Bosch MP16 Daredevil Multipurpose Drill Bit, 1/2" x 4" x 6" Docking Equipment Made of durable plastic that

Made of durable plastic that will not rot or rust

Excellent for brazing sheet metal

#1 rated sharpening technology

End 1 Diameter: 1/4"

1-3/4" Inside Diameter

Bosch MP16 Daredevil Multipurpose Drill Bit, 1/2" x 4" x 6" Docking Equipment Made of durable plastic thatHighlights: Diameter: 1 2" Flute Length: 4" Length: 6" Shank Diameter: 0. 25" Upgraded multi grind heads deliver up to 85% faster drilling in metal than standard bits Hex shanks and impact rated allows use in impact drivers and hammer drill drivers for added versatility Sharp ground cutting edges designed for advanced performance Steep flutes with ribs deliver fast material removal in multiple materials Multi application design offers drilling in