MUST BE PURCHASED IN QUANTITIES OF 12
Short Flute Length
A short flute length enables the operator to short chuck their drill, providing a stronger and more rigid drill with minimum breakage and a straight pilot hole. (1/2″ of flute length on a .020 diameter drill is proportionally the same as 6-1/4″ flute length on a 1/4″ diameter drill).
Fast Spiral & Helical Flute
The fast spiral flute withdraws the graphite chip out of the hole better than an ordinary fluted drill. The fast spiral flute makes the drill more rigid which means less breakage and straighter holes. The fluting’s acute spiral angle brings out more chips on each retracting. The flute angle gives positive withdrawal of the complete chip load. There’s little or non left to be gathered up on re-entry…none left at the bottom to compact at drill-point contact.
These drills have 135 degree points instead of the 118 degree points of conventional drills. These broader points will give you longer drill life because of less chip load. They also follow the pilot hole better which means straighter holes.
Micro Flush Drills 1/2″ Flute. .020 in diameter and 4″ in over all length. Sold in quantities of 12 per size.
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