Dremel 663DR Glass Drilling Bit With Cutting Oil, 1/4" BF20 10% Copper(min) 10 ppm Copper(max)

10% Copper(min) 10 ppm Copper(max) 17 ppm Selenium(min) 0

Size: 8" x 1" x 1"

joints and seams should be caulked with Blue Max trowel-grade liquid rubber

For use in Zinsco load centers that accept type QC circuit breakers

like driveways

Dremel 663DR Glass Drilling Bit With Cutting Oil, 1/4" BF20 10% Copper(min) 10 ppm Copper(max)Highlights: 1 4" diameter Drill holes in both flat and contoured glass Diamond impregnated cutting bit for long life Diamond grit around the circumference of t he bit allows it to rasp a larger hole if needed Holes on the side of the bit allow the removal of material For use on glass, ceramic,wall tile, glass block, glass bottles and jewelry Includes cutting oil