【Specifications】10PCS 1/4" 5/16" x 8-1/4", SDS PLUS, Working depth: 116mm, Drill bits are available in various diameters and lengths to suit specific hole and depth needs
【Application】Heavy-duty drilling for tough materials (concrete, brick, stone, masonry), offering durability for high-intensity tasks by professionals and DIYers
【High-Performance】Featuring a 4-cutter carbide tip for centered, clean drilling in concrete, brick, and stone, this heat-treated alloy steel bit provides durability and impact resistance
【Long Service Life】The specialized dual-spiral flute design enhances debris removal, reducing friction and boosting durability in SDS Plus hammer drilling
【Recommended Machine】Suitable for SDS Plus Rotary Hammer Drills. Recommended speed 1000RPM-2000RPM. Please note: Not for use in hand drills