These high speed steel drills last longer than tungsten vanadium steel. Teeth are precision machined and uniformly spaced so cutting is accurate and smooth.
Maximum safe speed varies with bur size and is indicated on the box. Use a good lubricant, such as Gesswein Lube-Stick, to facilitate cutting and prolong tool life.
Shank is 3/32" diameter and measures approximately 1-3/4" long.
Available in 12 sizes from 0.50mm to 1.60mm diameter.
Sold in packages of 2.
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