Comparison : Item # 4-40 x 1/4 Half Dog PASS, 4-40 Diameter and 1/4 Inch (in) Length Half Dog Point Alloy Steel Socket Head Set Screw with Nylon Insert
Item # 4-40 x 5/16 Half Dog PASS, 4-40 Diameter and 5/16 Inch (in) Length Half Dog Point Alloy Steel Socket Head Set Screw with Nylon Insert
Item # 4-40 x 3/8 Half Dog PASS, 4-40 Diameter and 3/8 Inch (in) Length Half Dog Point Alloy Steel Socket Head Set Screw with Nylon Insert
Item # 4-40 x 7/16 Half Dog PASS, 4-40 Diameter and 7/16 Inch (in) Length Half Dog Point Alloy Steel Socket Head Set Screw with Nylon Insert
Item # 4-40 x 1/2 Half Dog PASS, 4-40 Diameter and 1/2 Inch (in) Length Half Dog Point Alloy Steel Socket Head Set Screw with Nylon Insert