McMaster 94895A823 SAE Grade 8 High Strength Steel Hex Nut, Pack of 50, Zinc Yellow Chromate Plated, 1 2" 13 Thread 7530 01 562 3259 Series Delta(TM) Harness Application Welding Series Delta(TM) Harness Application Welding Webbing Material Nomex(R) Kevlar(R) Harness Style Vest Includes Padding No D Ring Locations Back Main Circuit Breaker or Main Lug Main Lug Number of Spaces 3 Amps 100A Phase 3 Recommended Surface Cover Included Enclosure Material Steel Enclosure NEMA Rating 3R For Use With Square D QO Circuit Breakers Finish Enamel Color Gray Mounting Style Surface Location Outdoor Recommended Service Ground Kit PKOGTA2 Cover Attachment Style Top Hinge Max 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 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