DEWALT SDS MAX Bit for Rotary Hammer Review

The DEWALT SDS MAX Bit for Rotary Hammer, 4 Cutter, 2-Inch x 22-1/2-Inch (DW5831) is designed for heavy-duty drilling in concrete, brick, and other tough materials. With IRON BLAST TECHNOLOGY, a process that strengthens the bit to resist fatigue, this bit is built to last. The redesigned, 4-cutter carbide head offers 2X longer life compared to other SDS hammer drill bits and even stands up to rebar strikes. This means you can drill through tough materials without worrying about damaging or wearing out your bit.

With a wear mark indicator, you can accurately measure the diameter of your holes, ensuring precise drilling every time. The only downside to this bit is that it requires a lot of torque and hammer energy. The standard impact drill will not work, and at least 18 ft-lbs is necessary.

Despite this, users have found that the DEWALT SDS MAX Bit for Rotary Hammer, 4 Cutter, 2-Inch x 22-1/2-Inch (DW5831) works well in a variety of scenarios. Users have reported using this bit for drilling in foundation walls to run water lines through and have found it to be effective, except when hitting hidden rebar in the walls. Other users have found that it cuts through cinder blocks like butter and can handle solid 6-8" cement walls with ease. However, one user reported that it didn't drill through granite easily and rusted the very next day.

Overall, the DEWALT SDS MAX Bit for Rotary Hammer, 4 Cutter, 2-Inch x 22-1/2-Inch (DW5831) is a durable and long-lasting bit that is designed to handle tough materials. While it may require more torque and hammer energy than other bits, users have found that it performs well in a variety of scenarios and can handle everything from cinder blocks to cement walls.