Slotted set screw DIN 427 Steel Zinc plated 14H20051
Hexagon socket set screw with cup point UNF ASME B18.3 Alloy steel ASTM F912 PlainU07852
Slotted set screw DIN 427 Stainless steel A4 5055296
Hexagon socket set screw with knurled cup point UNC ASME B18.3 Alloy steel ASTM F912 Plain #4-40X1/8U07890.011.0012