Slotted set screw with cone point DIN 553 Brass CU2/CU346603
Hexagon socket set screw with cup point UNF ASME B18.3 Alloy steel ASTM F912 PlainU07852
Hexagon socket set screw with knurled cup point UNC ASME B18.3 Alloy steel ASTM F912 Plain #4-40X1/8U07890.011.0012
Slotted set screws ISO 2342 Steel Plain 14H20055