APT 1/2" 4FL STRAIGHT SHANK CORE DRILL
Item #:
1-064A-47024
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 1/2 INCH 4 FLUTE HIGH SPEED STEEL STRAIGHT SHANK CORE DRILL
Item Specifications
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4-3/4"
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1/2"
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4
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7-3/4"
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Straight
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Fractional
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High Speed Steel
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0.33 lbs per EA