What materials are available for the Hex Coupling Nut?

We offer Carbon Steel and Stainless Steel (SS201, SS304, SS316) options.

What surface treatments are available?

Options include Zinc Plated (Yellow, White, Black), HDG, Black Oxide, Geomet, Dacroment, and Nickel plated.

Hex Coupling Nut with HDG Surface Treatment

Name: Hex Coupling Nut with HDG Surface Treatment
Brand: Dongguan VG Fasteners Co., Ltd.
SKU: 2112589865

Guangdong, ChinaDongguan VG Fasteners Co., Ltd.

US$0.01

50,000 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel, Stainless Steel

Type

Hexagon Head

Model NO.

DIN6334

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

Grade: 4, 6, 8, 10

Surface Treatment

Zinc Plated, HDG

Certificate

ISO9001:2015

Delivery Time

15-35 Days

Transportation

by Sea

Transport Package

1. Small Boxes Into Outer Carton 2. Bulk Packaging

Specification

M5-M32

Trademark

Vigor

Origin

China

HS Code

731816

Production Capacity

1000 Tons Per Month

Key features

HDG Surface Treatment: Hot-dip galvanized coating provides superior corrosion and rust resistance.

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

Free Sample Service: Free samples available within seven days for product evaluation.

High Tensile Strength: Available in grades 4, 6, 8, and 10 for heavy-duty industrial applications.

Customized Fasteners: CNC machining and cold/hot forging available for custom fastener requirements.

Comprehensive Testing: Detailed test reports on tensile strength, torque, and zinc plating thickness provided.

Salt Spray Tested: Products undergo salt spray tests to ensure long-term rust resistance.

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

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: ≤1.78h

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.