- 【Sturdy and Durable】Made of high quality tungsten carbide, high hardness, strong cutting force, tungsten steel inserts are sharp and wear-resistant, which can quickly and accurately drill smooth and beautiful holes and ensure the screws fit tightly. Quick-change round shank for versatility
- 【PREMIUM DESIGN】The 5-blade chamfer design will automatically discharge chips from both sides of the hole quickly. It can effectively prevent debris buildup and stagnation and improve drilling efficiency. The drill bit can drill smooth holes quickly and accurately. Centering is better, no slippage. The hexagonal wrench can hand-adjust the subsleeve depth and drilling depth of various length screws
- 【Size and Quantity】Includes 5 countersunk hole bits and 5 adjustable hex wrenches, 5 different bit diameter sizes: 2.8mm, 3mm, 3.2mm, 3.5mm, 4mm, countersunk hole diameter size: 10mm
- 【WIDELY APPLIED】Countersink drill set, compatible with drilling machines with chucks, such as lithium drills, hand drills, table drills and so on. For drilling holes in wood or wooden floors. It is recommended to use a center punch to position the drill before drilling and keep the drill bit vertical to prevent the drill bit from bending or breaking
- 【QUALITY ASSURANCE】ALISA is a professional designer and manufacturer of industrial tools and home tools, this countersink drill bit set is our newest product. If you have any questions about the product, please contact us and we will give you a satisfactory answer
