M3x0.5 ROLL D371 6HX FCS TiN TAP

FCS Type HSS-E Fluteless tap with a 2-4 thread lead. For roll tapping in materials with an elasticity of over 10% up to 900 N/mm2. Special attention is required to obtain the correct core hole size. Available with lubrication grooves for deeper threads over 2.5 x diameter and to produce a more accurate thread form.