What are the payment terms?

We accept FOB, CIF, CFR, L/C, T/T, PayPal, and Western Union.

How are the products packed?

Packing includes bulk in cartons (25-30kg max) on wooden pallets, or small boxes in outer cartons.

What is the timeline for customized products?

Samples take 7-10 working days, and bulk customized orders take 15-30 working days.

Carbon Steel Black Oxide Round Flat Countersunk Head M8 Hex Socket Screw

Name: Carbon Steel Black Oxide Round Flat Countersunk Head M8 Hex Socket Screw
Brand: Dongguan VG Fasteners Co., Ltd.
SKU: 2110370025

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

Screw

Model NO.

DIN7991

Groove

Hexagon

Connection

Common Bolt

Standard

DIN, GB, ANSI, BSW, JIS, ISO

Grade

10.9

Product Name

DIN7991 Socket Flat Screw

Size 1

M3-M20

Size 2

1/4-3/4"

Materials

Stainless Steel

Transport Package

Neutral Packing

Specification

M3-M20

Trademark

Origin

China

HS Code

731815

Production Capacity

10 Million/Month

Key features

OEM/ODM Customization: Supports OEM orders with customized sizes, materials, and surface treatments.

High-Quality Materials: Available in SS304, SS316, and Alloy Steel grades 8.8, 10.9, 12.9.

Multiple Surface Finishes: Options include Black oxide, Zinc Plated (White/Yellow), and H.D.G.

Strict Quality Control: ISO 9001 certified with detailed test reports for tensile strength and torque.

Wide Application Scope: Suitable for automotive, construction, oil & gas, and wind energy sectors.

Fast Sample Delivery: Free samples shipped within 7 days after price confirmation.

Large Production Capacity: Monthly capacity of 500 tons anchor bolts and 1000 tons socket screws.

Flexible Shipping Options: Supports air, express, and sea shipping based on order weight and urgency.

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: ≤2.04h

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.