Hammer drill bit

Start by matching the bit to the material and the hole diameter you need. For masonry, look for SDS Plus hammer drill bits designed for concrete, brick, granite, limestone, and other stones. Across this range you’ll find common diameters like 6, 8, 10, and 12 mm, with total lengths such as 160 mm and longer, and some sets offering 210 mm bits for deeper holes. Some kits bundle several sizes (for example 6x160 mm, 8x160 mm, and 10x160 mm) and may include chisels for masonry work. If comfort matters, choose a lower‑vibration design to reduce fatigue on long jobs.

The most intricate attribute is the shank type and the bit’s working length. Many bits use an SDS Plus shank, which ensures a secure fit in compatible hammer drills and efficient energy transfer during drilling. Read total length versus working length: a bit may be 160 mm long but drill only uses a portion of that length (for example, a 10x160 mm bit with a 90 mm working length). Longer options, like 210 mm lengths, reach deeper into masonry for bigger holes.

Both groups benefit, but in different ways. DIY enthusiasts often opt for versatile, multi‑size sets that cover common home tasks, such as combinations including 6x160 mm, 8x160 mm, and 10x160 mm, sometimes with chisels for masonry finishing. Professionals tend to prioritize durability and performance, selecting bits with chrome‑vanadium construction for heavy‑duty masonry drilling and, in some cases, longer warranties for reassurance. Regardless of user type, the availability of SDS Plus bits in standard diameters supports reliable, tool‑friendly operation.

Begin by confirming your drill uses SDS Plus shanks to ensure a proper fit and power transfer. After use, clean bits and store them dry in a case to prevent rust and nicks. Avoid overheating by using appropriate drilling speed and pausing when needed. If you work on prolonged projects, consider low‑vibration designs to minimize fatigue. Regularly inspect the cutting edges and remove any debris to maintain efficiency and prolong bit life.

Common configurations include single bits in sizes like 6x160 mm, 8x160 mm, 10x160 mm, and 12x160 mm, as well as longer 210 mm options such as 8x210, 10x210, 12x210, 14x210, and 16x210. Multi‑size sets exist, for example a 10‑piece collection covering several diameters and lengths, sometimes including chisels for masonry tasks. For deeper drilling in concrete or stone, opt for longer 210 mm bits; for standard holes in brick or concrete, 160 mm bits suffice.

Durability is often signaled by chrome‑vanadium construction, which denotes robust masonry bits suitable for heavy use. Look for sets designed specifically for masonry drilling, as these are built to withstand grinding and impact in concrete and stone. Features like lower vibration help reduce fatigue on long tasks, while bundled chisels add versatility for breaking through tougher surfaces. Together, these attributes point to longer bit life and steadier performance in real‑world drilling scenarios.