SHARPTOOL 1/4 to 1-3/8 Inches HSS Step Drill Bit for Metal, Plastic, Wood, Aluminum, Heavy Duty Unibit with Multi Hole Sizes

Key features

• ✔️ SHARPER | FASTER | Cut MORE holes: SHARPTOOL step bits are made of M2 High-speed steel which is much more stronger than ordinary HSS. This strong material makes it EASIER to drill holes especially in metal and ensures longer lifetime to cut MORE holes!
• ✔️ Surface NIRTIDING TREATMENT provides excellent wear resistance compared to titanium coating.
• ✔️ HIGH-VISIBILITY size marks for primary hole sizes will really save your time during drilling! 15 Step sizes allows you to drill holes of various diameters. You can easily stop on any hole size! Size includes 1/4", 11/32", 27/64", 1/2", 19/32", 11/16", 25/32", 7/8", 11/32", 1-3/64", 1-1/8", 1-7/32", 1-1/4", 1-5/16", 1-3/8".
• ✔️ NO PILOT HOLES REQUIRED | Split point tip allows you to drill directly on the material without any pilot holes. Self-centering and non-walking tip design will make your drilling work FASTER and EASIER!
• ✔️ DOUBLE FLUTES & TRI-FLATTED SHANK | Double flutes design provides faster cutting and drilling than single flute bits. 3/8 Thick tri-flatted shank makes it fit impact driver or other power tools securely and non-slip.