National Mfg N177-345 5/16 Inch Blue Eye Slip Hook Grade 43

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N177-345 is a 5/16 inch Blue Eye Slip Hook manufactured from forged steel and rated to Grade 43 specifications. It is designed to make quick, secure connections with chain in demanding industrial and construction environments. The slip hook design allows fast attachment and release without tools, making it a practical choice for rigging, securing loads, and tie-down applications. This hook is sold in a package of 5 units and weighs 3.6 pounds per package. Licensed contractors, riggers, and construction tradespeople working with chain systems will find this hook a straightforward, code-grade component.

This hook is intended for use in industrial and construction applications where quick chain connections are needed. It is compatible with chain of an equal or lower grade than Grade 43. Common use cases include load securing, binding, and towing applications on job sites. This hook is supplied bagged loose in packs of 5, making it convenient for job-site distribution and inventory. It is not designed or rated for overhead lifting — it must not be used in overhead crane, hoist, or suspended load applications.

Key Features

• Forged steel construction for strength and durability in industrial environments
• Meets Grade 43 hook specifications for consistent load-rating compliance
• Blue eye slip hook design enables fast, tool-free chain connections
• Compatible with chain of equal or lower grade than Grade 43
• Not rated for overhead lifting — for horizontal and tie-down applications only
• Sold in a pack of 5, bagged loose for easy jobsite use

Compatibility

Designed for use with 5/16 inch Grade 43 chain or chain of a lower grade rating. Suitable for industrial and construction tie-down and securing applications.

Installation Notes

This hook should be installed by qualified tradespeople familiar with rigging hardware and load-securing requirements. Always confirm the chain grade matches or is lower than Grade 43 before connecting. Never use this hook for overhead or suspended lifting — it is not rated for that application. Inspect the hook and chain for wear, deformation, or damage before each use.