McMaster 94895A036 SAE Grade 8 High Strength Steel Hex Nut, Pack of 20, Zinc Yellow Chromate Plated, 3 4" 10 Thread G4116594 Inside Length 3 4 in Inside Length 3 4 in MRO Hz 50 60 Standards CSA Certified Features LCD Display Welding Processes Flux Cored Welding (FCAW) SAE Grade 8 high strength steel hex nut with zinc yellow chromate plating for corrosion resistance in wet and outdoor environments Hex Nut Profile Standard Material Zinc Yellow Chromate Plated Steel Thread Size 3 4" 10 Width 1 1 8" Height 41 64" Fastener Strength Grade Class SAE Grade 8 Drive Style External Hex Nut Type Hex Thread Spacing Coarse Thread Type UNC Pack Size 20 per pack Country of Origin Canada Schedule B Number 731816