Primo® Cobalt Steel Pilot or Center Drills are used to make starter holes to prevent your drill bit from wandering in most metals. Double ended, 45mm long, 2.35mm shanks.
A-8401 – head dia. 0.5 mm
A-8402 – head dia. 1.0 mm
A-8403 – head dia. 1.5 mm
AK8400 – One of each Pilot Drill
25,000 RPM Max Speed.