Airgas - V0549750 - Viking® Type 643-UB 8.8 mm X 4 7/8" Black And Gold Oxide Hi-Molybdenum Tool Steel Ultra Bor Super Premium Jobber Length Drill Bit With 3 1/2" Spiral Flute (5 Per Pack)

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Viking® Type 643-UB 8.8 mm X 4 7/8" Black And Gold Oxide Hi-Molybdenum Tool Steel Ultra Bor Super Premium Jobber Length Drill Bit With 3 1/2" Spiral Flute (5 Per Pack)

SDS

Airgas Part #:V0549750

Manufacturer Part #:49750

$NA.NA /NA

Each

Enter multiples of 5 Each

Viking® Type 643-UB 8.8 mm Dia X 4 7/8" Black/Gold Ultra Bor Super Premium Jobber Length Drill Bit is ideal for use in work hardening grades of stainless steel and hard metal drilling. Drill bit with 3 1/2" spiral flute has 135 split point which render rapid penetration with accurate starting without a center punch. Drill Bit provides guaranteed performance in high temperature drilling while maintaining sharpness. It meets NAS 907B standard and is sold as 5 per pack.

Provides fast penetration and accurate starting without a center punch
Withstands substantially higher drilling temperatures while maintaining sharpness
Special hi-molybdenum tool steel
Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance
Body and clearance are gold surface treated for maximum lubricity
Drills are heat treated at 2185° F and then nitro-carburize finished at 950° F to be measurably harder than high speed steel
Space age nitro-carburized steel withstands substantially higher drilling temperatures while maintaining sharpness

Drill Diameter

» 8.8 mm

Brand Name

» Type 643-UB

Drill Material

» Hi-Molybdenum Tool Steel

Flutes

» Spiral

Drill Coating

» Black And Gold Oxide

Drill Type

» Jobber Length Drill Bit

Overall Length

» 4.875 in

Flute Length

» 3 1/2"