The dagger drill has proved to be the best drill for drilling unbacked carbon fibre, composite aluminum, fiberglass and reinforced plastics because of its ability to reduce delamination and at the same time produce a quality sized hole.
Length: 6"
Size: #21
Decimal: .1590
No secondary ream operation required
Drills holes within 0.0025 tolerance in a single operation
Maximum heat dispersement while drilling
Can be reground repeatedly without rethinning the point
Can be reconditioned into shorter lengths and smaller diameters