", 1/4-3/4"

Trademark

Vigor

Origin

China

HS Code

731815

Production Capacity

1000 Tons Per Month

Key features

14 Years Industry Experience: Founder with over 14 years of experience in the fastener industry providing professional service.

ISO 9001 Quality Certification: Certified facilities with strict in-house QC measures and detailed order-specific test reports.

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

Comprehensive Material Options: Available in Alloy Steel, Stainless Steel 304/316 (A2/A4) for various corrosion resistance needs.

OEM and ODM Services: Customization available for logo, size, material, and surface treatment upon request.

Detailed Quality Testing: Includes tensile strength, torque, salt spray, and zinc plating thickness testing.

Wide Product Range: Includes anchors, bolts, screws, wrenches, and hand tools covering multiple DIN and ISO standards.

Flexible Shipping Options: Supports Air, Express (Fedex, UPS, DHL), and Sea shipping for weights over 100kg.

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: ≤1.57h

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!