标准:
标准库
(8)
EN 27435-1992Slotted set screws with long dog point
EN 27436-1992Slotted set screws with cup point
EN 24766-1992Slotted set screws with cone point
EN 27434-1992Slotted set screws with cone point
EN 24766-2008Slotted set screws with cone point
EN 27434-2008Slotted set screws with cone point
EN 27435-2008Slotted set screws with dog point
EN 27436-2008Slotted set screws with cup point