1/2-13 18-8 Stainless Steel Wing Nut / THREAD CLASS: 2B THREAD DIRECTION: RIGHT-HAND FABRICATION METHOD: STAMPED WING SPREAD WIDTH: 1.94 INCHES NOMINAL OVERALL HEIGHT: 1.00 INCHES NOMINAL BODY DIAMETER: 0.906 INCHES NOMINAL NUT STYLE: A260 WING THREAD SERIES: UNC THREAD QUANTITY PER INCH: 13 HARDNESS RATING: 76.0 ROCKWELL B MINIMUM NOMINAL THREAD SIZE: 0.50 INCHES SPECIAL FEATURES: PROVIDE EXCELLENT CORROSION RESISTANCE AND MAY BE MILDLY MAGNETIC; GOOD FOR MAKING ADJUSTMENTS IN THE FIELD MATERIAL: STEEL CORROSION RESISTING OVERALL