Hss Unibit 1/4 To 1-1/8 Inches M2 HSS Step Drill Bit, Unibit Brunei M2 High Speed Steel Drill Bit ✔️ HIGH-VISIBILITY size marks for primary hole sizes will really save your time during drilling! Makita® 711492-A - 1/8" to 1/2" HSS Fractional Step Drill Bit You can easily stop on any hole size! The IRWIN® UNIBIT® HSS Fractional Self-Starting Step Drill #5, 1/4 - 1-3/8, is ideal for drilling clean, smooth holes in mild steel, copper, bass, aluminum, plexiglass, wood, and laminate. Crafted of high-speed steel, it has a SpeedPoint® tip that guarantees fast starts* and a single-flute cutting edge for drilling true, round holes with a precise step control for multiple sizes. Hole... This strong material makes it EASIER to drill holes especially in metal and ensures longer to cut MORE holes! Step Drill Bit Set, 3-12, 4-12, 4-20mm Unibit Core Stepped Bits, Hex Size includes 1/4'', 5/16'', 3/8'', 1/2'', 5/8'', 3/4'', 7/8'', 1'', 1-1/8''.
