ASTM A194 8M Heavy Hex Nut, ANSI B18.2.2, 8 UN, Class 2B, Size 1-1/2 Inch, SS316 Nut, For Kitchen Appliance, Sinks, Food Processing Equipments. Name: ASTM A194 8M Heavy Hex Nut Material: ASTM A194 8M, SS316 Usage: For Kitchen Appliance, Sinks, Food Processing Equipments Standard: ANSI B18.2.2 Thread: 8 UN Thread Class: 2B Size: 1-1/2 Inch