3Pcs Step Drill Bit, Step Drill with a Storage Bag, 4-12mm, 4-20mm and 4-32 mm Step Drill Bits Set, Cone Cutterc for Thin Iron Plate, Stainless Steel Plate, Aluminium Plate, Wooden Board

• Packaging Includes: You will receive 3pcs step drill bits and a portable fabric bag.The pagoda drill bit set contain 3 size: 4-12mm, 4-20mm and 4-32 mm
• Material: High Speed Steel Drill bits are made of classic high-speed steel materials,with titanium coating.Provide good heat,wear and chip resistance,easy to drill and precise holes
• Design: 118 degrees split point drill bits penetrate quicker with less pressure needed, minimizing bit walking while ensuring a crisp, centered drill hole that doesn’t require a center punch
• Easy to Use: The bits have 1/4-inch hex shank, Easy to fits and securely into most power drills tools to prevent slippage and shedding during rotation
• Wide Application: The step drill bits can process different diameter holes. Idea for drilling holes in sheet metal, aluminum, brass, copper, wood, iron and plastic

3Pcs Step Drill Bit, Step Drill with a Storage Bag, 4-12mm, 4-20mm and 4-32 mm Step Drill Bits Set, Cone Cutterc for Thin Iron Plate, Stainless Steel Plate, Aluminium Plate, Wooden Board 1. Two-fluted design provides faster, smoother drilling, Provided with small pressure and the sets can cut through wood, sheet metal, steel and other surfaces. 2. Step cone drill bits design for precision drilling different size holes from 4mm up to 32mm in diameter,optimum speed and accuracy. 3. Rolled high speed straight shank HSS drill bit. Pay attention to speed, pressure and heat control during drilling. 4. If you have any concerns about our cone drill bit, please contact us, we will try our best to help you. Your satisfaction is our greatest encouragement Specifications: Material: steel Colour: yellow Size: 4-12mm: 6.5 cm/ 2.56 inches 4-20mm: 7.7 cm/ 3.03 inches 4-32 mm: 10 cm/ 3.95 inches Total weight: 235 g Package Contents: 3 x stepped drill bit 1 x portable fabric bag