Каталог Widia 2017 Металлорежущий инструмент Стр. X9 1703 ENG Lab2u
wmiA High-Performance Taps Grades and Grade Descriptions GTD Coatings are designed for optimised tapping performance in specific materials. resistance wear toughness Coating Grade Description 05 10 15 20 25 30 35 40 45 WU41EG Coated HSS-E substrate with TiN PVD layer. Use in multiple applications, including V 7i j G E 3 H W j HSS-E substrate with black oxide surface treatment. Use in a variety of materials, including steel, stainless steel, and ductile iron. Not recommended for non-ferrous G E o U W A Uncoated HSS-E grade with bright surface. Use in easy-to-machine, G E z W 7T Coated HSS-E, PVD lower vanadium HSS-E substrate with DLC coating. Use for tapping non-ferrous materials with low cutting temperatures like J N