square screw

Connecting bolts are arranged in the plugging conical points, and an anti-rotation key and an outer six-square sleeve which can realize the linkage are arranged on the screw bolt.

封堵内置有连接螺栓，螺栓上设有防转键及实现连动的外六方套。

Project profile: cemented carbide rods include rods with the shapes of round, rectangular and square, solid rods and rods with one or more straight or screw coolants.

建设内容：硬质合金型材主要包括园棒材、直孔棒材、带双螺旋孔棒材以及扁材、矩形管材等。

Hsieh Yu butterfly valve is designed for installation with square screw, nut and washer.

协羽的蝶阀安装设计是使用方形螺丝, 螺母及华司所组成.

The main products are Confirmat screw, European screw, Square neck screw, Shelf support, and so on.

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。