Best Choice Dorian GG35SW2S20C Knurling Wheel – 1/4″ Hole Dia, 1/2″ Dia, 20 TPI

• “SW” knurling wheels are technically designed to knurl against a square shoulder. • With super precise workmanship, the wheels are made of heat treated High Cobalt Steel to withstand severe knurling operation. • Knurl wheels are Titanium Nitrating coated to reduce the co-efficient of friction when knurling, increasing the quality and the force of knurling as well as the life of the knurl wheels. • All SW Series knurl wheels are available only in cobalt and tin coated.