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  ISO7380 Hexagon Socket Button Head Screw 圆头内六角螺钉

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  DIN910 外六角锥形型闭锁螺钉（ 外六角油塞管螺纹）hexagon head screw plugs,cyl.thread

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  DIN916 Hexagon Socket Set Screws With Cup Point 凹端内六角紧定

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  DIN913 Hexagon Socket Set Screws With Flat Point 平头内六角紧定

• DIN908 内六角锥型闭锁螺钉（内六角油塞 管螺纹hexagon socket screw plugs,cyl. thread）

• DIN916K Hexagon Socket Knurled Set Screws With Cup Point 凹端内六角滚花紧定

• DIN915 Hexagon Socket Set Screws With Dog Point 柱端内六角紧定

• DIN914 Hexagon Socket Set Screws With Cone Point 尖端内六角紧定

• DIN912 Hexagon Socket Head Cap Screws 内六角圆柱头螺钉

• DIN910 外六角直型闭锁螺钉（ 外六角油塞公制细牙）hexagon head screw plugs,cyl.thread

• DIN908 内六角直型闭锁螺钉（内六角油塞hexagon socket screw plugs,cyl. thread）

• DIN6912 Hexagon Socket Thin Head Cap Screws With Pilot Rrcess For Wrench Key 内六角螺钉（薄型带扳手导向孔）

• DIN7984 Hexagon Socket Thin Head Cap Screws 薄型内六角螺钉

• DIN7991 Hexagon Socket Countersunk Head Screws 内六角沉头螺钉