Professional quality, straight shank masonry drill bits for use in percussion drills and cordless drilling machines with percussion action. Fully hardened chrome alloy steel body and a high quality Tungsten Carbide tip enables these bits to drill a wide range of masonry type materials including concrete. Ideal for drilling holes for wall plugs, small anchor fixings and clearance holes.
Application: Masonry and Concrete
Tungsten Carbide Tip
Fast Drilling in Concrete & Masonry
Suitable for use in percussion drills and cordless drills
Function: These double end center drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.
These center drills got quick cutting speed, and good chip removal.
Size: 5 Drill diameters:1/1.5/2.5/3.15/5mm (5 pieces),different diameters can meet your need on spotting drill bits.
Shape: Each bit has a double end and grinding at a standard 60 degree Angle.
General-purpose drill, to drill steels with tensile strength up to 1.000 N/mm2, cast steel, grey cast iron, malleable cast iron, nickel brass and graphite.
The additional split detail permits better positioning and reduced feed force and torque.
TiN coating provides longer tool life or increased cutting speeds.
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