All Categories > Alloy Steel > Alloy Steel Round Bar > 4120 Alloy Steel Round Bar > Item # 16145 All CategoriesAll Categories Alloy SteelAlloy Steel Alloy Steel Round BarAlloy Steel Round Bar 4120 Alloy Steel Round Bar4120 Alloy Steel Round Bar Item # 16145 Item # 16145, 4120 Alloy Steel Round Bar 161454120 Alloy Steel Round Bar Request Information Email This Page Download PDF Download PDF Printable Page Close Window Unit of Measure Imperial Metric Both Specifications Size N/A 1/8 inches Size N/A 0.125 inches3.175 mm Material N/A Alloy Steel Shapeform N/A Round Bar