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The radially relieved single cutting edge provide fast stock removal with low vibration for chatter- free operation ensuring the smoothest finish
For increased bit life use a cutting fluid/lubricant such as water or turpentine to reduce heat
The overall length of the cutting edge significantly exceeds that of conventional drills
This allows a stronger cross section throughout the tap
The result is increased tool life
16-50mm 9 Pce Sparky's Hole Saw Kit The radially relieved single cutting16 50mm 9 Piece Sparky's Hole Saw Kit Sparky's Hole Saw Kit contains 6 of the most popular hole saw sizes for Aussie sparkys.(16, 20, 25, 32, 40, 50mm) Bordo bi metal hole saws are premium quality, general purpose saws suitable for a wide variety of materials and applications. The high speed steel cobalt (HSS Co) cutting edge provides shock resistant teeth and resists tooth strippage. 4 6 positive tooth configuration allows for fast, smooth cuts and
