#4-40 x 1 Inch Coarse Black Oxide Medium Carbon Steel Button Head Socket Cap Screw Best Seller More rugged applications like mining

More rugged applications like mining equipment may call for the larger M12 x 1

Hex Cap Screws feature a washer face under the head which creates a better seal when applying load

Length: 140 mm

A switch responds to an external force to mechanically change an electric signal

NC ZP PH PAN MS 4-40X1-1/2

#4-40 x 1 Inch Coarse Black Oxide Medium Carbon Steel Button Head Socket Cap Screw Best Seller More rugged applications like miningSocket head cap screws are commonly used in machine assembly for removable panels and parts. They have a round cap with a hex head and are tightened with a socket wrench drive. Longer caps are easier to see when fastened while button and flat head caps are less likely to snag clothing or linkages. Cap screws with a black oxide or armor coat finish resist corrosion.