Burnishers are required tools for cabinet scraper users. After scrapers have been squared with a mill file and fine sharpening stone, these hardened steel bladed tools turn over the thin cutting edge that make scrapers operate so effectively. This Crown round scraper burnisher features a polished HSS rod fitted with a comfortable rosewood handle.
I got these drill bits at a machine shop sale and have never personally used them. One says 2 1/2" on it as you can see in the pics. One is really hard to read but it looks like someone scratched 2 7/16" on it.
Applications For sharpening various types of saws and tools, draw-filing, lathe work and general shop use. Features Single cut. Tapers toward the point for detail work.
#17 HSS AIRCRAFT EXTEN DRILL TWIST PRECISION 135° Split Point • Straight Shank • 6" Lengths Applications For general purpose deep drilling in normal steels, cast iron, and a variety of other ferrous and non-ferrous metals and alloys. Features Right hand (clockwise rotation) cutting direction. Standard two flute design.
#17 HSS AIRCRAFT EXTEN DRILL TWIST PRECISION 135° Split Point • Straight Shank • 6" Lengths Applications For general purpose deep drilling in normal steels, cast iron, and a variety of other ferrous and non-ferrous metals and alloys. Features Right hand (clockwise rotation) cutting direction. Standard two flute design.
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