ASME B18.2.1

Hexagonal Head Bolts

Hexagonal Head Bolts

Technical Specification:

  • Hex Bolt
  • ASME B18.2.1
  • Partial Threaded
  • Diameter: Metric or Inch
  • Length: Metric or Inch
  • Thread: Coarse or Fine

Possible materials:

  • ISO: 8.8., 10.9, 12.9
  • ISO: A2, A4
  • ANSI/ASME: A193-B7, A320-L7, A307
  • ANSI/ASME: A193-B8(M) Cl.1 & Cl.2
  • DIN Werkstoff: 42CrMo4, 25CrMo4

Possible coatings:

  • Carbon steel: Hot-dip Galvanizing, Geomet-500, Zinc, Zinc-Nickel, PTFE/Xylan, TAKECOAT-1000
  • Stainless steel: PTFE/Xylan, TAKECOAT-1000


  • Structural
  • Machinery equipment
  • Automotive
  • Aerospace

Maximizing Efficiency with ASME B18.2.1 Hexagonal Head Bolts

In the diverse landscape of fastening solutions, ASME B18.2.1 Hexagonal Head Bolts stand out for their efficiency and reliability. Conforming to the standards set by the American Society of Mechanical Engineers (ASME), these bolts are a staple in various industrial and construction applications.

Key Characteristics of ASME B18.2.1 Hexagonal Head Bolts

ASME B18.2.1 Hexagonal Head Bolts are known for their unique design and functional attributes. These include:

  • Standardized Dimensions: Adhering to the ASME B18.2.1 standard, these bolts have precise dimensional specifications, ensuring compatibility and interchangeability across various applications.
  • High Strength and Durability: These bolts are designed to provide a strong and secure fastening solution, capable of withstanding high levels of stress and strain.
  • Versatile Use: Ideal for a range of applications, from construction to machinery, these bolts offer flexibility and reliability in various environments.

Advantages and Applications of ASME B18.2.1 Hexagonal Head Bolts

Opting for ASME B18.2.1 Hexagonal Head Bolts brings several advantages:

  • Consistent Quality: The standardization under ASME B18.2.1 guarantees consistent quality and performance.
  • Ease of Installation and Removal: The hexagonal head allows for easy tightening and loosening, which is critical in maintenance and assembly operations.
  • Wide Range of Applications: These bolts are versatile and can be used in construction, automotive, manufacturing, and many other industries.

Why Choose ASME B18.2.1 Hexagonal Head Bolts for Your Fastening Needs?

ASME B18.2.1 Hexagonal Head Bolts represent a blend of strength, precision, and reliability. Their standardized design ensures they meet the rigorous demands of various industrial applications. Whether you’re constructing a building, assembling machinery, or working on automotive repairs, these bolts are designed to deliver optimal performance.

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