Round Head Studs
All dimensions are in inches (Size Unit: inch)
UNIFIED
Thread Size
Type
Thread Code
Length "L" ±.015
( Length Code is in 16ths of an inch)
Min.Sheet Thickness
Hole Size In Sheet +0.003
-0.000
Max.Hole in Attach Parts
H
±.015
S Max. (2)
T
Max.
Min.Dist Hole C/L To Edge
Fastener Material
Steel
Stainless Steel
.250
.312
.375
.500
.625
.750
.875
1.00
1.25
1.50
.086-56(#2-56)
TFH
HFHS
256
4
5
6
8
10
12
NA
NA
NA
NA
.020
.085
.105
.141
.070
.025
.187
.112-40(#4-40)
TFH
HFHS
440
4
5
6
8
10
12
14
NA
NA
NA
.020
.111
.135
.176
.070
.025
.219
.138-32(#6-32)
TFH
HFHS
632
4
5
6
8
10
12
14
16
20
24
.020
.137
.160
.203
.070
.025
.250
.164-32(#8-32)
TFH
HFHS
832
4
5
6
8
10
12
14
16
20
24
.020
.163
.185
.234
.070
.025
.281
.190-24(#10-24)
TFH
HFHS
024
NA
5
6
8
10
12
14
16
20
24
.020
.189
.210
.250
.090
.025
.281
.190-32(#10-32)
TFH
HFHS
032
NA
5
6
8
10
12
14
16
20
24
.020
.189
.210
.250
.090
.025
.281
All dimensions are in millimeters (Size Unit: mm)
METRIC
Thread Size X Pitch
Type
Thread Code
Length Code"L" ± 0.4
( Length Code is in millimeters)
Min.Sheet Thickness
Hole Size In Sheet +0.08
Max.Hole in Attach Parts
H
±0.4
S Max. (2)
T
Max.
Min.Dist Hole C/L To Edge
Fastener Material
Steel
Stainless Steel
M3X0.5
TFH
TFHS
M3
6
8
10
12
15
18
20
25
NA
NA
0.51
3
3.6
4.5
1.8
0.64
5.6
M4X0.7
TFH
TFHS
M4
NA
8
10
12
15
18
20
25
30
35
0.51
4
4.6
5.8
1.8
0.64
7.2
M5X0.8
TFH
TFHS
M5
NA
8
10
12
15
18
20
25
30
35
0.51
5
5.6
6.4
2.3
0.64
7.2