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Ultra Bor Super Premium 3 pc drill bit set (5/16, 3/8, 7/16)

135 Split Point – NAS 907B – Hi-Molybdenum

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.
Space age nitro-carburized steel withstands substantially higher drilling temperatures while maintaining sharpness. Recommended for use in work hardening grades of stainless steel and other hard metal drilling applications.
Size: 5/16", 3/8" & 7/16"
Drill Bits MADE in the USA!

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