Onsrud 68-918 PCD drill 2FL 313/1000 x 1/1 x 3 OAL For Composite, 5/16 Shank
$1,285.35
The PCD 8 facet drill works well in composite material where long tool life and a delamination free hole is required. The drill diameters are oversize allowing for aircraft fasteners to extend through the holes.