Flat Head Screw Action

Flat head screw, which has a screw body, the shaft surface of the screw body to form an axial extension of the screw teeth, and at the end of its tail with at least one cut groove, the cut groove above the groove and then to the center of the screw body to dig a row of chip grooves, the chip groove deep inside the screw body and beyond its center line a predetermined angle, to provide the role of avoiding chipping blocking the groove.

Flat-head screws

The axial surface of the screw body forms a screw tooth with an axial extension, with at least one cut at the end. Dig a row of chip grooves into the center of the screw in the grooving mouth, which is deep inside the screw and beyond the intended angle of the center line, the main function is to avoid the chip blocking the cut out.

Sink screw

The screw head into a 90-degree cone, the head has a tool to tighten the groove, there is a word groove, cross groove, inner hexagon algoil, plum slot, etc.

On the surface of the mounting hole on the connector, the processing has a 90-degree tapered round nest, the head of the flat machine screw in this nest, and the surface of the connector is flush. Flat machine screws in some occasions also use a semi-circular head flat machine screw, this screw is more beautiful, for the surface can allow a little protruding place.

Screws act as a connection between two or more objects and are essential in daily life or in industrial manufacturing.

There are head bolts (with grooves), head bolts (with slugs)