bolt head

基本解释

The design of the bolt head insures that the bolt will not slip or rotate when the rubber is turned.
这种设计确保了在旋转橡胶的时候螺栓不会滑动或旋转。
The utility model discloses a T-shaped bolt which is composed of a bolt head (1) and a screw rod (2);
本实用新型公开了一种T型螺栓，它由螺栓头（1）和螺杆（2）构成；
ip.com
Mesh column connection with the use of semi-circular bolt head square neck, with anti-theft rings and washers, to prevent the separation can be artificially demolition.
网片与立柱的连接采用半圆头方颈螺栓，配以防盗垫圈，能防止隔离栅被人为地随意拆卸。