Chicago-latrobe 53118 Taper Shank Drill Bit 9/32 in 1MT Hss

Product Description

The CHICAGO-LATROBE 53118 is a taper shank twist drill bit designed for general-purpose drilling in metal, wood, and composite materials. The bit measures 9/32 inch (0.2813 inches) in diameter with a 118-degree standard point angle and a right-hand spiral flute configuration. It features an oxide finish over a high speed steel (HSS) body, which reduces friction and helps extend service life during sustained drilling operations. The 1MT (Morse Taper 1) shank seats directly into compatible drill press spindles and lathe tailstocks. Overall length is 6.25 inches with a flute length of 3 inches. This bit is sold individually and is suited for machine shop, maintenance, and fabrication environments.

The 53118 is a Series 110 general-purpose bit intended for use in drill presses, milling machines, and lathes equipped with a No. 1 Morse Taper spindle socket. The web-thinned standard point reduces thrust requirements and centers the bit more easily at the start of the cut. Right-hand cutting direction is standard for conventional spindle rotation. Typical users include machinists, tool-and-die technicians, and maintenance mechanics performing production or repair drilling in ferrous and non-ferrous materials.

Key Features

• High speed steel construction for durability across a broad range of workpiece materials
• Oxide finish reduces heat buildup and friction during cutting
• 1MT taper shank seats securely in No. 1 Morse Taper spindles without a chuck
• 118-degree standard point with web thinning for reduced entry thrust
• Regular spiral flute promotes efficient chip evacuation
• Diameter tolerance held to +0.0000 to -0.0010 inches for accurate hole sizing

Compatibility

Designed for use in drill presses, lathes, and milling machines fitted with a No. 1 Morse Taper (1MT) spindle or tailstock socket. No chuck adapter is required when the machine spindle accepts a 1MT shank directly.

Installation Notes

Installation is performed by a machinist or qualified maintenance technician. Power down and lock out the machine before seating or removing the taper shank. Clean the taper socket and shank mating surfaces before insertion to ensure full seating and concentricity. Use a drift and dead-blow mallet to remove the bit from the spindle; never strike the flutes or cutting edge directly.