Lasts up to 3x longer than a standard drill bit. The Full Carbide Head on the Expert SDS max-8x is an advanced 4-cutter design made from a single piece of the toughest metal: It doesn't jam and presents no weakness on impact. Thanks to Bosch Carbide Technology and the Full Carbide Head, the Expert SDS max-8x lasts far longer than regular hammer drill bits. It punches through rebar effectively so there is no need to stop, re-target or change bits when you strike steel. For construction professionals drilling concrete and reinforced concrete regularly, such as for heavy-duty anchors or rebar extensions, the Bosch EXPERT SDS MAX 8X Hammer Drill Bit offers peerless performance, reliability and longevity. It is THE EXPERT accessory for SDS max rotary hammer drills. Fits all SDS max rotary hammer drills. Tested in Bosch labs according to Bosch standard procedures. Exceptionally durable drill bit tip with Bosch Carbide Technology. Ideal for drilling holes in reinforced concrete, e.g. for chemical anchor setting and/or rebar connections. Best for construction workers: long lasting and powerful. Diameter: 25.00 mm. Working length: 600 mm. Total length: 720 mm.