GRAINGER APPROVED . Z0782

Thumb Screw, Narrow Knurled Head, 18-8 Stainless Steel, Thread Size 1/4-20, Length 1 In, Head Diameter 0.313 In, Head Height 0.500 In, Class 2A, Rockwell Hardness B85-B95, Tensile Strength 80,000 PSI, Finish Plain Features Finish: Plain Item: Thumb Screw Length: 1" Material: 18-8 Stainless Steel Thread Size: 1/4-20 Class: 2A Head Type: Knurled Tensile Strength: 80,000 Rockwell Hardness: B85 to B95 Head Dia.: 5/16" Head Height: 1/2" Sy