McMaster 94895A029 SAE Grade 8 High Strength Steel Hex Nut, Pack of 100, Zinc Yellow Chromate Plated, 1 4" 20 Thread 30C515 4% 50 State VOC Compliant 4% 50 State VOC Compliant Yes USDA Certified Biobased Product Not USDA Certified Biobased Product Green Environmental Attribute Does not contain reproductive or developmental toxins (CA list) Item Building Wire Trade Designation THHN Voltage 600V AC Jacket Color White Insulation Material PVC Temp Hex Nut Profile Standard Fastener Strength Rating High Material Zinc Yellow Chromate Plated Steel Thread Size 1 4" 20 Width 7 16" Height 7 32" Fastener Strength Grade Class SAE Grade 8 Drive Style External Hex Nut Type Hex Performance High Strength System of Measurement Inch Thread Direction Right Hand Thread Fit Unified Standard Class 2B Thread Spacing Coarse Thread Type UNC Pack Size 100 per pack Country of Origin Canada DFARS Compliance Specialty Metals Compliant (252 SAE Grade 8 high strength steel hex nut with zinc yellow chromate plating for corrosion resistance in wet and outdoor environments