#4-40 Thread Size, Knurled, Thumb Screw - 5RA60|Z2361 - Grainger

Thumb Screw, Grip Style Knurled, Type Thumb Screw, Finish Plain, Material 18-8 Stainless Steel, Thread Size #4-40, Fastener Length 3/8 in, Thread Style Fully Threaded, Thread Length 3/8 in, Head Width 0.313 in, Head Height 0.188 in, Tensile Strength 90,000 psi, Head Type Knurled, Maximum Head Height 0.188 in, System of Measurement Inch, Features Diamond Knurl, For Use in Systems Jig and Fixture Component, Head Material 18-8 Stainless Steel, Head Shape Round