locking fastener

基本解释

The button comprises a base and a fastener, wherein the fastener comprises a pressing piece and a locking piece;
该纽扣包括底座和扣件，扣件包括按件、锁固件；
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Self-locking, self-sealing and reusable element, Permanently embedded in the threads of a fastener, Strong metal-to-metal contact and positive resistance to vibration and loosening.
自锁，自密封，可重复使用，永久嵌入在紧固件的螺丝扣中，使得金属和金属的连接更加紧密，防止振动和松弛，是一款您理想的选择材料。
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The tooth orthodontics self-locking bracket comprises a bracket body and a bracket cover, wherein the bracket body and the bracket cover are connected by a rotatable flipping-type fastener.
所述的一种牙齿正畸自锁托槽，包括托槽体和托槽盖，所述托槽体与托槽盖之间为可转动翻盖式卡扣连接。
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