square bolt

A threaded hexagonal or square-headed bolt with a nut; tightened with a wrench; used to connect metal parts.

一种带有螺母的六角形或圆头螺纹螺丝；用扳手拉紧；用于连接金属。

Heading-Extrusion Technology of Flat Countersunk Square Neck Bolt

沉头方颈螺栓镦挤工艺

Universal actuator mounting accepts ISO, MSS or comparable square bolt-pattern actuators.

通用的执行机构安装方式,可适用于ISO, MSS或 类似方形螺栓模式的执行机构.

Universal actuator mounting plate accepts ISO, MSS or comparable square bolt-pattern actuators.

通用的执行机构安装面板方式,可适用于ISO, MSS或 类似方形螺栓模式的执行机构.

Carriage bolt ( coach bolt): Has a domed or countersunk head, and the shank is topped by a short square section under the head.

马车螺栓（螺栓教练）：有一个圆顶或沉头，而小腿是由简短根据头方节突破。