Chicago-Latrobe 55442 21/32 in 118° Silver & Deming Drill 1/2 Reduced Shank

Chicago-Latrobe 55442 Silver & Deming Drill

This Chicago-Latrobe 55442 is a high-speed steel Silver & Deming drill bit built for machining tasks that require a large-diameter hole with a standard shank. It suits metalworkers and maintenance technicians who need a single bit to enlarge existing holes or drill through thick plate on a drill press or heavy-duty hand drill.

21/32 inch diameter with 1/2 reduced shank

The decisive specification is the 21/32 inch cutting diameter paired with a 1/2 inch reduced shank. This combination lets the bit fit common 1/2 inch chucks while delivering a finished hole size that smaller twist drills cannot reach, so buyers must confirm their chuck capacity and the exact hole diameter required before ordering.

118 degree point angle and black oxide finish

The 118 degree point angle provides a conventional cutting profile for general-purpose drilling in steel and cast iron, while the black oxide finish adds lubricity and reduces chip welding during extended cuts. No additional coatings, coatings, or accessories are included, so users needing split-point starts or specialised substrate materials must source those separately.