1/2inch 20mm SDS Plus Round Shank Hammer Concrete Masonry Drill Bit

SDS plus two cutter drill bits have a strong carbide tapered core to help resist flute breaks, especially when drilling deep holes into brick or concrete. The two-stage flute design features a variable helix pattern that quickly moves debris away from the contact drilling zone. The two sharp, carbide-cutting edges deliver clean, round holes for secure anchor installation. 

Features:

• For drilling 12inches or 300mm extra deep holes, 1/2inch or 20mm in diameter
• Strong and tapered carbide core for bit strength and maximum durability
• Made to be used drilling deep holes in brick or concrete material
• Two stage flute design with variable helix pattern allows for efficient debris removal 
• Fits standard SDS and SDS plus hammer drill chucks, not for SDS max

Specifications:

• Brand: Harden
• Model: 610331
• Two cutter carbide tip
• Bit length: 13.8in or 350mm
• Diameter: 1/2in or 20mm
• Made of chrome steel
• Professional diamond head
• Overall heat treatment
• Weight: 12.4oz or 351g

Package includes:

• 1/2inch (20mm) 13.5inch (350mm) SDS plus concrete masonry drill bit
• Plastic hanger