Do you want to understand the principles of metric thread tap?

2025-09-01 14:31:57

The chip groove of metric Thread tap is spiral shaped and can be divided into left-hand and right-hand according to the different rotation directions. When tapping with a left-hand spiral groove tap, the chips are discharged downwards, which is suitable for through holes; The right-handed spiral groove tap discharges chips upwards during tapping, suitable for blind holes.

Thread tap are the most commonly used type, adopting different helix angles according to different operating conditions, with the common ones being right rotation of 15 ° and 42 °. Generally speaking, the larger the helix angle, the better the chip removal performance. Suitable for blind hole processing. Do not use during through-hole processing.

The machining of deep blind holes and screw holes on difficult to machine metal parts using metric thread tap is a quite complex process, particularly prominent when machining high-precision screw holes.

metric thread tap allow the chips to be continuously discharged in a spiral shape, avoiding chip blockage and preventing the threaded surface from being scratched by chips and the tap from breaking. metric thread tap can be tapped in one go and are suitable for use in machining centers and automatic high-speed production lines.