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Viking Super Premium Ultra Bor Ultra Bit™ Multi-Diameter 3-Flatted Shank Type 78-UB  - Gold Oxide 3-Piece Set 1/8 - 1/2, 3/16- 1/2, 1/4 - 3/4 

Ultra Bit™ Multi-Diameter 3-Flats on Shank.

-Special axial and radial flute design speed workpiece penetration.
-Dual flute construction drills clean accurate holes in thin materials, quickly and easily.
-Use for all thin metals, rigid plastics, wood, or composite materials with a thickness equal to or less than the step thickness.
-135° split point self centers and easily starts with no pilot hole required.

When drilling steel with 1/8" or greater thickness, a starter hole of the smallest step diameter will speed the drilling process.

Unit of Measure



N/A 1/8 - 1/2, 3/16- 1/2, 1/4 - 3/4


N/A Viking Drill & Tool

Qty. per pack

N/A 1 3-Piece Set
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