Viking® Type 250-UB 5/16" X 4" Nitro Carburize Hi-Molybdenum Tool Steel Mechanic Length Drill Bit With 3-Flat Shank And 2 1/2" Spiral Flute (6 Per Pack)
Airgas Part #:V0587080
Manufacturer Part #:87080
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$7.19
Each
$7.19
/Each
Item Details
- Viking® Type 250-UB 5/16" Dia X 4" Gold Super Premium Mechanic Length Drill Bit Set with 3-flat shank is made of special hi-molybdenum tool steel material to render long lasting durability. Drill bit with 2 1/2" spiral flute has 135 deg split point for rapid penetration with accurate starting without center punch. Drill bit featuring gold surface treated body and clearance for magnificent lubrication. Drill bit with precision ground point, flutes, body, clearance and drill diameter provides eventual accuracy and performance. It is sold as 6 per pack.
Features
- Special Hi-Molybdenum tool steel
- 135° split point for fast penetration and accurate starting without center punch
- 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
- 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
- Especially designed for hand held drills
- Flats on shank give positive chuck-grip
- Ultra Bor Super Premium
Specifications
- 135° Split Point
- NAS 907B
Applications
- Stainless steel
- Hard metal drilling
Product Attributes
Drill Diameter
» 5/16"Brand Name
» Type 250-UBDrill Material
» Hi-Molybdenum Tool SteelFlutes
» SpiralDrill Coating
» Nitro CarburizeShank Style
» 3-FlatDrill Type
» Mechanic Length Drill BitOverall Length
» 4 inFlute Length
» 2 1/2"