Ss304 Connector Bolt Cup Head Hexagonal Socket Flange Bolt Carriage Bolt

August 02, 2025

**Product Information**
  • Material: Stainless Steel
  • Connection Type: Common Bolt
  • Standards: DIN, ANSI, GB, JIS, BSW, GOST
  • Application: Machinery, Industrial Equipment
  • Available Materials: Carbon Steel, High Strength Steel, Stainless Steel
  • International Standards: DIN, ANSI, GB, JIS
  • Usage Areas: Machinery, Chemical Industry, Environmental Engineering, Construction
  • Brand: HNF
  • Size Range: M4 to M100
  • HS Code: 731815
  • Type: Mushroom Head Bolt
  • Head Shape: Round
  • Grade: 304, 316
  • Finish: Hot Galvanized
  • Head Type: Hexagon, Round
  • Class/Grade: 304, 316
  • Surface Treatment: Hot Galvanizing, Black, Color Zinc, Blue-White Zinc
  • Packaging: 20–25kg per Carton + 900kg per Pallet
  • Origin: China
--- **DIN 603 Grade 8.8 Round Head Carriage Bolt** A bolt is a type of threaded fastener with an external male thread. Bolts are often confused with screws, but they are typically used in conjunction with nuts and require a wrench for installation. A hex cap screw features a hexagonal head and is commonly used in applications where a more precise fit is needed. In comparison to hex bolts, ASME B18.2.1 compliant cap screws have tighter tolerances on the head height and shank length, making them more suitable for specific industrial uses.
Product Name DIN 603 Grade 8.8 Round Head Carriage Bolt
Standard: DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB
Material Stainless Steel: SS201, SS303, SS304, SS316, SS316L, SS904L, F593
Steel Grades: DIN: 4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9; SAE: 2, 5, 8; ASTM: 307A, 307B, A325, A394, A490, A449
Finishing Zinc (Yellow, White, Blue, Black), Hot Dip Galvanized (HDG), Black Oxide, Geomet, Dacromet, Anodization, Nickel Plated, Zinc-Nickel Plated
Production Process M2-M24: Cold Forging; M24-M100: Hot Forging; Machining and CNC for Custom Parts
Customized Lead Time Busy Season: 15–30 Days; Off-Season: 10–15 Days
Stock Products Steel: 4.8 Grade DIN 6923, 8.8 Grade, 10.9 Grade of GB 5783 and GB 5782; Stainless Steel: All DIN Standard Bolts
Free Samples for Standard Fasteners
For more information, visit: www.hainafastener.com

Ss304 Connector Bolt Cup Head Hexagonal Socket Flange Bolt Carriage Bolt


**Our Services** As a professional manufacturer, we specialize in designing and producing high-quality fasteners according to your specifications and requirements. Our products are built to last, with rigorous durability testing and advanced engineering to ensure long-term performance. We offer competitive pricing by working directly with factories, ensuring you get the best value for your money. With over 20 years of experience, we provide reliable solutions tailored to your needs. Whether you need standard parts or custom designs, our team can assist you every step of the way. If you're unsure about what you need, feel free to reach out at any time. Our experts are here to help you find the perfect fastener for your application. Let us be your trusted partner in fastening solutions.

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