Lasts up to 3 times longer than standard drills - Drilling through reinforced concrete is a difficult task that demands a lot from hammer drills. Even 4 cutters wear out quickly. There is downtime when changing accessories and buying consumables. The full carbide head on the Expert SDS max-8X is an advanced 4-cutter made from a single piece of the hardest metal: it does not jam and shows no weakness in impact drilling. Thanks to the Bosch Carbide Technology and the full carbide head, the Expert SDS max-8X lasts much longer than normal hammer drills. It effectively penetrates through the reinforcement, so you dont have to stop, aim again or change the drill when you encounter steel. For construction professionals who regularly drill concrete and reinforced concrete, e.g. for heavy anchors or reinforcement extensions. The Bosch Expert SDS max-8X hammer drill bit offers unparalleled performance, reliability and durability. It is the expert accessory for SDS max hammer drills. Suitable for all hammer drills SDS max.