Dormer Pramet is your simply reliable manufacturer for rotary and indexable drilling, milling, threading, and turning tools for the general engineering sector. Market-leading brands include Precision Twist Drill (PTD), Union Butterfield, Master, Dormer, and Pramet. With best-in-class training, support, and logistics services, Dormer Pramet has become the reliable one-stop-shop for general purpose and multi-application cutting tools.