For use with 29 degree trapezoidal 3ACME nut turning tools. Lathe 3ACME Female Boring Bar Turning Tools. Shanks are made of spring steel, heat treated and finish machined. Can be used for positive and negative threading Inserts made of high-end German carbide. 5-axis tool grinding for machining thread angles with high precision and sharp edges Special German coating on the surface to improve the life of the insert, high temperature resistance, not easy to wear and tear Can process steel, suitable for carbon steel, stainless steel cast iron, heat treatment steel processing Products include SUNR0025S27 27UERL3ACME.Turning Tools For Worm Gears. Internal Threading Boring Bar Turning Tool Holder 27UERL3ACME Threading Inserts. Can be used for positive and negative threading. Inserts made of high-end German carbide.
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