Operation - Craftsman 124.47747 Operator's Manual

8-inch 1/3 hp motor
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Correct Drilling Speeds
WARNING: Be sure drill press is turned off and is disconnected from power sours before adjusting speeds.
Use the recommended speed for the drill bit and workpiece.
The drill bits that can be used are shown in following figure:
Material
SOFTWOOD HARDWOOD ACRYLIC
TWIST DRILL BITS
1/16-3/16" (3-5mm)
3000
1/4-3/8" (6-10mm)
3000
7/16-5/8" (11-16mm)
1500
11/16-1" (11-25mm)
750
BRAD-POINT BITS
1/8"
1800
1/4"
1800
3/8"
1800
1/2"
1800
5/8 "
1800
3/4"
1400
7/8"
1200
1"
1000
FORSTNER BITS
1/4-3/8"
2400
1/2-5/8"
2400
3/4-1"
1500
1-1/8-1 1/4"
1000
1-3/8-2"
500
SPADE BITS
1/4-1/2"
2000
5/8-1-1/2"
1750
1-1/8-1-1/2"
1500
SPADE BITS WITH SPURS
3/8-1"
2000
NR - Not Recommended

OPERATION

3000
2500
1500
2000
750
1500
500
NR
1200
1500
1000
1500
750
1500
750
1000
500
750
250
750
250
500
250
200
700
250
500
250
500
250
250
250
250
NR
1500
NR
1500
NR
1000
NR
1800
500
14
BRASS
ALUMINUM
3000
3000
1200
2500
750
1500
400
1000
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
STEEL
3000
1000
600
250
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR
NR

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