DIN 2353-METRIC BOLT
Most popular Metric Hydraulic Fittings
Description
Reviews
Thread Type
- Metric bolts use ISO metric threads, classified by diameter and pitch (e.g., M6 × 1.0, M12 × 1.75).
- Available in coarse (standard) and fine thread types.
Head Types
- Hex Bolt (Hexagon Head) – Most common, tightened with a wrench.
- Socket Head Bolt (Allen Bolt) – Uses an internal hex drive for compact spaces.
- Flange Bolt – Includes a built-in washer for better load distribution.
- Carriage Bolt – Has a round head with a square neck to prevent rotation.
Material & Strength Grades
- Steel (Grades 4.8, 8.8, 10.9, 12.9) – Used in general and high-strength applications.
- Stainless Steel (A2-70, A4-80) – Corrosion-resistant, ideal for outdoor and marine use.
- Brass & Aluminum – Used for electrical and decorative applications.
Common Finishes
- Zinc-plated – Corrosion resistance for indoor applications.
- Hot-dip galvanized – Better corrosion resistance for outdoor use.
- Black oxide – Provides a clean look with mild corrosion resistance.
Product Description

Part No.: 700M-I
Features:
➢Made of carbon steel, leak-proof and reliable.
➢Engineered for a secure and reliable seal, ensuring no fluid leaks.
➢Surface-treated for enhanced protection against rust and wear.
➢Conforms to JIC standards, making it suitable for various hydraulic systems.
➢Designed for quick and hassle-free assembly, reducing downtime.
Specifications
About Us
Founded in 1998, Yuyao Jiayuan Hydraulic Fitting Factory is a leading manufacturer of hydraulic fittings and accessories for engineering and agricultural machinery. We are ISO 9001 and IATF 16949 certified, ensuring top-quality products. Specializing in hydraulic pipeline connections to international standards (DIN, ISO, SAE, JIS, BSP), we offer manifold blocks, flanges, adapters, hose assemblies, and OEM parts. With advanced equipment and a dedicated team, we serve global markets, including Japan, Germany, the USA, and more, delivering value and innovation to our customers.


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