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Drill Speed Chart
Use the following-drill speed charts to determine the approximate drill speed for the size bit and
type of material to be drilled. Speeds are listed in revolutionsper minute.
Lubrication
Variable Drive Lubrication
10
Drill Diameter (in.)
1/16
3/32 1/8 5/32
3/16
7/32 1/4
9/32
Soft Wood 3000 3000 3000 3000 3000 3000
3000 2180
Hard Wood 3000 3000 3000
3000
3000 3000 3000 2180
Plastic/Rubber 3000 3000 3000 3000 3000 3000 3000 2180
Cast Iron 3000 2180 2180
2180 1450 1450
1280 1090
Soft Metals 3000 3000 3000 3000 3000
3000
3000 3000
Mild Steel 3000 3000 3000 2180
1450 1280
1280 1280
Hard Steel 2180 1820 1280 1090 650 650
590 540
-
Drill Diameter (in.)
5/16 11/32 3/8 13/32 7/16 15/32 1/2 9/16 5/8
Soft Wood
2180 2180 2180 2180 2180 2180 2180
1820 1820
Hard Wood 2180 2180 2180 2180 2180 2180 1820 1820 1820
Plastic/Rubber 2180 1450 1280 1280 1090 1090 1090 650 650
Cast Iron 650 650 650 650 650 650 590 540 410
Soft Metals
3000 3000 3000 3000 2180 2180 2180 2180
2180
Mild Steel 1280 1090
1090 650 650 650
590 590 590
Hard Steel
410 410 410 360 250 250 250 250
250
Location
Type Frequency
Spindle splines in the
#2 lithium based tube
Weekly
spindle pulley drive
grease
Quill and column
Machine tool oil
Daily
Lift rack
20W non-detergentoil Weekly (clean rack with
kerosene before
lubricating)
Table lift
Gear grease
Twice yearly (clean and
repack)
Location
Type
Frequency
Speed control fork
Molybdenum based grease Weekly
Counter shaft spindle 20W non-detergent
Daily
(upper end)
Hand wheel cam
#2 lithium based grease
Twice yearly