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GB/T 84-2018 方头凹端紧定螺钉 Square set screws with cup point2023-09-17

GB/T 2672-2017 内六角花形盘头螺钉 Hexalobular socket pan head screws2023-09-06

GB/T 74-2018 开槽凹端紧定螺钉 Slotted set screws with cup point 2023-09-04

GB/T 2672-2017内六角花形盘头螺钉Hexalobular socket pan head screws2022-06-16

GB/T 948-1988开槽沉头不脱出螺钉Slotted countersunk head screws with waisted shank2022-06-09

GB/T 845-2017十字槽盘头自攻螺钉Cross-recessed pan head tapping screws2022-06-09

HB 1-211-2002十字槽120°半沉头螺钉120° raised countersunk head screws cross recess2022-06-08

GB/T 5282-2017开槽盘头自攻螺钉Slotted pan head tapping screws2022-06-06