Precise 3 Flute Straight Shank Solid Pilot Counterbore, M3.5 Cap Screw, 3.7mm Pilot Dia., 71mm OAL - 2007-0053

Precise 3 Flute Straight Shank Solid Pilot Counterbore, M3.5 Cap Screw, 3.7mm Pilot Dia., 71mm OAL - 2007-0053

• Made of High speed steel.
• Continuous pilot counterbores cut rapidly, smoothly and accurately, producing long spiraling chips rather than small metal particles.
• The pilot extends the full length of the flute portion of the tool.
• As cutter flutes are ground back due to wear, a new section of pilot becomes exposed.
• The pilot head may be cut off to any desired length when repeated sharpening makes it too long for practical use.
• Continuous pilot counterbores have a life many times that of the conventional type counterbore.

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