1/4"-20 X 4" Machine Screws | Flat Head | Phillips Drive | Steel Black Oxide (500/Pkg.) Straight Shank Thread size: 1/2-20

Thread size: 1/2-20

and equipment where a secure

Stock up now to ensure you have a dependable supply of everyday fasteners for large projects

pair with the correct nut or tapped hole and use proper torque to achieve desired clamping force

1/4"-20 X 4" Machine Screws | Flat Head | Phillips Drive | Steel Black Oxide (500/Pkg.) Straight Shank Thread size: 1/2-20Machine Screws Phil Drive Flat Steel Black Oxide 1 4 20 x 4 in offer reliable, metal to metal fastening for a wide range of projects. The Phillips drive enables quick, tool friendly installation, while the steel body with a black oxide finish delivers durability and a sleek, low glare appearance for machinery, equipment, and general metalwork. Specifications Thread size: 1 4 20 (UNC) Length: 4 in Drive type: Phillips Material: Steel Finish: Black