Feature

●Product Specifications: Set of 3 step drills, hex shaft (0.25 inch (6.35 mm)). Step Drills: 4-12mm(4/6/8/10/12) 5 Steps, 4-12mm(4/5/6/7/8/9/10/11/12) 9 Steps, 4-20mm(4/6/8/10/12/14/16/18/20) 9 Steps
●(High Quality Material) Made of high quality material, this tool steel has a high hardness, high abrasion resistance, and high heat resistance. Excellent abrasion resistance and heat resistance, excellent sharpness and durability
●(Excellent Drilling Capacity) The step drill is expanded in order from small holes to large holes, so you can adjust the opening of multiple sizes and magnification of holes
●Compatible models: Compatible with a variety of models such as electric drills, charging drills, screwdrivers, and drill machines, so you can always choose the one that suits your needs
●Wide range of uses: An essential tool for drilling thin iron plates, aluminum plates, wood, etc., household DIY, enlarging the lower hole, chamfering, deburring, etc


Description

Product Specifications: Set of 3 step drills, hex shaft (0.25 inch (6.35 mm)). Step Drills: 4-12mm(4/6/8/10/12) 5 Steps, 4-12mm(4/5/6/7/8/9/10/11/12) 9 Steps, 4-20mm(4/6/8/10/12/14/16/18/20) 9 Steps