3,575 Grade 8 UNC Hex Head Cap Screw, Nut, and Washer Assortment Refill Diameter_1/2 Best For Shops working primarily

Best For Shops working primarily with tapped holes — when fastening into a tapped metal boss or threaded insert

Tube Clamp Selection Guide Rubber-cushioned tube clamps are sized to the outside diameter (OD) of the pipe or tubing being supported — not the nominal pipe size

small mechanical assemblies — automotive and general Installation tool Flat screwdriver or finger pressure — no snap ring pliers required Total pieces 343 Supplier Auveco

655-piece Grade 5 coarse-thread assortment as the Starter Kit — without the bin

Fabrication and custom metalwork — adding threaded connections to steel plate

3,575 Grade 8 UNC Hex Head Cap Screw, Nut, and Washer Assortment Refill Diameter_1/2 Best For Shops working primarilyThe same 3,575 piece Grade 8 coarse thread assortment as the Starter Kit without the storage. This version pairs Grade 8 hex head cap screws with all steel lock nuts for high temperature or heavy duty applications where nylon insert lock nuts aren't rated for the job. If you already own storage, this refill restocks it without paying for storage you already have. What's Included Grade 8 hex head cap screws 1 4" 20 through 3 4" 10 UNC, multiple lengths