Best Seller | ZORO SELECT U48170.025.0050 1/4"-20 x 1/2 in Slotted Flat Machine Screw, Plain Machine Screw, Head Type Flat, Material Brass, Finish Plain, Drive Slotted, Thread Size 1/4 In.-20, Fastener Length 1/2 in, Head Width 0.477 in, Head Height 0.153 in, Tensile Strength 60,000 psi, Dimensional Standards ASME B18.6.3, Pack Size Small,... ... more ZORO SELECT U48170.025.0050 1/4"-20 x 1/2 in Slotted Flat Machine Screw, Plain Machine Screw, Head Type Flat, Material Brass, Finish Plain, Drive Slotted, Thread Size 1/4 In.-20, Fastener Length 1/2 in, Head Width 0.477 in, Head Height 0.153 in, Tensile Strength 60,000 psi, Dimensional Standards ASME B18.6.3, Pack Size Small,... | | $15.65 go to store |