5/16" x 2-1/2" x 4" OAL ACRYLI-DRILL (Pack of 6)
Super Chip free drilling of acrylics, plastics. composites.
Point is ground at a 60degree angle for gradual penetration to avoid cracking and chipping.
Special 0degree rake angle on cutting edge eliminates " grabbing" when drill breaks through plastic, acrylic, or laminate surfaces.
This drill is used when drilling windshields in airplanes and helicopters.
Acrylics expand and contract so drill your holes a little larger.