Walter Surface Technologies Multi-Step™ 01W111 Durable Heat-Resistant High Performance Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, 9 Steps, M2 Steel Alloy, 3/8 in Shank
Walter Surface Technologies Multi-Step™ 01W111 Durable Heat-Resistant High Performance Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, 9 Steps, M2 Steel Alloy, 3/8 in Shank