Add to Favorite Sellers. Counterbore Set, Fractional Inch, 7 Pcs. 1DBT5 Counterbores with built-in pilots (sometimes called solid pilot counterbores) are made from one piece of metal, which means the pilot cannot be removed. They can be used with one size of hole to create a flat-bottomed cavity at the top of the hole so that a bolt, nut, or other part is hidden beneath or sits flush with the top of the hole when installed into it. The pilot keeps the counterbore centered in the hole to ensure a level seat. These sets contain multiple solid pilot counterbores in a range of sizes. Counterbore sets contain multiple counterbores in a range of sizes. Also known as spotfacers, counterbores create a flat-bottomed cavity at the top of an existing hole so that a bolt, nut, or other part is hidden beneath or sits flush with the top of the hole when installed into it. Counterbore Set, Fractional Inch, 7, Cobalt, Oversized. The item “KEO 55241 Counterbore Set, Fractional Inch, 7 Pcs” is in sale since Tuesday, June 13, 2017. This item is in the category “Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Supplies\Drills\Other Metalworking Drills”. The seller is “grainger” and is located in Minooka, Illinois. This item can be shipped worldwide.

• Brand: KEO
• MPN: 55241