DRILL PRESS SPEED CHART

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DRILL PRESS SPEED CHARTRecommended operating speeds (RPM)AccessorySoftwood (Pine) Hardwood(Hard Maple)AcrylicBrassAluminum SteelShop NotesTwist DRILL bits*300030001500 75030001500 750 500250020001500 NR30001200 750 400300025001500100030001000 600 350Lubricate DRILL with oil when cutting steel1/8" or center punch on all holes to preventdrill from " - 3/16"1/4" - 3/8"7/16" - 5/8"11/16" - 1"Black & Decker Bullet pilot-point bits*1/8" - 3/16"1/4" - 3/8"1/2"30003000300030003000150030002400 160020001500150015001000 750300020001200Good all-around cut more quickly than brad pointsand twist bits*1/8"1/4"3/8"1/2"5/8"3/4"3/8"1"18001 80018001800180014001200100012001000 750 750 500 250 250 2501500150015001000 750 750 500 250NRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRN RNRNRNRNRNRRaise 1/4" and smaller bits often to clearshavings and prevent heat " - 3/8"1/2" - 5/8"3/4" - 1"11/8" - 11/4"13/8" - 2"Forstner bits2400240015001000 500 700

DRILL PRESS SPEED CHART Recommended operating speeds (RPM) Accessory Softwood (Pine) Hardwood (Hard Maple) Acrylic Brass Aluminum Steel Shop Notes Twist drill …

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