Heavy-Duty Construction for Demanding Jobs Crafted with premium-grade materials, Keewaki breakthrough bits are built to withstand intensive drilling in concrete, masonry, and stone without cracking or dulling. SDS MAX Shank for Secure Fit & Efficient Power Transfer The SDS MAX design ensures a tight, slip-resistant connection with rotary hammer drills delivering optimal impact energy with every strike. Fast, Clean Drilling with Multi-Alloy Cutting Head Featuring a high-efficiency cutting edge and wide flutes, this bit removes debris smoothly and reduces friction, resulting in faster, cleaner holes with less vibration. Proven Keewaki Quality 20+ Years of Experience With over two decades of manufacturing excellence, Keewaki is a globally trusted brand. Our tools are favored in markets like Japan for their performance, durability, and value. Includes Protective Storage Tube Each bit is packaged in a rugged plastic storage tube to protect the cutting edge and make transport safer and more convenient.