Weld Nut Material Steel Finish Black Oxide Thread Size 3/8 In.-16 Base Height 1/8 in Base Width 9/16 in Base Length 1 1/4 in Collar Height 0.09375 in Collar Diameter 0.4375 in System of Measurement Inch Base Shape Hex Barrel or Collar Type Pilot For Hole Diameter 29/64 in Hole Center to Outside Edge 11/32 in Hole Location Offset Pack Size Small Pack Package Quantity 50