Drill Bit Sharpener (Tormek DBS-22) - The Drill Bit Sharpening Jig Attachment For Tormek Water-Cooled Sharpening Systems.
• SUPERIOR SHARPENING – Produces a true FOUR-FACET GRIND, which allows sharpened bits to be self-centering (eliminating the need to center punch or drill pilots). • WIDE RANGE OF SHARPENING ANGLES – Capable of sharpening all point angles between 90 and 150 degrees. • SYMMETRICAL SHARPENING FOR LONG BIT LIFE – The two cutting edges remain perfectly equal at all times, which allows for true symmetry in sharpening. • ADJUSTABLE CLEARANCE ANGLE – You can set the clearance angle to the optimal range for your needs. 7,9,11, or 14 degrees. • SHARPENS BITS FROM 1/8” TO 7/8” (3mm-22mm) – No need to change jigs for different size bits. • PART OF THE EXCEPTIONAL TORMEK WATER COOLED SHARPENING FAMILY – Use with the T-8, T-7, T-4, T-3, and Supergrind 2000.
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Why is the 4-facet point so beneficial compared to a conventional point?
It considerably decreases the force required on the core of the drill, i.e the chisel edge, which reduces the heat development and permits an increased force to the cutting edges. It gives the drill a dramatic improvement in cutting performance.
Why does a Tormek sharpened drill last longer?
What determines an exact and straight hole?
What point angle should I have?
Is the clearance angle important?
How do you know if the steel has become overheated when using a dry grinder?