... : stainless steel 200, 201, 304, 316 Set Screw Knurlled1. Standard: DIN, ANSI, GB and non-standard;2. Head: Hexagon Socket, Phillips ... . Raw Material: bought from Group Company, with stable quality and completive price;6. Processing: by cold-forging machines, together ... with precise moulds and punch pins;7. Length: 3mm to 60mm.8. Other name: grub screw Set Screw Knurlled