Uniform knurl diameter reduces the risk of sink marks in molded parts, while varying lengths cater to diverse injection molding assemblies. These aluminum inserts, perfect for lightweight designs, offer a lead-free alternative in both aluminum and stainless steel options. The through-threaded design ensures secure fastening, with a 3/8-16 thread size in 300 series stainless steel material, finished with passivation for optimal performance. Fully RoHS compliant, these inserts are a reliable choice for precision engineering applications.