Bolt Drilling Fixture, Safety Wire

This tool provides a fast, simple way to drill bolt heads with virtually no broken drill bits. Made of 6061 T6 hard anodized aluminum. Fits 3/16” to 5/8” diameter bolts and works on hex head bolts, 12 point countersink and allen head cap screws. Includes two drill bushings and two cobalt drills. FEATURED IN THE JUNE 2009 EDITION OF POPULAR MECHANICS.