Thumb Nut Head Shape Round Finish Plain Material Grade/Class 18-8 Material Stainless Steel Thread Size #8-32 Overall Height 9/32 in Head Height 1/8 in Head Diameter 7/16 in Base Height 5/32 in Base Diameter 3/8 in Thread Length 9/32 in System of Measurement Inch Thread Direction Right Hand Material Quality Standards ASTM 581/582 Pack Size Small Pack Package Quantity 5