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The CHICAGO-LATROBE 50417 is a taper length, straight-shank drill bit designed for general-purpose metal drilling in production and maintenance applications. Built from high speed steel with a coated finish, it delivers consistent performance across a range of ferrous metals. The bit measures 0.3320 inches in diameter (Letter Q), carries a standard 118-degree split point angle, and runs a right-hand spiral flute for efficient chip evacuation. A web-thinned, tapered web configuration reduces thrust requirements at the point. Licensed HVAC techs, machinists, pipefitters, and plumbers reach for this bit when drilling through metal components during equipment installation or repair.
This taper length drill bit is suited for drilling alloy steel, carbon steel, and cast iron in both shop and field environments. The extended flute length of 4.125 inches and overall length of 6.5 inches give it reach beyond what a jobber-length bit provides, making it a practical choice when access depth is a factor. It is packaged as a single unit and ordered in single-unit increments.
Designed for general-purpose drilling in alloy steel, carbon steel, and cast iron. Fits standard straight-shank drill chucks accepting a 0.3320-inch shank diameter.
Installation of this bit is performed by qualified tradespeople using standard keyed or keyless drill chucks. Secure the shank fully in the chuck before operation and confirm the workpiece is clamped or fixtured. Use appropriate cutting fluid when drilling harder alloy steels to manage heat buildup. Inspect the cutting edges and web condition before each use and replace if chipping or excessive wear is observed.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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