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Hex Socket Flange Bolt

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Hex Socket Flange Bolt
Hex Socket Flange Bolt

Product Introduction

A hex socket flange bolt is a high-performance fastener that combines a hex socket drive with a flange design. The bolt head features a hex socket hole that can be installed with a hex wrench, while the bottom flange increases the bearing area, improving connection stability.

WT Fasteners specializes in producing various specifications of hex socket flange bolts. We can provide different materials, strength grades, lengths, and surface treatment options according to customer requirements, supporting customization of standard and non-standard parts.

Hex socket flange bolts are widely used in machinery and equipment, automotive parts, automation equipment, mold manufacturing, electronic equipment, and industrial assembly.


Product Features

1. Hex Socket Drive Design

The hex socket hole structure ensures even force distribution during installation, suitable for confined spaces, improving assembly convenience.

2. Integrated Flange Structure

The bottom flange increases the contact area, can replace washers, disperses fastening pressure, and improves connection reliability.

3. High Strength Performance

Made of high-quality alloy steel, it can achieve high strength grades, suitable for high-load and high-precision connection environments.

4. Good Anti-Loosening Effect

The flange design increases friction, reducing the risk of loosening in vibration environments.

5. Non-Standard Customization

Custom head sizes, thread specifications, lengths, and surface treatments can be made according to customer drawings or samples.


Product Parameters

Product Name:
Hex Socket Flange Bolt

English Name:
Socket Head Flange Bolt / Hex Socket Flange Bolt

Common Standards:

  • ISO 7380
  • DIN 7991 (related hex socket standards)
  • GB standards
  • Customer drawing standards

Materials:

  • Alloy steel
  • Carbon steel
  • Stainless steel 304
  • Stainless steel 316

Strength Grades:

  • Grade 8.8
  • Grade 10.9
  • Grade 12.9

Size Range:

M3-M20
(Non-standard sizes customizable)

Length:

5mm-150mm

Thread Types:

  • Metric coarse thread
  • Metric fine thread
  • Inch thread

Head Styles:

  • Cylindrical head hex socket
  • Button head hex socket
  • Flange hex socket

Surface Treatments:

  • Black oxide
  • White zinc
  • Yellow zinc
  • Black zinc
  • Dacromet
  • Stainless steel natural finish

Product Types

Standard Hex Socket Flange Bolts

Suitable for ordinary machinery and industrial assembly.

High-Strength Hex Socket Flange Bolts

Made of high-strength materials such as grade 12.9, suitable for high-precision, high-load equipment.

Stainless Steel Hex Socket Flange Bolts

Strong corrosion resistance, suitable for outdoor, humid, and special environments.

Non-Standard Hex Socket Flange Bolts

Produced according to customer design requirements for special sizes.


Application Fields

Hex socket flange bolts are widely used in:

  • Automation equipment
  • Automotive manufacturing
  • Motorcycle components
  • Mold equipment
  • Machining
  • Electronic equipment
  • Robotics equipment
  • Industrial production lines
  • Precision instruments

Packaging Methods

According to customer requirements, we provide:

  • Plastic bag packaging
  • Small box packaging
  • Carton packaging
  • Plastic box packaging
  • Pallet packaging
  • Customer brand packaging

Product facts

Procurement & delivery information

MOQ

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MOQ from 1 kg for standard sizes. Trial orders are welcome. Custom non-standard parts are confirmed based on drawings and the production process; small-batch samples can be arranged.

Stock

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Large stock. Bolts, nuts, washers, expansion anchors, threaded rods and other common specifications are well stocked for ready shipment or fast replenishment.

Lead time

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Large stock of common specifications — ready for fast dispatch after order confirmation. Standard products usually take 15–30 days when production is needed. Custom non-standard orders have short lead times, confirmed after drawing review.

Materials

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A variety of carbon steel, stainless steel, and alloy steel materials are available, including: Q195, Q235, 35#, 45#, 35CrMo, 42CrMo, C1022, 304, 316, etc. Other specified materials can be produced according to customer drawings, standards, or technical requirements.

Grades

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Fasteners of different strength grades are available, including: 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, etc. Nuts can be provided in grades 4, 6, 8, 10, 12, etc., depending on product standards and customer requirements.

Standards

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Production can be carried out according to international and national standards, including: DIN, ISO, GB, ANSI/ASME, ASTM, BS, JIS, etc. We also support customization of non-standard fasteners based on customer drawings, samples, or technical parameters.

Surface finishes

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A variety of surface treatments are available, including: clear zinc, yellow zinc, black zinc, black oxide, hot-dip galvanizing, Dacromet, nickel plating, chrome plating, phosphating, mechanical galvanizing, etc. Salt spray time, coating thickness, and anti-corrosion requirements can be confirmed according to customer requirements.

Production equipment

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Equipped with cold heading, thread rolling, die pressing, machining, heat treatment, and surface treatment supporting equipment. We can complete the entire production process from raw materials, forming, thread processing, heat treatment to packaging and shipping, and arrange the corresponding production process according to product type.

Inspection, certificates & reports

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Products can be inspected for dimensions, threads, hardness, tensile strength, torque, coating thickness, and salt spray before production and shipment. According to order requirements, we can provide: material certificates, dimensional inspection reports, hardness test reports, tensile test reports, salt spray test reports, coating inspection reports, and third-party inspection reports. Relevant certificates and inspection items are provided according to product standards and customer requirements.

Packaging

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A variety of export packaging methods are supported, including: small boxes + outer cartons, woven bags, cartons, wooden cases, pallets, bulk packaging, and custom packaging. We can provide customer brand packaging: logo, color boxes, labels, barcodes, shipping marks, and OEM packaging. Packaging methods will be adjusted according to product weight, size, and transportation mode to reduce damage and spillage during transit.

Loading & export capability

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We have long-term experience serving overseas customers and are familiar with sea freight, air freight, and international logistics export processes. We can formulate container loading plans based on product size, weight, and container type, supporting: 20GP, 40GP, 40HQ full container export, as well as LCL consolidation. Before shipment, we can provide product photos, packaging photos, pallet photos, and container loading photos, and assist in preparing commercial invoices, packing lists, certificates of origin, and other export documents.

Projects & customer cases

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Products have been exported to markets in Asia, the Middle East, Africa, Europe, South America, and other regions, serving customers including: fastener importers, hardware wholesalers, building material distributors, engineering contractors, machinery manufacturing enterprises, and industrial equipment customers. We can provide standard fasteners, engineering fasteners, and non-standard customized product solutions according to different market requirements.

Products

Factory-direct supply with large stock on common sizes

Hebei Wangtu focuses on industrial fastener supply. We keep large stock, start standard orders from 1 kg, and run short lead times for custom parts. Send your size list or drawing for a fast RFQ.

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Bolts
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Bolts

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Anchors / Expansion Series

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Custom special-shaped fasteners, non-standard bolts, nuts, and metal connectors
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custom-fasteners

Custom non-standard fasteners and special-shaped metal parts can be manufactured according to customer drawings, samples, and technical requirements. We offer customization of bolts, nuts, screws, pins, stampings, and special connectors. Various materials, strength grades, surface treatments, dimensions, and packaging requirements are supported, suitable for machinery, automotive, construction, energy, and industrial projects.

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Hex nuts of different strength grades and industrial nut product display
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Nuts

For importers, wholesalers and project buyers sourcing standard or drawing-based nuts and locking components. Browse hex, lock, flange, cap, coupling and other nut types. For a bulk RFQ, send the mating bolt or thread, standard or drawing, material or grade, finish, quantity, packing, destination and required inspection documents.

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News

Latest Updates

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Quick inquiry

Bulk RFQ / Send Drawing

Large stock on common sizes. MOQ from 1 kg. Short custom lead times. Include product/standard, size, material/grade, finish, quantity, packing and destination — or upload a drawing — and we will reply with quote and lead time.

Hex Socket Flange Bolt