3pcs 4-12/4-20/4-32mm HSS Titanium Coated Step Drill Bit Triangle Shank Step Drill

Description 3pcs 4 12 4 20 4 32mm HSS Titanium Coated Step Drill Bit Triangle Shank Step DrillSpecification Color GoldMaterial HSS High Speed Steel Diameter 6mm 4 12mm 8mm 4 20mm 10mm 4 32mm 4 12 4 6 8 10 12mm4 20 4 6 8 10 12 14 16 18 20mm4 32 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32mmShank Triangle handleFeatures Good chip removal ability and durable for use Professional design which makes drilling holes more precise with smoother cutting Works great in making a smooth clean and perfectly round hole Using to cut holes in a variety of materials Including steel brass wood plastic etc Package Included 3 x Step Drills1 x Storage BagMore Details