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Speed Chart for Drill Press

Drill Press Speed Chart

Size Of Hole Hardwood Softwood
1/4" or lessH - 1600 rpmI - 1750 rpm
1/4" to 1/2"F - 1300 rpmG - 1450 rpm
1/2" to 3/4"D - 1050 rpmE - 1150 rpm
3/4" to 1"B - 850 rpmC - 950 rpm
Over 1"SLOW - 700 rpmA - 750 rpm
Boring metals (twist bits only) -- SLOW - 700 rpm

Note: These speeds are for 60 hz. operations.

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