|
STANDARD TEST PLATE THICKNESSES AND HOLES SIZES FOR DRIVE TEST INSPECTION OF TAPPING SCREWS—THICKNESS
|
|||||
|
Nominal
Screw Size |
Types
AB, A, B, BP, and C Gage |
Types
AB, A, B, BP, and C Max |
Types
AB, A, B, BP, and C Min |
Types
D, F, G, and T Max |
Types
D, F, G, and T Min |
|
2
|
18
|
0.0500
|
0.0460
|
0.0800
|
0.0760
|
|
3
|
18
|
0.0500
|
0.0460
|
0.0960
|
0.0920
|
|
4
|
18
|
0.0500
|
0.0460
|
0.1110
|
0.1070
|
|
5
|
18
|
0.0500
|
0.0460
|
0.1110
|
0.1070
|
|
6
|
14
|
0.0770
|
0.0730
|
0.1425
|
0.1385
|
|
7
|
14
|
0.0770
|
0.0730
|
—
|
—
|
|
8
|
14
|
0.0770
|
0.0730
|
0.1420
|
0.1380
|
|
10
|
1/8
|
0.1270
|
0.1230
|
0.1905
|
0.1845
|
|
12
|
1/8
|
0.1270
|
0.1230
|
0.1905
|
0.1845
|
|
14
|
1/8
|
0.1270
|
0.1230
|
—
|
—
|
|
1/4
|
3/16
|
0.1905
|
0.1845
|
0.2530
|
0.2470
|
|
16
|
3/16
|
0.1905
|
0.1845
|
—
|
—
|
|
18
|
3/16
|
0.1905
|
0.1845
|
—
|
—
|
|
5/16
|
3/16
|
0.1905
|
0.1845
|
0.3155
|
0.3095
|
|
20
|
3/16
|
0.1905
|
0.1845
|
—
|
—
|
|
24
|
3/16
|
0.1905
|
0.1845
|
—
|
—
|
|
3/8
|
3/16
|
0.1905
|
0.1845
|
0.3780
|
0.3720
|
|
7/16
|
3/16
|
0.1905
|
0.1845
|
—
|
—
|
|
1/2
|
3/16
|
0.1905
|
0.1845
|
—
|
—
|
|
STANDARD TEST PLATE THICKNESSES AND HOLES SIZES FOR DRIVE TEST INSPECTION OF TAPPING SCREWS—HOLE SIZE
|
||||||||||||
|
Nominal
Screw Size |
Type A
Drill Size |
Type A
Hole Dia |
Types
AB, B, and BP Drill Size |
Types
AB, B, and BP Hole Dia |
Type C
Coarse Thread Drill Size |
Type C
Coarse Thread Hole Dia |
Type C
Fine Thread Drill Size |
Type C
Fine Thread Hole Dia |
Types D,
F, G, and T Coarse Thread Drill Size |
Types D,
F, G, and T Coarse Thread Hole Dia |
Types D,
F, G, and T Fine Thread Drill Size |
Types D,
F, G, and T Fine Thread Hole Dia |
|
2
|
No. 48
|
0.0760
|
No. 48
|
0.0760
|
No. 48
|
0.0760
|
No. 48
|
0.0760
|
No. 49
|
0.0730
|
—
|
—
|
|
3
|
No. 46
|
0.0810
|
No. 46
|
0.0810
|
No. 44
|
0.0860
|
No. 43
|
0.0890
|
No. 46
|
0.0810
|
—
|
—
|
|
4
|
No. 44
|
0.0860
|
No. 44
|
0.0860
|
No. 41
|
0.0960
|
No. 40
|
0.0980
|
No. 41
|
0.0960
|
—
|
—
|
|
5
|
No. 36
|
0.1065
|
No. 36
|
0.1065
|
No. 35
|
0.1100
|
No. 35
|
0.1100
|
No. 37
|
0.1040
|
—
|
—
|
|
6
|
No. 32
|
0.1160
|
No. 32
|
0.1160
|
No. 31
|
0.1200
|
1/8
|
0.1250
|
No. 31
|
0.1200
|
—
|
—
|
|
7
|
No. 30
|
0.1285
|
No. 30
|
0.1285
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
|
8
|
No. 29
|
0.1360
|
No. 29
|
0.1360
|
No. 27
|
0.1440
|
No. 26
|
0.1470
|
No. 26
|
0.1470
|
—
|
—
|
|
10
|
No. 21
|
0.1590
|
No. 21
|
0.1590
|
No. 19
|
0.1660
|
11/64
|
0.1719
|
No. 17
|
0.1730
|
No. 16
|
0.1770
|
|
12
|
3/16
|
0.1875
|
3/16
|
0.1875
|
No. 11
|
0.1910
|
No. 10
|
0.1935
|
No. 8
|
0.1990
|
—
|
—
|
|
14
|
5.5 mm
|
0.2165
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
|
1/4
|
—
|
—
|
5.5 mm
|
0.2165
|
7/32
|
0.2188
|
1
|
0.2280
|
1
|
0.2280
|
A
|
0.2340
|
|
16
|
B
|
0.2380
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
|
18
|
G
|
0.2610
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
|
5/16
|
—
|
—
|
1
|
0.2720
|
J
|
0.2770
|
L
|
0.2900
|
L
|
0.2900
|
M
|
0.2950
|
|
20
|
L
|
0.2900
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
|
24
|
11/32
|
0.3438
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
|
3/8
|
—
|
—
|
21/64
|
0.3281
|
R
|
0.3390
|
11/32
|
0.3438
|
T
|
0.3580
|
T
|
0.3580
|
|
7/16
|
—
|
—
|
13/32
|
0.4062
|
10 mm
|
0.3937
|
—
|
—
|
—
|
—
|
—
|
—
|
|
1/2
|
—
|
—
|
15/32
|
0.4688
|
29/64
|
0.4531
|
—
|
—
|
—
|
—
|
—
|
—
|