Chicago Latrobe 45640 Heavy Duty 29-Piece Jobber Drill Set, 135° Steam Oxide
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Category: chicago latrobe 550

About this item
- Engineered according to NAS 907 Type B geometry aerospace standards, featuring a 135-degree P3 split point that ensures self-centering for minimized thrust and smoother penetration. Built with robust materials for enhanced drilling performance in challenging substrates.
- Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
- Number of Tools: 29
- Manufactured from premium high-speed steel; Made in the USA
- Sizes in Set: 1/16 - 1/2 x 64ths