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Here at, you'll find an excellent selection of counterbores. No, that's not an assessment of our quirky sense of humor with which we do our best to entertain while you sit at your computer, ordering tools and parts for your aircraft. What this means is that we have premium piloted counterbores made from hardened high-speed steel that you can use to accurately drill out screw holes for pillar bedding. You won't have to worry about your cutter wandering, and the pilots are interchangeable for added versatility. These aircraft counterbores are available in a range of different sizes. See the chart for a list of part numbers, diameters, pilot bores and other details.

Since 2003, we've been supplying the skies with exceptional aircraft parts, equipment, tools and accessories. Our unsurpassed customer service team can help you find exactly what you need to keep things running smoothly both on the ground and in the air.

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