Thumb Screw Type S Type Thumb Screw Finish Plain Material 18-8 Stainless Steel Thread Size #8-32 Fastener Length 1/2 in Head Width 0.359 in Head Height 0.391 in Tensile Strength - Head Type Spade Maximum Head Height 0.391 in System of Measurement Inch Head Material 18-8 Stainless Steel Head Shape Spade Package Quantity 5