TAP BURRING

TAP BURRING

HERRAMIENTAS FORMADO

FORMING UP

FORMING UP

When threading a thin sheet metal for screw, forming tool forms tubes for making screw threads.

Forming process for making tubes of threading for screw.
Threading for screws and increased bearing area for tubes.

This photo is viewed from the opposite side to the above.

This photo is the example when the thickness is 1.8 times thicker than the above.
It has tears like petals.

It forms a tube from the workpiece and the tube is the same thickness as the workpiece.
There is a great demand for M３～M6.

1）Height(H) is almost same as material thickness.
2）There are two types of tooling.
　・One is forming together with pre-piercing at the same time.
　・And the other is forming after pre-piercing.
3） Please indicate the screw size or diameter (A),
when you order.
Our standard size is shown in the table below.
4）Upward pin of the standard dimensions has "TiN coating process" for better durability.