Our new 3.5 TPI tooth design for HOLE DOZER™ bimetallic saw bits gives you the longest service life in metal applications. These MILWAUKEE® HOLE DOZER™ bimetallic saw bits come with the industry's only limited lifetime warranty against toothed surface breakage and can address all general-purpose applications, making them the most durable saw bits. Our FULL ACCESS SLOTS solve the frustration of removing obstructions, making you more productive with less downtime between holes. The new slot design also gives you greater pilot visibility for precise placement and easier ejection of chips, which keeps the tool cool. Hole DOZER's™ thermoset coating allows you to cut faster and is optimized for cordless tools, allowing for 25% more holes per charge. Our HOLE DOZER™ bimetallic saw bits are a proud U.S. product.