sup Frac/Self-Starting, Single Hole 3/8In - Unibit

The Unibit UN12 Fractional/Self-Starting Single Hole Drill Bit is engineered for precision and efficiency in demanding automotive and industrial applications. Designed to produce a clean and consistent 3/8-inch hole, this professional-grade tool features a self-starting tip that ensures accurate hole placement and minimizes user effort, eliminating the need for pre-punching.

Key Features

• Self-Starting, Non-Skid Tip: The innovative tip design eliminates the need for center punching and prevents skidding, providing sure starts even on curved or uneven surfaces and maximizing user control.
• Single-Fluted Cutting Edge: Engineered to promote greater control during drilling, this design helps assure the creation of true, round 3/8-inch holes with clean edges.
• Industrial-Grade Construction: Manufactured from hardened high-speed molybdenum steel and expertly heat-treated, this drill bit offers maximum durability and extended tool life in challenging professional environments.
• 3-Flatted Shank: The precisely machined 3-flatted shank securely grips within the drill chuck, effectively preventing slipping and ensuring stable, reliable operation during intense use.

Applications

This versatile 3/8-inch self-starting drill bit is an essential tool for professional technicians and mechanics. It is ideal for drilling precise holes in various materials, including sheet metal, automotive body panels, chassis components, and light fabrication materials. Common use cases include vehicle repair, custom fabrication, general maintenance tasks, and other workshop applications requiring consistent and accurate 3/8-inch hole sizing.

Specifications

• Hole Size: 3/8 inch
• Shank Size: 1/4 inch
• Material: Industrial Grade High Speed Molybdenum Steel