PLATINUMEDGE Step Drill Bits Set - 4241 HSS 5 Pcs

PREMIUM STEP DRILL BIT: Each step bit is constructed of industry grade 4241 HSS with nitride black coating and polished, ensures superior durability and cutting performance. DOUBLE-FLUTE DESIGN: Double cutting blade design guarantees a faster and smoother cutting, allowing particles to escape easily. STEP BITS WITH MULTIPLE DRILL SIZES: 5PCS-50sizes - Bit #1 (6 Steps): 3/16""-1/2""; Bit #2 (9 Steps): 1/4""-3/4"";Bit #3 (13 Steps): 1/8""- 1/2""; Bit #4 (12 Steps):3/16""- 7/8""; Bit #5 (10 Steps):1/4"" - 1-3/8""; Just 5 pieces to meet all your needs. STURDY STORAGE BOX: Stored in a sturdy plastic box with a clear lid that you can find the drill at a glance. WIDLY APPLICATION: Strength to punch and drill clean holes; Great for steel sheets/ aluminum sheets/ copper board and many other types of sheet metal with ease countersunk; Suitable for Home DIY, and General Building/ Engineering Use