Bosch SDS Max Masonry Drill Bit 40 x 800 x 920 mm

The Bosch SDS Max masonry drill bit 40 × 800 × 920 mm is a single-piece tungsten carbide accessory designed for high-impact rotary applications. Its hardened head is built to withstand continuous strikes against hard substrates. The bit is intended for drilling into solid mineral-based surfaces in both commercial and residential work and is rated for forming holes in concrete, solid limestone, and general masonry blocks. A specialised tip geometry keeps material removal steady when preparing surfaces for structural installations. Because it is designed purely for stone and brick materials, the bit avoids the rapid wear that comes from incorrect use on metal or wood.

The bit connects to the power tool via an integrated 18 mm SDS Max shank. This mounting geometry requires a compatible rotary hammer to function safely. The hammer's percussive mechanism drives the bit into the workpiece, and the bit is rated for intensive hammer drilling rather than standard rotary-only tasks. The SDS platform holds the bit mechanically, preventing slippage under high torque. When properly engaged, the drive setup transfers power directly from the hammer into the substrate.

• 40 mm drilling diameter, suitable for large anchor placements and through-hole conduit installations.
• 920 mm overall length, allowing operators to reach deep into thick walls or structural foundations.
• 800 mm working length, setting the maximum continuous drilling depth in a single pass.
• Four cutting edges that keep the hole profile round and spread impact wear evenly.
• Grey surface finish for straightforward visual identification on site.