The Makita D-00016 and D-00402 are 4mm SDS-Plus hammer drill bits, each measuring 110mm in overall length with a 50mm working length. Designed for efficient drilling in masonry and concrete, they feature solid carbide tips with centering points and optimized flutes for fast drilling speeds and increased working efficiency. These 2-cutter bits are compatible with SDS-Plus rotary hammer drills, making them ideal for professionals and DIY enthusiasts requiring reliable performance in demanding materials. Cash on Delivery 7-Day Easy Returns Free Delivery Fulfilled by Fepy Secure Checkout 100% Genuine & Warranty Security & Privacy Secure Payments 24/7 Online Support About this item The Makita D-00016 and D-00402 are 4mm SDS-Plus hammer drill bits, each measuring 110mm in overall length with a 50mm working length. Designed for efficient drilling in masonry and concrete, they feature solid carbide tips with centering points and optimized flutes for fast drilling speeds and increased working efficiency. These 2-cutter bits are compatible with SDS-Plus rotary hammer drills, making them ideal for professionals and DIY enthusiasts requiring reliable performance in demanding materials.