1/4-28 X 5-1/2" Hex Head Cap Screws | USA Made | Grade 8 Steel Plain | Partially Threaded (50 / Pkg.) Mil-Spec These screws are sized 1/4-20

These screws are sized 1/4-20 x 4-1/2 for durable

Corrosion resistance: Natural oxide layer provides durability in workshop and field environments

Choose these machine screws for high-strength fastening where durability and rust resistance matter

The Torx Alt drive provides superior torque transfer and reduced cam-out compared to traditional Phillips or slotted drives

and securing hardware in indoor or outdoor environments where rust resistance is important

1/4-28 X 5-1/2" Hex Head Cap Screws | USA Made | Grade 8 Steel Plain | Partially Threaded (50 / Pkg.) Mil-Spec These screws are sized 1/4-20Grade 8 Steel Plain hex head cap screws, partially threaded, size 1 4 28 x 5 1 2". A dependable fastener for machinery, equipment assembly, and general industrial use. Grade 8 Steel Plain construction partially thread configuration Hex head for wrench or socket drive For machinery, equipment, and general purpose fastening Specifications Type: Hex Head Cap Screws Thread Size: 1 4 28 Length: 5 1 2" Material: Grade 8 Steel Plain Thread: Partially