J系列（Eco Extra）
Ideally for machining ferrous materials up to pre-hardened state of 45HRc hardness.
Design for Economical Production with special geometry for smoother & better chip evacuation.
SAF Coolest v1.3.1.1 设置面板 NHMSX-ZPHD-WDSZE-AAE
违禁词： 第一，最，一流，领先，独一无二，王者，龙头，领导者，极致，