Overview:

A Carbon Steel Galvanized L Bolt is a type of anchor bolt characterized by its distinctive ‘L’ shape. It is commonly used to anchor structural elements to concrete or masonry foundations. The L-shape provides a strong hold by embedding into the concrete, preventing pull-out. When galvanized, these bolts offer enhanced corrosion resistance, making them suitable for outdoor and mildly corrosive environments.

Key Features:

• Material: Made from carbon steel, providing a balance of strength and cost-effectiveness.
• Galvanized Finish: Coated with a layer of zinc through a galvanization process (hot-dip or electro-galvanized) to protect against rust and corrosion, extending the bolt’s lifespan in various environmental conditions.
• L-Shape Design: The bent ‘L’ end provides a secure anchor point within concrete or masonry, resisting pull-out forces effectively.
• Threaded End: The straight end of the bolt is typically threaded to accept a nut and washer, allowing for secure fastening of components.

Specifications (Grades 4.8/5.8/6.8):

These grades refer to the mechanical properties of the carbon steel used, primarily its tensile strength and yield strength. Higher numbers indicate higher strength.

• Grade 4.8:
  • Tensile Strength: Approximately 400 MPa (MegaPascals)
  • Yield Strength: Approximately 320 MPa
  • Application: Suitable for general-purpose anchoring where moderate loads are expected.
• Grade 5.8:
  • Tensile Strength: Approximately 500 MPa
  • Yield Strength: Approximately 400 MPa
  • Application: Offers increased strength compared to 4.8, ideal for applications requiring a bit more robustness.
• Grade 6.8:
  • Tensile Strength: Approximately 600 MPa
  • Yield Strength: Approximately 480 MPa
  • Application: Provides even higher strength, suitable for more demanding structural anchoring tasks.
• Dimensions: Available in a wide range of diameters (e.g., M6 to M30 or 1/4″ to 1″) and lengths to suit various anchoring depths and application requirements.
• Thread Type: Typically metric coarse (e.g., M DIN standard) or imperial (e.g., UNC).

Common Applications:

• Construction: Anchoring wall plates, securing steel structures to concrete foundations, mounting heavy machinery, fencing posts, and railings.
• Pre-engineered Buildings: Often used to secure columns and beams to concrete slabs.
• General Anchoring: Any application requiring a secure, pull-out resistant anchor in concrete or masonry, especially where corrosion resistance is beneficial.
• Electrical Towers & Poles: Used to stabilize and anchor utility poles and transmission towers.

Advantages:

• Cost-Effective: Carbon steel is generally more economical than stainless steel.
• Good Strength: Offers sufficient strength for a variety of structural applications, particularly in higher grades.
• Corrosion Resistance: Galvanization significantly reduces the risk of rust, making it durable in exposed conditions.
• Simple Installation: Easily cast into wet concrete or set into drilled holes with epoxy.