Round Head Studs
All dimensions are in inches (Size Unit: inch)
UNIFIED
Thread Size
Type
Thread Code
Length Code "L" ±.015
( Length Code is in 16ths of an inch)
Min.Sheet Thickness
Hole Size In Sheet
+.005
-.000
Max.Hole in Attach Parts
H
±.01
S Max. (2)
T
Max.
Min.Dist Hole C/L To Edge
Fastener Material
Steel
Stainless Steel
Phosphor Bronze(1)
.500
.750
1.00
1.25
1.50
1.75
2.00
.190-32(#10-32)
HFH
HFHS
HFHB
032
8
12
16
20
24
28
32
.050
.190
.250
.300
.105
.040
.415
.250-20(1/4-20)
HFH
HFHS
HFHB
0420
8
12
16
20
24
28
32
.060
.250
.312
.380
.125
.050
.460
.313-18(5/16-18)
HFH
HFHS
HFHB
0518
8
12
16
20
24
28
32
.075
312
.375
.480
.140
.070
.500
.375-16(#3/8-16)
HFH
HFHS
HFHB
0616
NA
12
16
20
24
28
32
090
.375
.437
.580
.155
.085
530
All dimensions are in millimeters (Size Unit: mm)
METRIC
Thread Size
Type
Thread Code
Length Code "L" ± 0.4
( Length Code is in millimeters)
Min.Sheet Thickness
Hole Size In Sheet
+0.13
Max.Hole in Attach Parts
H
±0.25
S Max. (2)
T
Max.
Min.Dist Hole C/L To Edge
Fastener Material
Steel
Stainless Steel
Phosphor Bronze(1)
M5X0.8
HFH
HFHS
HFHB
M5
15
20
25
30
35
40
50
1.3
5
6.5
7.8
2.7
1.14
10.7
M6X1.0
HFH
HFHS
HFHB
M6
15
20
25
30
35
40
50
1.5
6
7.5
9.4
2.8
1.27
11.5
M8X1.25
HFH
HFHS
HFHB
M8
15
20
25
30
35
40
50
2
8
9.5
12.5
3.5
1.78
12.7
M10X1.5
HFH
HFHS
HFHB
M10
15
20
25
30
35
40
50
2.3
10
11.5
15.7
4.1
2.29
13.7