Weld Nut Tab Base with Projections Steel Plain Finish Thread Size 1/4-20 Thread Type UNC Thread Direction Right Hand Base Length 13/16 Base Width 1/2 Base Thickness 1/8 Pilot Height 0.054 Pilot Dia 19/64 Pilot Hole Size 5/16 Weld Projections 2 Projection Width 0.125 In Projection Height 0.023 In Projections At Opposite Ends Provide Equivalent Strength When Tension Is Applied Against The Weld. Package Quantity 50