Length is measured from underneath the head to endIdeal for use in applications where frequent disassembly occursTighten and loosen by handDiameter: 5/16 Inch Finish: Zinc Head Height: 0.640 Inch Head Thickness - Middle: 0.09 Inch Head Thickness - Top: 0.17 Inch Head Width: 0.96 Inch Industry Standard: ASME/ANSI B18.6.8 Item: Thumb Screw Length: 3/4 Inch Material: Steel Measurement: Inch Thread Type: Coarse Threads Per Inch: 18 Type: Full Threaded 
