SDS Plus Flat Tip Electric Hammer Drill Bits Manufacturing Process: Atmosphere controlled hardening, tempering and brazing. ... 28.0mm, Total Length: 110-1000mm. Features: Drill bits that work harder, for longer. * Multi-carbide tip technology, combined with precision ... levels and maximizes speed and penetration rates. Application: * Ideal for Brick work / Concrete / Block work / other masonry, Also ...