Classification of Ladder Bits

- Jan 03, 2019-

According to the Groove shape of the product, can be divided into three types of straight groove, Spiral groove, arc groove;According to the number of product edges can be divided into single-edged, double-edged, three-edged, four-edged and multi-edged ladder drilling; Ladder drilling normal for the national standard, in the daily industrial use of most for the custom-made non-standard, the general production ladder drilling manufacturers to provide drawings can be produced.