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Tap and Drill Size Chart
From Stagecraft Wiki
Tap & Drill Size Chart
| Screw Size
|
| Tap Size
| Tight Fit Hole
| Loose Fit Hole
|
| Size
| Decimal Inches
| Threads Pitch
| Drill Size (ga.)
| Decimal Inches
| Drill Size (ga.)
| Decimal Inches
| Drill Size (ga.)
| Decimal Inches
|
| #0
| 0.06
| 80
| 3/64
| 0.0469
| 52
| 0.0635
| 50
| 0.07
|
| #1
| 0.073
| 64
| 53
| 0.0595
| 48
| 0.076
| 46
| 0.081
|
| #1
| 0.073
| 72
| 53
| 0.0595
| 48
| 0.076
| 46
| 0.081
|
| #2
| 0.086
| 56
| 50
| 0.07
| 43
| 0.089
| 41
| 0.096
|
| #2
| 0.086
| 64
| 50
| 0.07
| 43
| 0.089
| 41
| 0.096
|
| #3
| 0.099
| 48
| 47
| 0.0785
| 37
| 0.104
| 35
| 0.11
|
| #3
| 0.099
| 56
| 45
| 0.082
| 37
| 0.104
| 35
| 0.11
|
| #4
| 0.112
| 36
| 44
| 0.086
| 32
| 0.116
| 30
| 0.1285
|
| #4
| 0.112
| 40
| 43
| 0.089
| 32
| 0.116
| 30
| 0.1285
|
| #4
| 0.112
| 48
| 42
| 0.0935
| 32
| 0.116
| 30
| 0.1285
|
| #5
| 0.125
| 40
| 38
| 0.1015
| 30
| 0.1285
| 29
| 0.136
|
| #5
| 0.125
| 44
| 37
| 0.104
| 30
| 0.1285
| 29
| 0.136
|
| #6
| 0.138
| 32
| 36
| 0.1065
| 27
| 0.144
| 25
| 0.1495
|
| #6
| 0.138
| 40
| 33
| 0.113
| 27
| 0.144
| 25
| 0.1495
|
| #8
| 0.164
| 32
| 29
| 0.136
| 18
| 0.1695
| 16
| 0.177
|
| #8
| 0.164
| 36
| 29
| 0.136
| 18
| 0.1695
| 16
| 0.177
|
| #10
| 0.19
| 24
| 25
| 0.1495
| 9
| 0.196
| 7
| 0.201
|
| #10
| 0.19
| 32
| 21
| 0.159
| 9
| 0.196
| 7
| 0.201
|
| #12
| 0.216
| 24
| 16
| 0.177
| 2
| 0.221
| I
| 0.228
|
| #12
| 0.216
| 28
| 14
| 0.182
| 2
| 0.221
| I
| 0.228
|
| #14
| 0.242
| 20
| 10
| 0.1935
| D
| 0.246
| F
| 0.257
|
| #14
| 0.242
| 24
| 7
| 0.201
| D
| 0.246
| F
| 0.257
|
| 1/4
| 0.25
| 20
| 7
| 0.201
| F
| 0.257
| H
| 0.266
|
| 1/4
| 0.25
| 28
| 3
| 0.213
| F
| 0.257
| H
| 0.266
|
| 5/16
| 0.3125
| 18
| F
| 0.257
| P
| 0.323
| Q
| 0.332
|
| 5/16
| 0.3125
| 24
| I
| 0.272
| P
| 0.323
| Q
| 0.332
|
| 3/8
| 0.375
| 16
| 5/16
| 0.3125
| W
| 0.386
| X
| 0.397
|
| 3/8
| 0.375
| 24
| Q
| 0.332
| W
| 0.386
| X
| 0.397
|
| 7/16
| 0.4375
| 14
| U
| 0.368
| 29/64
| 0.4531
| 15/32
| 0.4687
|
| 7/16
| 0.4375
| 20
| 25/64
| 0.3906
| 29/64
| 0.4531
| 15/32
| 0.4687
|
| 1/2
| 0.5
| 13
| 27/64
| 0.4219
| 33/64
| 0.5156
| 17/32
| 0.5312
|
| 1/2
| 0.5
| 20
| 29/64
| 0.4531
| 33/64
| 0.5156
| 17/32
| 0.5312
|