Standard Drill Sizes

Allen Electric Supply Co.

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Committed
To Quality.

Standard Drill Sizes

The following table is provided for your convenience. We believe that the data presented is reliable, however we make no claim as to the accuracy of the information.

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All Standard Drill Size Bushings Are indicated in Green

.0135" thru .1130"

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

.0135"

.0280"

.0400"

.0670"

3/32

.0938"

.0145"

.0292"

.0410"

.0700"

.0960"

1/64

.0156"

.0310"

.0420"

.0730"

.0980"

.0160"

1/32

.0313"

.0430"

.0760"

.0995"

.0180"

.0320"

.0465"

5/64

.0781"

.1015"

.0200"

.0330"

3/64

.0469"

.0785"

.1040"

.0210"

.0350"

.0520"

.0810"

.1065"

.0225"

.0360"

.0550"

.0820"

7/64

.1094"

.0240"

.0370"

.0595"

.0860"

.1100"

.0250"

.0380"

1/16

.0625"

.0890"

.1110"

.0260"

.0390"

.0635"

.0935"

.1130"

.1160" thru .2900"

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

.1160"

.1540"

.1820"

.2055"

.2500"

.1200"

5/32

.1562"

.1850"

.2090"

1/4

.2500"

1/8

.1250"

.1570"

3/16

.1875"

.2130"

.2570"

.1285"

.1590"

.1890"

7/32

.2188"

.2610"

.1360"

.1610"

.1910"

.2210"

17/64

.2656"

.1405"

.1660"

.1935"

.2280"

.2660"

9/64

.1406"

.1695"

.1960"

.2340"

.2720"

.1440"

11/64

.1719"

.1990"

15/64

.2344"

.2770"

.1470"

.1730"

.2010"

.2380"

.2810"

.1495"

.1770"

13/64

.2031"

.2420"

9/32

.2812"

.1520"

.1800"

.2040"

.2460"

.2900"

.2950" thru 1.000"

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

.2950"

23/64

.3594"

29/64

.4531"

41/64

.6406"

53/64

.8281"

19/64

.2969"

.3680"

15/32

.4688"

21/32

.6562"

27/32

.8438"

.3020"

3/8

.3750"

31/64

.4844"

43/64

.6719"

55/64

.8594"

5/16

.3125"

.3770"

1/2

.5000"

11/16

.6875"

7/8

.8750"

.3160"

.3860"

33/64

.5156"

45/64

.7031"

57/64

.8906"

.3230"

25/64

.3906"

17/32

.5313"

23/32

.7188"

29/32

.9062"

21/64

.3281"

.3970"

35/64

.5469"

47/64

.7344"

59/64

.9219"

.3320"

.4040"

9/16

.5625"

3/4

.7500"

15/16

.9375"

.3390"

13/32

.4062"

37/64

.5781"

49/64

.7656"

61/64

.9531"

11/32

.3438"

.4130

19/32

.5938"

25/32

.7812"

31/32

.9688"

.3480"

27/64

.4219"

39/64

.6094"

51/64

.7969"

63/64

.9844"

.3580"

7/16

.4375"

5/8

.6250"

13/16

.8125"

1.000"

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