5 Piece SAE Multiple Hole 50 Sizes HSS Step Drill Bit Set w/Aluminum

Segomo Tools Overall Size:Length: 7 inches / 178mmWidth: 5.1 inches / 130mmHeight: 1.96 inches / 50mm Material:High Speed Steel 4241 with titanium coating Details:100% brand newSegomo Tools 5 piece step drill bits set replaces 50 individual drill bits which saves you a lot of trouble and space.Two-fluted design provides smoother and faster cutting.High Speed Steel 4241 with titanium coating ensures the bits have exceptional durability and will stay sharp for many years. The bits are ideal for cutting holes in plastic board, aluminum sheets, wood board, steel sheets etc.The bits come supplied in an organized aluminum case for easy storage and transport.This set is a must-have for HVAC professionals and DIY enthusiasts. Contents:Drill Bit 1: (3/8". 10 Steps): 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8Drill Bit 2: (3/8". 12 Steps): 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8Drill Bit 3: (3/8". 9 Steps): 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4Drill Bit 4: (1/4". 13 Steps): 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2Drill Bit 5: (1/4". 6 Steps): 3/16, 1/4, 5/16, 3/8, 7/16, 1/2