#4-40 X 5/16" Machine Screws | Undercut Binder Head | Phillips Drive | Steel Zinc Plated (10000/Pkg.) U Bolts and a standard 12-24 thread

and a standard 12-24 thread pitch with a 1/4 inch length

and industrial applications

Diameter x Length: 1-1/8 x 66

suitable for marine and outdoor applications

#4-40 X 5/16" Machine Screws | Undercut Binder Head | Phillips Drive | Steel Zinc Plated (10000/Pkg.) U Bolts and a standard 12-24 threadEngineered for reliable, precise fastening, Machine Screws Phil Undercut Binder Zinc Plated 4 40 X 5 16 deliver durability for metal assemblies. The Phil Undercut Binder head provides a flush seating and enhanced drive compatibility with standard Phillips drivers. The screws are zinc plated for corrosion resistance, and measure 4 40 in diameter with a 5 16" length. Diameter Thread: 4 40 Length: 5 16 inch Head style: Binder Drive: Phillips (Phil)