Slotted set screw with cone point DIN 553 Brass CU2/CU346603
Hexagon socket set screw with knurled cup point UNC ASME B18.3 Alloy steel ASTM F912 Plain #4-40X1/8U07890.011.0012
Hexagon socket set screw with knurled cup point DIN ≈916 Steel Plain 45H07890
Slotted set screw with cup point DIN 438 Steel Plain 14H20000