What is the minimum order quantity (MOQ)?

Specific MOQ details are not listed, but we support bulk orders and can accommodate customer special demands.

What payment terms do you accept?

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

How are the products packaged?

Products are packed in cartons (25-30KGS/CARTON) with 36-48 cartons per pallet, or according to customer special demand.

Black Oxide Hex Socket Bolt Flange Bolt DIN6921

Name: Black Oxide Hex Socket Bolt Flange Bolt DIN6921
Brand: Dongguan VG Fasteners Co., Ltd.
SKU: 2110993725

Guangdong, ChinaDongguan VG Fasteners Co., Ltd.

US$0.25

1,000-4,999 Pieces

US$0.12

5,000+ Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Alloy Steel

Type

Flange Head

Model NO.

DIN6921

Groove

Hexagon

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

6.8 / 8.8 / 10.9 / 12.9

Surface Treatment

HDG/Black Oxide/Plain/Zinc Plated

Keyword

Hex Flange Head Cap Screw Flange Bolt

Diameter

M5-M20

Application

Machinery,Chemical Industry, Environmental,Buildin

Certificate

ISO9001: 2015

Export Markets

Global

Transport Package

1. Small Boxes Into Outer Carton 2. Bulk Packaging

Specification

Shoulder Diameter φ6-φ25, 1/4-1", 1/4-3/4"

Trademark

Vigor

Origin

China

HS Code

731815

Production Capacity

1000 Tons Per Month

Key features

High Strength Grades: Available in 6.8, 8.8, 10.9, and 12.9 grades for superior durability.

Corrosion Resistance: Options include Black Oxide, Zinc Plated, and HDG for rust protection.

Flexible Customization: Custom surface treatments, sizes (M5-M20), and special specifications available.

Free Sample Service: Free samples provided upon price confirmation for quality verification.

ISO 9001 Certified: Manufactured in ISO 9001:2015 certified facilities with strict quality control.

Fast Lead Time: Standard items ship in 5-7 days; bulk orders in 12-18 working days.

Wide Application: Suitable for machinery, construction, automotive, and wind energy sectors.

Competitive Pricing: Offering high-quality fasteners at competitive prices with OEM/ODM support.

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: ≤2.02h

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.