BLUE RING Machine Taps, TiCN, DIN 371, HSS-E, M 3 x 0,5 

wear resistant steel up to 1.200 N/mm² - high alloy steel - short-chipping material - short-chipping stainless steel - alloy tool steel - for through holes TiCN-coating - excellent wear resistance by improved hardness and thoughness - intensive and optimal cooling required because of lower heat resistance Thread type: metric ISO-thread DIN 13 Norm: DIN 371 Material: HSS-E