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China Flange Bolts Supplier | High-Quality Hex & Serrated Flange Bolts Factory for Machinery & Automotive Applications
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
-
Integrated washer-type flange for better load distribution -
Serrated flange (optional) prevents loosening from vibration -
High tensile strength and durability -
Corrosion-resistant coatings for long-term use -
Time-saving during assembly – no need for separate washers
Applications
Automotive and engine components
Industrial machinery and equipment
Construction and structural assemblies
Electrical installations and enclosures
Furniture and metal fabrication
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.
Frequently Asked Questions
What types of flange bolts do you manufacture?
We manufacture a wide range of flange bolts, including standard Hex Flange Bolts and Serrated Flange Bolts, to meet various industrial and automotive fastening requirements.
What materials and grades are available?
Our flange bolts are available in Carbon Steel (Grades 4.8, 6.8, 8.8, 10.9, 12.9), Stainless Steel (SS304, SS316 with Grades A2-70, A4-70, A4-80), and Alloy Steel.
What surface finishes do you provide for corrosion resistance?
We offer multiple surface treatments, including Zinc Plated (Blue/Yellow), Hot-Dip Galvanized (HDG), Black Oxide, Dacromet, Ruspert, and Plain/Oiled options to suit different environments.
Can you customize packaging and branding?
Yes. We offer fully customizable packaging options, including bulk cartons with pallets, small boxes with custom brand logos, and customized labeling or barcodes.
What is your typical lead time and shipping port?
Our standard lead time ranges from 7 to 30 days depending on the order volume. All goods are primarily shipped from Tianjin Port, China.
Do you offer OEM and ODM services?
Yes, Hebei Chudu provides comprehensive OEM and ODM services to global customers, allowing custom dimensions, materials, and thread types.