9409產品概述
4-40 Thread Size, Binding Head Type, 0.250 in. Thread Length, Machine Screw
Suited for a variety of fastening applications to assure firm, electrical and mechanical connections. Flat Head styles for use where fasteners cannot protrude above mating surfaces. Pan Head types to replace round head styles and for cosmetic enhancement and smooth surface area uses.
Binding head type, 4-40 thread size.