Countersink, Titanium-Nitride Coated, 3/4" Diameter
This 3/4" diameter industrial duty countersink will last four times longer than high-speed steel models. The super-hard bonded titanium-nitride surface cuts smoother and faster with less pressure...
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• 3/4" diameter countersink
• Super hard bonded titanium-nitride coating
• Cuts smoother and faster with less pressure
• Use for steel, iron, soft metals, plastic, wood, and more
• Lasts four times longer than HSS models
Long Lasting stays sharp
Works fine for large holes.
It was hard to find a multi-fluted countersink. Arrived sharp and working as advertised. The 3/4 inch works best for large holes, need smaller size for number 6 screws.