'Shoulder Screw, Precision, 18-8 Stainless Steel, Plain Finish, Hex Socket Drive Type, Drive Size 1/8, Thread Size 10-32, Shoulder Dia 1/4 In, Screw Shoulder Length 1/8 In, Thread Length 1/4 In, Head Dia 3/8 In, Head Height 3/16 In, Shoulder Dia Tolerance -0.001 In, Shoulder Length Tolerance +0.002 In, Min Tensile Strength 90, 000 PSI, Class 2A, Rockwell Hardness B95-B100, Meets ASME/ANSI B18.3.3, Package 10'