Stainless 4-40 x 1" (1/4" to 1" Available) Socket Set Screws Cup Point, Stainless Steel 50 Qty W/Hex Key Wrench (4-40 x 1") : Amazon.co.uk: DIY & Tools
D-SUB JACK POST SET Screws Nuts Connectors Couplers Standard UNC 4-40 ~ CHOICE | eBay
Hex Socket Set Screw M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Carbon Steel Grub Screw Grade 12.9 Black Color Match with Hex Socket Wrench-M2.5,5 mm - 100 pcs,Black : Amazon.co.uk:
Set screw UNC #4-40 stainless steel (similar DIN 916), 1,3
Camcar SDSS0040025CP-PK100 | Socket Set Screw Cup, 4-40 X 1/4 Size, 100Pk | Raptor Supplies United Kingdom