National Aerospace Standard 907, Type J Cobalt Jobber Length Bit

Drill Size: "X" (0.397")

Overall Length: 5.125"

Made to NAS 907 Type J specifications, these cobalt jobber length drills are used for drilling in tough, high tensile

strength materials like stainless steels, titanium and inconel. They are made of 8% cobalt high speed steel, with heavy

duty flute construction and 135° split point.

Made in the USA

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