Description
Drill The united states Cobalt Aircraft Extension Drills are very similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as chrome steel or nickel alloys. Gold oxide is a thinner oxide surface remedy than black oxide generally used to spot cobalt steel tools; performance is very similar to uncoated tools. Drill The united states Aircraft Extension Drills are manufactured to National Aerospace Standard 907. The 135° split point is self-centering and reduces thrust. Sizes smaller than 1/16 in. have the 118° standard point. Drill The united states Aircraft Extension Drills are to be had in 6 in. and 12 in. overall lengths when extra achieve is required.
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Effective in drilling tough, high tensile strength materials like chrome steel, inconel and titanium
135° split point tip prevents drill from walking
Round shanks allow use with all kinds of tool holding systems
Gold oxide is a thinner oxide surface remedy than black oxide generally used to spot cobalt steel tools; performance is very similar to uncoated tools
6″ overall length for drilling where extra length for achieve is required
