Chicago Latrobe 45640 150ASP Heavy Duty Jobber Length Drill Set, 135 Degree, Steam Oxide, 29 Piece

Product description

• Sizes in Set: 1/16 - 1/2 x 64ths
• Number of Tools: 29
• Manufactured to NAS 907 Type B geometry aerospace specifications with 135 degree P3 split point is self-centering for reduced thrust and easier penetration and Heavy-duty construction for drilling in tougher materials
• Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
• Manufactured from premium high-speed steel; Made in the USA