This round countersunk square hex bolt and nut set is engineered for secure fastening in agricultural, industrial, and mechanical structures where a flush-fit, countersunk finish is needed. Ideal for mounting wear parts, discs, or plates in tillage and implement applications.

Each bolt measures 7/16″ x 55mm and features a TFCC (Square Collar Countersunk Head) design, offering a firm grip with minimal surface interference. Supplied with matching nuts, this kit provides reliable fastening with 8.8 tensile strength for medium-to-heavy load demands.

Packaged in a 25-piece box, these bolts and nuts are suitable for universal fitment across various brands of tractors, implements, and workshop assemblies. They’re trusted for their strength and ease of installation in both replacement and OEM-equivalent tasks.

Perfect for technicians, service engineers, or machinery builders requiring bulk fasteners for consistent field repairs or factory builds.

Key Features
TFCC head bolts with square collar for flush mounting
7/16″ x 55mm dimensions, high-strength 8.8 grade
Supplied with nuts for complete fastening
25 bolts per box for bulk repair or maintenance
Designed for tillage equipment and machinery assembly
Universal fit for multiple tractor and implement models
Perfect for: Agricultural implements, disc blades, workshop repairs