半圆头低方颈螺栓。
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。
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.
主要产品有家具螺丝，欧洲螺丝，方颈螺栓太阳能专用不锈钢螺丝，双头螺栓，板托等各种非标件。
The main products are Confirmat screw, European screw, Square neck screw, Shelf support, and so on.
用多工位冷镦机生产半圆头方颈螺栓 ，对方颈部分的成形采用切挤成形工艺 ，用这种方法生产的产品 ，外形美观 ，质量稳定。
The cup head square neck bolts are made on the multiple station cold header, and cut squeeze technology is used to get the square neck.
本文介绍作者自行设制的多枚螺栓内固定治疗不同类型的新鲜股骨颈骨折76例。
This article introduce 76 cases of different types of fresh fracture of collum femoris that were treated by several bolts which were designed by the author.
马车螺栓，阶梯螺栓和电梯螺栓的颈是什么形状？
What type of neck is under the head of a carriage bolts, a step bolt and an elevator bolt ?
马车螺栓，阶梯螺栓和电梯螺栓的颈是什么形状？
What type of neck is under the head of a carriage bolts, a step bolt and an elevator bolt ?
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