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Flange Bolts | Hex Flange Bolts | Serrated Flange Bolts

Bolts

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Flange Bolts | Hex Flange Bolts | Serrated Flange Bolts

Hebei Chudu Metal Products Co., Ltd. specializes in the manufacturing and export of high-performance flange bolts, widely used in machinery, automotive, and structural applications. Our flange bolts are available with smooth or serrated flanges to provide better load distribution and resistance to loosening. We offer various standards, grades, and finishes to suit different project requirements.

  • Product Name Flange Bolt / Hex Flange Bolt / Serrated Flange Bolt
  • Standards DIN 6921, ISO 1665, JIS B1189, ANSI B18.2.1, or customized
  • Thread Type: Metric / UNC / UNF, Full or Partial Thread
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Product Information
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Product Overview

Product Name

Flange Bolt / Hex Flange Bolt / Serrated Flange Bolt

Standards

DIN 6921, ISO 1665, JIS B1189, ANSI B18.2.1, or customized

Material

Carbon Steel

Stainless Steel (SS304, SS316)

Alloy Steel

Grade

4.8, 6.8, 8.8, 10.9, 12.9 (Carbon Steel)

A2-70, A4-70, A4-80 (Stainless Steel)

Thread Type

Metric / UNC / UNF, Full or Partial Thread

Surface Finish

Zinc Plated (Blue / Yellow)

Hot-Dip Galvanized (HDG)

Black Oxide

Dacromet / Ruspert

Plain / Oiled

Size Range

Metric: M5 – M24, Length 10mm – 300mm

Inch: 1/4" – 1", Length 3/4" – 12"

Custom sizes available

Product Features

  • 3-4icon_ (10)
    Integrated washer-type flange for better load distribution
  • 3-4icon_ (9)
    Serrated flange (optional) prevents loosening from vibration
  • metalworking
    High tensile strength and durability
  • Corrosion-resistant coatings for long-term use’
    Corrosion-resistant coatings for long-term use
  • Easy to install and compatible with standard boltsnuts
    Time-saving during assembly – no need for separate washers
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Applications

  • Automotive (2)

    Automotive and engine components

  • Industrial

    Industrial machinery and equipment

  • Construction

    Construction and structural assemblies

  • Electrical

    Electrical installations and enclosures

  • Woodworking

    Furniture and metal fabrication

  • marine environments

    Marine and heavy-duty industries

Packaging & Delivery

Packaging

Bulk in cartons with pallets
Small boxes with custom logos
Label and barcode customization available

Lead Time

7–30 days depending on order volume

Shipping Port

Tianjin, China

Why Choose Hebei Chudu

Over 10 years of manufacturing experience.
Fully equipped factory with advanced machinery.
Strict quality control system (ISO 9001 certified).
OEM & ODM services for global customers.
Competitive pricing and fast response team.
Wide range of fasteners with flexible order quantity.

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