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SAE TAP & DRILL CHART
DECIMAL EQUIVALENTS
RIGHT TRIANGLE CALCULATOR
SPEED & FEED CHARTS
HARDNESS CONVERSION CHART
SFM CALCULATOR
PRIVACY
RETURNS / EXCHANGES
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Home > RitchieIndustrialSales.com Drill Chart
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RitchieIndustrialSales.com SAE Tap & Drill Chart
Thread
Size
|
Drill
Diameter
(in)
|
Tap Drill
Size
|
|
Thread
Size
|
Drill
Diameter
(in)
|
Tap Drill
Size
|
|
Coarse Thread
|
Fine Thread
|
|
1-64
|
.0595
|
No. 53
|
0-80
|
.0469
|
3/64
|
|
2-56
|
.0700
|
No. 50
|
1-72
|
.0595
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No. 53
|
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3-48
|
.0785
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No. 47
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2-64
|
.0700
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No. 50
|
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4-40
|
.0890
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No. 43
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3-56
|
.0820
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No. 45
|
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5-40
|
.1015
|
No. 38
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4-48
|
.0935
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No. 42
|
|
6-32
|
.1065
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No. 36
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5-44
|
.1040
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No. 37
|
|
8-32
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.1360
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No. 29
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6-40
|
.1130
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No. 33
|
|
10-24
|
.1495
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No. 25
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8-36
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.1360
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No. 29
|
|
12-24
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.1770
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No. 16
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10-32
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.1590
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No. 21
|
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1/4-20
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.2010
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No. 7
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12-28
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.1820
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No. 14
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5/16-18
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.2570
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'F'
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1/4-28
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.2130
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No. 3
|
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3/8-16
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.3125
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5/16
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5/16-24
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.2720
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'I'
|
|
7/16-14
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.3680
|
'U'
|
3/8-24
|
.3320
|
'Q'
|
|
1/2-13
|
.4219
|
27/64
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7/16-20
|
.3906
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25/64
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9/16-12
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.4844
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31/64
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1/2-20
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.4531
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29/64
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5/8-11
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.5312
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17/32
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9/16-18
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.5156
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33/64
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3/4-10
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.6562
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21/32
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5/8-18
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.5781
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37/64
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7/8-9
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.7656
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49/64
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3/4-16
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.6875
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11/16
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1"e;-8
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.8750
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7/8
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7/8-14
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.8125
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13/16
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|
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1"e;-14
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.9375
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59/64
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