Grade 5, 1/2"-13 Hex Head Cap Screw, Zinc Plated Steel, 2-1/4 in L, 50 PK

The ZORO SELECT - 1KB18 is a Hex Head Cap Screw, a type of fastener with a hexagonal-shaped head. These screws are used to securely join materials in various industrial applications such as construction, manufacturing, and engineering projects. The screw requires an external hex drive for installation or removal, meaning it needs a wrench or socket of the same shape.

• Drive: External Hex – Requires a wrench or socket of the same shape for application.
• Fastener Length: 2-1/4 in – Specifies the length of the screw, not indicative of depth for secure fastening.
• Finish: Zinc Plated – Zinc plated finish intended to improve corrosion resistance and aesthetics.
• Globally Sourced: Procured from international manufacturers ensuring diverse range of quality and price options.
• Material: Steel – Steel material used; actual strength, durability and application suitability may vary.
• Material Grade/Class: Grade 5 – Grade 5 classification suggests certain strength, hardness and resistance properties. Actual performance may depend on specific application conditions.
• Rockwell Hardness: HRC25 - Rockwell Hardness rating is HRC25; actual impact on durability and performance may vary based on usage conditions.
• Tensile Strength: 120,000 psi - Tensile Strength rated at 120,000 psi under standard testing conditions; actual results may vary depending on use circumstances
• Thread Direction: Right Hand - Thread direction is right hand (tightens clockwise); proper installation required for secure fastening."