McMaster 94895A823 SAE Grade 8 High Strength Steel Hex Nut, Pack of 50, Zinc Yellow Chromate Plated, 1 2" 13 Thread 73571002 Pipe Run 50 ft Drain Pipe Run 50 ft Drain Included Yes Adjustment Type Screwdriver Dome Material Transparent Nylon Oil Feed Type Micromist Max 37 stroke oz Series MAX* Battery Voltage 20 V Operating Pressure Maximum 10 Hex Nut Profile Standard Material Zinc Yellow Chromate Plated Steel Thread Size 1 2" 13 Width 3 4" Height 7 16" Fastener Strength Grade Class SAE Grade 8 Drive Style External Hex Nut Type Hex Thread Spacing Coarse Thread Type UNC Pack Size 50 per pack Country of Origin Canada Schedule B Number 731816 SAE Grade 8 high strength steel hex nut with zinc yellow chromate plating for corrosion resistance in wet and outdoor environments