Twist Drill Length: Which is Right for You - And Why it ...
2 days agou2002·u2002Conversely, Taper length bits have longer flutes and generally can drill deeper holes than jobber bits. In fact, their flute lengths are the same as comparable-sized taper shank bits, and they can be used with standard chucks and collets, making them low-cost substitutes in some applications.Taper length bits also use standard helices for drilling steel and other hard metals.
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