Widely used in: thread repair
Features: overall quenching hardness is stable, tapping thread is sharp and hard, precision alloy steel material
Strong toughness, not easy to break teeth, long service life
Purpose/How to use
Die is used for tapping external threads, the diameter of the bar should be selected before tapping, the winch, the cutting lubricating oil, the diameter of the bar is very important, it should not be greater than the nominal diameter of the required thread, it should be less than the nominal diameter of about 005-0.15, the diameter is too large, It is easy to cause difficulty in cutting and cause damage to the die. A slightly smaller diameter is conducive to tapping the thread, and maintain a sufficient thread height. Load the end face of the die with the cutting cone up into the winch, and the positioning groove of the die should be the middle of the quasi-winch. The fastening screw, the screw is stuck into the socket of the plate and tightened. The end of the bar should have a 1 * 45 ° chamfer, but the chamfer should not be too large. The excessive chamfer is not easy to cut in. When tapping the thread, the cutting cone of the die is aligned with the bar, and try to keep the two coaxial.
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