N a screwed bolt with a cylindrical head having a hexagonal recess. The bolt is turned using a wrench of hexagonal cross section 帽螺钉
Accessories package: protect ring, plastic cap screw.
配件包:护线圈及胶帽螺钉。
To adjust the setting of the valve, loosen locking cap screw with hex wrench, see Figure 3.
如果要调节阀门的设置,则利用六角扳手松开锁紧帽螺丝,参阅图3。
Tapping is the process of cutting a thread inside a hole so that a cap screw or bolt may be threaded into it.
攻丝是在一个孔中车出螺纹,以便装上有帽螺钉或螺栓。
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