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مميزات خاصة
Made in USA - Mechanics Length Magnum Super Premium 3-Flats on Shank - 135 Split Point
Special Hi-Molybdenum tool steel. 135 degree 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.
وصف
CTD US Magnum Super Premium 5/32" Mechanics Length Drill Bit Part # 86980 Length= 2 3/4" Flute Length= 1 11/16" Magnum Super Premium 3-Flats on Shank - 135 Split Point 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 2185F and then nitro-carburize finished at 950F to be measurably harder than high speed steel. Nitro-carburized steel withstands substantially higher drilling temperatures while maintaining sharpness. Especially designed for hand held drills. Flats on shanks give positive chuck-grip (3/16 and larger). Recommended for use in work hardening grades of stainless steel and other hard metal drilling applications.