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Round Hole Single Flute Gundrills
Solid Carbide Tipped Gundrills
The solid carbide tips are brazed to 4130 Aircraft quality steel
shanks. They are available in all sizes 1-1/8" and smaller. Please
specify the diameter you order to four decimals. Virtually any
length can be ordered. Lengths under 25 diameters will be at
slightly higher cost as they are rigid and must be ground between
centers.
Fabricated Head Gundrills
Carbide cutting tips and wearpads are brazed into the head and
ground. These are recommended for diameters above 1". An added
advantage is that different grades of carbide may be used for the
tip and the wearpads. The shank is generally crimped 4130 Aircraft
quality steel, but may also be milled and drilled solid steel where
extreme rigidity is required. |
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