... ,126,127,136,137,216,217,316,317,346,347RPM(r/min)140~60WOB(KN/mm)0.35~1.0Thread Connection7 ... , Eastern Asia, Western Europe1>Cutting Structure The durability of premium tungsten carbide insert is improved with new formulas and new techniques for ... gauge protection with gauge trimmers on the heel of cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and ...