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• Parabolic flute drills are designed to allow deep hole drilling without frequent drill removal to clear chips
• New advances in drill making technology have allowed us to make an excellent drill for the very price sensitive portions of the business
Size 40- 18mm Diameter x 40mm Usable Length
Boston Gear’s worm gears provide effective power transmission in applications requiring high-ratio speed reduction in a limited space using right angle (90°)
white or any other color
69020 Type 168 NAS 907B Aircraft 12” 135Â degree Split Point Black Oxide Drill Bit 1/2" NPT Rigid • Parabolic flute drills areThe black oxide treatment prevents chip welding and increases abrasion resistance Click Here for product catalog Proudly Manufactured in the U. S. A
