Crown CT21076HMX

The IRWIN® Speedhammer Quad Drill Bit is ideal for drilling plug and anchor holes in masonry, all types of stone and concrete. Its 4-cutter geometry, drills a more concentric hole for the best fixing more→retention. The full head carbide tip offers the highest levels of drilling life and durability. A unique bonding system connects the solid carbide head to the 4-flute spiral. This design provides faster, more efficient dust removal. The specially engineered grooves are designed to minimise friction, resulting in increased speed and longer life. Manufactured in Germany with premium steel. Meets PGM standards for drill bits used for anchor fixing. | IRWIN Speedhammer Quad Drill Bit

The Draper Expert 16mm x 230mm SDS Auger Drill Bit is engineered for larger diameter drilling applications in all wood types, making it ideal for heavier construction work, timber frame installations, more→and larger pipework or cable management systems. This 16mm diameter provides the capacity needed for substantial fixings whilst maintaining the precision and control expected from the Draper Expert range. Precision machined from medium carbon steel and fully hardened, this 16mm bit delivers perfect concentricity for accurate, wobble-free drilling even at this larger diameter. The unique flute spiral features an accurately ground and honed cutting edge along its entire length, ensuring efficient …

The Bosch EXPERT SDS plus-7X in 13mm diameter, 165mm length (Pack of 1) suits heavier 13mm anchor bolt and fixing applications in reinforced concrete, where a larger bore is needed for high-load fixin more→gs. Features and Benefits: • Lasts up to 3x longer than Bosch SDS plus-3 Drill Bits • Full Carbide Head 4-cutter tip — punches through rebar without jamming • Bosch Carbide Technology for exceptional tip durability • Special welding process bonds flute to carbide head • Fits all SDS plus rotary hammers Specifications: Diameter: 13mm Length: 165mm Pack Quantity: 1 Contents: • Pack of 1