1. Evansville, IN
Jasper, IN
Vincennes, IN
812-477-0077
812-482-5105
812-882-4090
Henderson, KY
Owensboro, KY
Mt. Vernon, IL
270-830-0077
270-684-0877
618-244-7156
Specifications
Dimensions
ANSI/ISO Metric Hex Cap Screws
See Page 415
For
Torque Values
All Dimensions To ANSI B18.2.3.1M
D
S
K
Body
Diameter
Nominal
Screw
Diameter
& Thread
Pitch
Width
Across
Flats
R
Head
Height
Fillet
Radius
Min.
Min.
M6 x 1
M8 x 1.25
M10 x 1.5
M12 x 1.75
M14 x 2
M16 x 2
M20 x 2.5
M24 x 3
M30 x 3.5
B Thread Length
Max.
Min.
Max.
Min.
6.00
8.00
10.00
12.00
14.00
16.00
20.00
24.00
30.00
9.78
12.73
15.73
17.73
20.67
23.67
29.16
35.00
45.00
10.00
13.00
16.00
18.00
21.00
24.00
30.00
36.00
46.00
3.85
5.10
6.17
7.24
8.51
9.68
12.12
14.56
17.92
4.15
5.50
6.63
7.76
9.09
10.32
12.88
15.44
19.48
For L
> 125
≤ 200
For L
>200
0.3
0.4
0.4
0.6
0.6
0.6
0.8
0.8
1.0
18
22
26
30
34
38
46
54
66
24
28
32
36
40
44
52
60
72
37
41
45
49
53
57
65
73
85
Max.
5.82
7.78
9.78
11.73
13.73
15.73
19.67
23.67
29.67
For L
≤ 125
Material & Mechanical Properties To SAE J1199
Property
Class 8.8
Class 10.9
Hardness
Proof Load
Yield Strength
Min. Tensile Strength
Headmark
Rc23-34
600 MPa (87,000 PSI)
660 MPa (95,700 PSI)
830 Maa (120,350 PSI)
8.8–Bolt Sizes M16 Thru M30
Rc33-39
830 MPa (120,350 PSI)
940 MPa (136,300 PSI)
1040 Mpa (150,800 PSI)
10.9–Bolt Sizes M6 Thru M30
Metric Class 12.9 Socket Head Cap Screws
dk
Head Diameter
k
Head Height
s
Hex Key Size
M2
M2.5
M3
M4
3.62
4.32
5.32
6.78
1.86
2.36
2.86
3.82
1.5
2.0
2.5
3.0
M5
M6
M8
M10
8.28
9.78
12.73
15.73
4.82
5.70
7.64
9.64
4.0
5.0
6.0
8.0
M12
M16
M20
M24
17.73
23.67
29.67
35.61
11.57
15.57
19.48
23.48
10.0
14.0
17.0
19.0
Diameter
452
Visit us on the WEB @ EBNinc.com
F
Longest
Stand.
Bolt
Length
Thd. to
Head
25
30
35
40
45
50
60
75
90

2. Evansville, IN
Jasper, IN
Vincennes, IN
812-477-0077
812-482-5105
812-882-4090
Henderson, KY
Owensboro, KY
Mt. Vernon, IL
Metric Socket Set Screws
Metric Class 8 Finished Hex Nuts
dv
Point
Diameter
t
Key
Engagement
M2
M2.5
M3
0.75
0.95
1.15
1.7
2.0
2.0
M4
M5
M6
1.75
2.25
2.75
2.5
3.0
3.5
M8
M10
M12
4.70
5.70
7.64
5.0
6.0
8.0
M16
M20
9.64
13.57
10.0
12.0
270-830-0077
270-684-0877
618-244-7156
Bolt Size
.6
.7
.8
1.0
-
M3.5
M4
M5
M6
6.0
7.0
8.0
10.0
6.58
7.66
8.79
11.05
2.55
2.90
3.70
4.70
1.0
1.25
1.5
1.75
1.0
1.25
1.50
M7
M8
M10
M12
11.0
13.0
17.0
19.0
12.12
14.38
18.90
21.10
5.20
6.14
7.64
9.64
2.0
2.0
2.5
2.5
d2
Head
Diameter
5.7
7.6
9.5
10.5
k
Head
Height
1.65
2.20
2.75
3.30
s
Hex Key
Size
2.0
2.5
3.0
4.0
t
Key
Engagement
1.04
1.30
1.56
2.08
14.0
17.5
21.0
M8
M10
M12
Diameters
M1.6
M2
M2.5
M3
1.5
1.5
1.5
1.5
M14
M16
M18
M20
22.0
24.0
27.0
30.0
24.49
26.75
29.56
32.95
10.30
12.30
14.30
14.90
2.5
3.0
3.0
3.5
1.5
2.0
2.0
2.0
M22
M24
M27
M30
32.0
36.0
41.0
46.0
35.03
39.55
45.20
50.85
16.90
17.70
20.70
22.70
3.5
4.0
4.0
4.5
2.0
3.0
-
M33
M36
M39
M42
50.0
55.0
60.0
65.0
55.37
60.79
66.44
71.30
24.70
27.40
29.40
32.40
4.5
5.0
-
M45
M48
M52
70.0
75.0
80.0
76.95
82.60
88.25
34.40
36.40
40.40
Coarse
.4
.4
.45
.5
Metric Class 10.9 Button Head
Socket Cap Screws
Bolt Size
M3
M4
M5
M6
Fine
-
s
Width Across
Flats
min.
3.2
4.0
5.0
5.5
Pitches
4.40
5.50
6.60
5.0
6.0
8.0
o
Width Across
Corners
min.
3.41
4.32
5.45
6.01
m
Thickness
min.
1.05
1.35
1.75
2.15
2.60
3.12
4.16
Metric Class 5 Wing
Nuts Cold Forged
Metric Class 10.9 Flat Head
Socket Cap Screws
d
Boss Diameter
e
Wing Spread
h
Wing Height
m
Boss Height
M3
M4
M5
M6
8.0
8.0
10.3
12.7
17.6
17.6
22.5
27.8
8.6
8.6
11.0
13.6
2.9
2.9
4.1
5.1
M8
M10
M12
M14
13.8
16.5
22.5
26.6
30.3
36.2
49.4
58.3
14.8
17.7
24.1
28.5
5.6
6.8
9.0
10.7
M16
M18
M20
26.6
29.5
29.5
58.3
68.5
68.5
28.5
33.8
33.8
10.7
13.5
13.5
Diameter
d2
Head Diameter
6
8
10
b
Thread Length
12
14
16
k
Head Height
1.7
2.3
2.8
s
Hex Key Size
2.0
2.5
3.0
M6
M8
M10
12
16
20
18
22
26
3.3
4.4
5.5
4.0
5.0
6.0
M12
M16
M20
24
30
36
30
38
46
6.5
7.5
8.5
8.0
10.0
12.0
Bolt Size
M3
M4
M5
Visit us on the WEB @ EBNinc.com
453

3. Evansville, IN
Jasper, IN
Vincennes, IN
812-477-0077
812-482-5105
812-882-4090
Henderson, KY
Owensboro, KY
Mt. Vernon, IL
Metric Class 6 Acorn (Cap) Nuts
Diameter
M3
M4
M5
M6
M8
M10
M12
M14
M16
M18
M20
M22
M24
m
Hex
Height
h
Thickness
t
Depth of
Threads
3.2
3.2
4.0
5.0
6.5
8.0
10.0
11.0
13.0
15.0
16.0
18.0
19.0
8
8
10
12
15
18
22
25
28
32
34
39
42
5.5
5.5
7.5
8.0
11.0
13.0
16.0
18.0
21.0
25.0
26.0
29.0
31.0
d2
Outside
Diameter
7
7
8
10
13
17
19
22
24
27
30
32
36
1.7
2.2
2.7
3.2
4
5
6
7
3.7
4.3
5.3
6.4
8
9
10
12
0.5
0.8
1.0
1.6
M7
M8
M10
M12
7.4
8.4
10.5
13.0
14
16
20
24
15.0
17.0
19.0
21.0
28
30
34
37
23.0
25.0
28.0
31.0
39
44
50
56
s
Width Across
Flats
Thickness
min.
4.32
5.45
6.01
7.66
0.95
1.35
1.55
1.95
4
5
5.5
7
M5
M6
M8
M10
8.79
11.05
14.38
18.90
2.45
2.90
3.70
4.70
8
10
13
17
M12
M14
M16
M18
21.10
24.49
26.75
29.56
5.70
6.42
7.42
8.42
19
22
24
27
32.95
35.03
39.55
45.20
9.10
9.90
10.90
12.40
30
32
36
41
50.85
55.37
60.79
13.90
15.40
16.90
46
50
55
3.0
4.0
4.0
4.0
Bolt Size
s
M2
M2.5
M3
M4
2.5
3.0
3.0
3.0
M22
M24
M27
M30
m
Diameter
1.6
1.6
2.0
2.5
M14
M16
M18
M20
e
Width Across
Corners
M30
M33
M36
0.3
0.3
0.5
0.5
M3.5
M4
M5
M6
5.50
7.66
8.79
11.05
14.38
18.90
21.10
23.35
26.75
30.14
33.53
35.72
39.98
M20
M22
M24
M27
Thickness
M1.6
M2
M2.5
M3
Metric Class 4 Hex Jam Nuts
s
e
Width Across Width Across
Flats
Corners
Metric Flat Washers
d1
Inside
Diameter
270-830-0077
270-684-0877
618-244-7156
Metric Class 10 All
Metal Hex Locknuts
d1
Inside
Bolt Size Diameter
d2
Outside
Diameter
s
Thickness
M2.5
M3
M3.5
2.7
3.2
3.7
8
9
11
0.8
0.8
0.8
M4
M5
M6
4.3
5.3
6.4
12
15
18
1.0
1.2
1.6
M7
M8
M10
7.4
8.4
10.5
22
24
30
2.0
2.0
2.5
M12
M14
M16
13.0
15.0
17.0
37
44
50
20.0
22.0
56
60
11.05
14.38
18.90
21.10
M16
M20
M24
26.75
32.95
39.55
Diameter
M2.5
M3
M4
M5
3.0
3.0
3.0
M18
M20
Thickness
max.
3.7
4.2
5.1
M6
M8
M10
M12
Metric Fender Washers
e
Width Across
Corners
min.
6.01
7.66
8.79
4.0
4.0
454
Visit us on the WEB @ EBNinc.com
h
m
Hex
Height
s
Width Across
Flats
1.65
2.20
2.75
5.5
7.0
8.0
6.0
8.0
10.0
12.0
3.30
4.40
5.50
6.60
10.0
13.0
17.0
19.0
16.0
20.0
24.0
8.80
11.00
13.20
24.0
30.0
36.0

4. Evansville, IN
Jasper, IN
Vincennes, IN
812-477-0077
812-482-5105
812-882-4090
Henderson, KY
Owensboro, KY
Mt. Vernon, IL
Metric Class 6 & 8 Nylon Insert
Hex Locknuts
Metric High Collar Split
Lock Washers
e
Width Across
Corners
min.
6.01
7.66
8.79
11.05
Thickness
max.
4.0
5.0
5.0
6.0
M8
M10
M12
M14
14.38
18.90
21.10
24.49
M16
M18
M20
M22
M24
M27
M30
Diameter
M3
M4
M5
M6
h
m
Hex
Height
s
Width Across
Flats
2.4
2.9
3.2
4.0
5.5
7.0
8.0
10.0
8.0
10.0
12.0
14.0
5.5
6.5
8.0
9.5
13.0
17.0
19.0
22.0
26.75
29.56
32.95
35.03
16.0
18.5
20.0
22.0
10.5
13.0
14.0
15.0
24.0
27.0
30.0
32.0
39.55
45.20
50.85
24.0
27.0
30.0
15.0
17.0
19.0
36.0
41.0
46.0
d1
Inside
Diameter
Bolt Size
M3
M3.5
M4
3.1
3.6
4.1
d2
Outside
Diameter
max.
5.6
6.1
7.0
M5
M6
M8
5.1
6.1
8.1
8.8
9.9
12.7
1.6
1.6
2.0
M10
M12
M14
10.2
12.2
14.2
16.0
18.0
21.1
2.5
2.5
3.0
M16
M18
M20
16.2
18.2
20.2
24.4
26.4
30.6
3.5
3.5
4.5
M22
M24
M27
22.5
24.5
27.5
32.9
35.9
38.9
4.5
5.0
5.0
Metric Medium Split Lock
Washers
d1
Inside
Diameter
2.1
2.6
3.1
d2
Outside
Diameter
4.4
5.1
6.2
Thickness
0.5
0.6
0.8
M3.5
M4
M5
3.6
4.1
5.1
6.7
7.6
9.2
0.8
0.9
1.2
M6
M7
M8
6.1
7.1
8.1
11.8
12.8
14.8
1.6
1.6
2.0
M10
M12
M14
10.2
12.2
14.2
18.1
21.1
24.1
2.2
2.5
3.0
M16
M18
M20
16.2
18.2
20.2
27.4
29.4
33.6
3.5
3.5
4.0
M22
M24
M27
22.5
24.5
27.5
35.9
40.0
43.0
4.0
5.0
5.0
Bolt Size
M2
M2.5
M3
270-830-0077
270-684-0877
618-244-7156
s
Thickness
1.0
1.0
1.2
Metric External And Internal
Tooth Lock Washers
s
d1
Inside
Diameter
2.2
2.5
2.7
3.2
4.3
5.3
6.4
7.4
8.4
10.5
12.5
14.5
d2
Outside
Diameter
4.5
5.0
5.5
6.0
8.0
10.0
11.0
12.5
15.0
18.0
20.5
24.0
Thickness
0.3
0.4
0.4
0.4
0.5
0.6
0.7
0.8
0.8
0.9
1.0
1.0
M16
M18
M20
M22
16.5
19.0
21.0
23.0
26.0
30.0
33.0
36.0
1.2
1.4
1.4
1.5
M24
M27
M30
25.0
28.0
31.0
38.0
44.0
48.0
1.5
1.6
1.6
Bolt Size
M2
M2.3
M2.5
M3
M4
M5
M6
M7
M8
M10
M12
M14
Visit us on the WEB @ EBNinc.com
s
455

5. Evansville, IN
Jasper, IN
Vincennes, IN
812-477-0077
812-482-5105
812-882-4090
Henderson, KY
Owensboro, KY
Mt. Vernon, IL
Metric Flat Head Phillips
Machine Screws
Pipe Wall Thickness
M5
M6
M8
M10
k
Head
Height
1.20
1.50
1.65
2.20
m
Recess
Diameter
2.35
2.70
2.90
4.40
9.2
11.0
14.5
18.0
Diameter
M2
M2.5
M3
M4
d2
Head
Diameter
3.8
4.7
5.6
7.5
2.50
3.00
4.00
5.00
4.60
6.60
8.70
9.60
Metric Flat Head Slotted
Machine Screws
d2
Head Diameter
Diameter
M1.6
M2
M2.5
M3
3.0
3.8
4.7
5.6
k
Head Height
max.
0.96
1.20
1.50
1.65
M3.5
M4
M5
M6
6.5
7.5
9.2
11.0
1.93
2.20
2.50
3.00
0.8
1.0
1.2
1.6
M8
M10
M12
14.5
18.0
22.0
4.00
5.00
6.0
2.0
2.5
3.0
456
n
Slot Width
0.4
0.5
0.6
0.8
Nom. Size
& (O.D.) IN.
1/8
(.045)
1/4
(.540)
3/8
(.675)
1/2
(.840)
3/4
(1.050)
1
(1.315)
1-1/4
(1.660)
1-1/2
(1,900)
2
(2.375)
2-1/2
(2.875)
3
(3.500)
3-1/2
(4.000)
4
(4.500)
5
(5.563)
6
(6.625)
8
(8.625)
10
(10.750)
12
(12.750)
Visit us on the WEB @ EBNinc.com
Schedule
Number
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
40
80
270-830-0077
270-684-0877
618-244-7156
Wall Thickness
(inches)
.068
.095
.088
.119
.091
.126
.109
.147
.113
.154
.133
.179
.140
.191
.145
.200
.154
.218
.203
.276
.216
.300
.226
.318
.237
.337
.258
.375
.280
.432
.322
.500
.365
.594
.406
.688