Walter Surface Technologies Multi-Step™ 01W001 Durable Heat-Resistant High Performance Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, M2 Steel Alloy, 1/4 in Shank
Walter Surface Technologies Multi-Step™ 01W001 Durable Heat-Resistant High Performance Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, M2 Steel Alloy, 1/4 in Shank