Milwaukee Thunderbolt HSS pilot bit for use with hole saw arbors. The 135-degree split point starts on contact with no walking for precise hole placement.

• High Speed Steel (HSS) construction
• 135-degree split point starts on contact without walking
• Tapered web resists breaking under load
• 3-flat shank prevents slipping in arbor or chuck
• Parabolic flute clears chips faster
• Universal fit - works with most arbor brands
• For metal, wood, drywall, plaster, plastics, and fiberglass
• Size: 1/4" x 3-1/2"