7/16" DRILL BIT - 3/8" REDUCED SHANK
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3 Flats on a 3/8” reduced shank for positive chuck grip. Special Hi-Molybdenum tool steel. 135° split point for fast penetration and accurate starting without a 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. 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. Type 178-AG. Made in USA.
- U/M
- / EA
- Price
- $11.93
- Part Number
- NOR81587
This product’s part number is for a carded item which corresponds to Norseman Part No. 81580.