'Thumb Screw, Knurled Small Diameter With Shoulder Head Type, 18-8 Stainless Steel, Thread Size 10-32, Length 1/2 In, Head Width 5/32 In, Head Thickness 5/32 In, Head Diameter 29/64 In, Head Height 5/32 In, Shoulder Dia 3/8 In, Screw Shoulder Length 11/64 In, Class 2A, Rockwell Hardness B85-B95, Tensile Strength 80, 000 PSI, Passivated Finish, Package 5'