APT 9/16" 4FL STRAIGHT SHANK CORE DRILL
Item #:
1-064A-47026
Product Info
ALVORD-POLK TOOL
Used to size or enlarge cored, punched, or other preformed holes; not designed to drill from solid. Operates at heavier feeds than 2-flute drills since chip loads are spread over a greater number of cutting edges. Reduce regular drill speed 25% and double the feed rate.
ALVORD-POLK 9/16 INCH 4 FLUTE HIGH SPEED STEEL STRAIGHT SHANK CORE DRILL
Item Specifications
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4-7/8"
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9/16"
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4
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8-1/4"
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Straight
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Fractional
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High Speed Steel
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0.43 lbs per EA