Thumb Screw, Grip Style Knurled, Type Thumb Screw, Finish Plain, Material Stainless Steel, Thread Size 1/4 In.-20, Fastener Length 3/4 in, Thread Length 5/8 in, Head Width 0.188 in, Head Height 0.188 in, Tensile Strength 80,000 psi, Maximum Head Width 3/16 in, Minimum Head Width Not Applicable, Maximum Head Height 3/16 in, Minimum Head Height Not Applicable, System of Measurement Inch, Drive Slotted, Drive Size 3/64 in, Head Material Stainless Steel, Head Shape Round, Package Quantity 5