7/64 – Mechanic Length Drill
• HSS de qualité supérieure
• Flats on shank give positive chuck-grip (3/16” and Larger)
• 135° split point for fast penetration and accurate starting (self-centering) which eliminates “Walking” and reduces the thrust force needed
• Mechanics Length drills have a shorter flute length and overall length vs jobber drills which makes them less prone to breakage
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Type de flûte | |
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