discount 70% in 2018-09-24 to 2018-09-26
price: USD$ 36.40
freight :USD$7.00,(Postal parcel)
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EX-POT is a standard conventional hole with tip tap.
In general the apex wire tapping with hand tapping for straight grooves are the same, but at the front end of the cutting part with spiral grooves with special design, so as to push the rotating chip discharged from the hole below the tip of the wire is mainly used for a variety of attack through the threaded hole material was cut, because the tip of the wire with this attack the rotating chip from the function, in addition to keep clean in order to reduce the resistance of groove cutting outside, and can avoid the damage caused by the wire tapping chip. Therefore, apex wire tapping can be used than hand tapping for faster speed high precision thread cutting.
Applicable materials: low carbon steel, alloy steel, copper, aluminum, magnesium alloy, non ferrous metal, is universal.