Specification Brand : Lichamp BulletPoint1 : ONE BIT FOR ALL DRILLING: Come with 19 sizes (3/16", 9/32", 3/8", 7/16", 17/32", 5/8", 11/16", 25/32", 7/8", 29/32", 31/32", 1", 1-1/16", 1-1/8", 1-5/32", 1-7/32", 1-9/32", 1-5/16", 1-3/8"), saving your time and efforts to change bits BulletPoint2 : UNIQUE DESIGN: Genuine M2 high-speed steel with black oxide coating ensures durability and sharpness, reduced friction, and cooler operation. The unique 1/2" Square Drive design, suitable for impact wrench BulletPoint3 : DURABLE AND STRONG: Excellent performance in heat, corrosion and rust resistance, extending the life of the cutting edge even in extreme temperatures BulletPoint4 : EXTRA LARGE STEPS DRILL: 19 size multiple hole stepped up bits, have many steps which contain multiple diameters, convenient to drill different hole size by using a step drill rather than many drills, ideal for DIY projects at home, garden, workshop BulletPoint5 : HIGH PERFORMANCE: 118 degrees split point tip increase the wear resistance. Two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation, can be used on electrical drill, cordless drill CuttingAngleString : 118 degrees FinishType : Black Oxide IncludedComponents : M2 Step Drill Bit for impact wrench ItemName : Lichamp Unibit Step Drill Bit, Genuine HSS M2 Impact Wrench Stepper Bit, 19 Sizes from 3/16" to 1-3/8", Dual Straight Grooved with 1/2" Square Drive, A5BK ItemPackageDimensions_Height : 15.9 centimeters ItemPackageDimensions_Length : 3.9 centimeters ItemPackageDimensions_Width : 9.6 centimeters ItemTypeKeyword : step-drill-bits Manufacturer : Lichamp Material : M2 High Speed Steel ModelNumber : SDB-A501BK NumberOfFlutes : 2 NumberOfItems : 1 PartNumber : SDB-A501BK ProductDescription : Typical Data / Physical Properties: Brand: Lichamp Type: M2 Step Drill Bit for impact wrench Meterial: M2 High Speed Steel Thread Style: Right Finish Type: Black Oxide Color: Black Number of Steps: 19 Style: Dual-Flute Step Bits Cutter Geometry: Dual-Flute Angle Point: 118 Degree Flute Type: Straight Shank Type: 1/2" Square Drive Package: Plastic Case Package Quantity: 1 Environment: Indoor and Outdoor Size: 19 Sizes from 3/16" to 1-3/8" Hole Diameter: 3/16", 9/32", 3/8", 7/16", 17/32", 5/8", 11/16", 25/32", 7/8", 29/32". 31/32", 1", 1-1/16", 1-1/8", 1-5/32", 1-7/32", 1-9/32", 1-5/16", 1-3/8"
Features: 1. Genuine M2 HSS with black oxide ensures durability and sharpness which can reduce the friction and run cooler. 2. Drills holes of various sizes without changing bits, Smoother and rounder holes, Prevents metal scurf from flying around for improved safety. 3. 118 degrees split point tip provides faster cutting and prevent sliding while increasing the wear resistance. 4. Double flutes design allows the particles escape easily for a clean drilling operation. 5. Great for sheet metal, aluminum sheets, wood chips, plastic and wood board. It's a perfect choice for DIY and engineering use. 6. Come with a small plastic box for easy storage and organizing.
Tips: 1. Suitable for 1/2 impact wrench, NOT compatible with electric drills. 2. Please do not set drilling speed too high to avoid damages to cutting edge. 3. Please use water to cool down the bit after in operation for a while to improve service life. 4. It is recommended to oil the bit before every use. 5. Please drill a smaller hole to make drilling smoother. 6. The thickness shall NOT exceed the height of each increment of the step drill bit.