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Copyright © 2012 Kato Engineering, Inc. All rights reserved
Ft-Lbs
Tol
N-M
Tol
Ft-Lbs
Tol
N-M
Tol
Ft-Lbs
Tol
N-M
Tol
Ft-Lbs
Tol
N-M
Tol
#4-40
4
*
0.4
#6-32
8 *
0.9
#8-32
14 *
1.6
#10-24
20 *
2.3
#10-32
23 *
2.6
1/4-20
4
1
6
1
8
2
11
3
5
1
7
2
10
2
14
3
5/16-18
8
2
11
2
17
3
24
4
10
2
14
3
25
5
34
7
3/8-16
15
3
20
4
31
6
42
8
12
2
16
3
40
10
54
14
7/16-14
24
5
32
6
50
10
65
13
70
15
95
20
1/2-13
36
7
50
10
75 **
15
100
20
24
5
32
6
100
20
135
27
9/16-12
55
10
75
14
110
20
150
25
150
30
200
40
5/8-11
75
12
100
17
150
25
200
20
200
40
275
55
3/4-10
130
25
175
24
260
50
350
70
370
50
500
70
7/8-9
145
20
195
28
425
60
575
80
600
60
800
80
1.0-8
190
22
250
30
650
75
875
100
900
90
1200
120
1 1/8-7
265
27
350
35
790
80
1075
100
1200
120
1650
160
1 1/4-7
375
40
500
55
1100
120
1500
150
1750
180
2400
250
1 3/8-6
490
50
650
70
1450
150
1950
200
2300
230
3100
300
1 1/2-6
625
60
850
90
1750
180
2350
250
3000
300
4000
400
* Inch-pounds
ASTM and SAE Torque Values
Grade 5
Grade 8
Foot-Pound
Foot-Pound
Newton-Meter
Newton-Meter
Grade 5
GASKETED COVERS
SCREW
SIZE
Grade 2
Foot-Pounds
Newton-Meter
Newton-Meter
Foot-Pound
* Inch-pounds
Ft-Lbs
Tol
N-M
Tol
Ft-Lbs
Tol
N-M
Tol
Ft-Lbs
Tol
N-M
Tol
Ft-Lbs
Tol
N-M
Tol
#4-40
4 *
0.4
5 *
0.6
#6-32
8 *
0.9
10 *
1.1
#8-32
20 *
2.3
16 *
1.8
21 *
2.4
#10-24
18 *
2
24 *
2.7
#10-32
34 *
3.8
33 *
2.9
33 *
3.7
1/4-20
6
1
9
2
5
1
7
2
6
1
8
2
6
1
8
1
5/16-18
13
2
18
3
9
2
12
2
11
2
15
3
11
2
15
3
3/8-16
23
2
31
6
16
3
22
4
21
4
28
5
18
2
24
3
7/16-14
36
5.14
50
10
26
5
35
7
33
7
45
9
28
4
38
5
1/2-13
50
10
70
14
35
7
45
9
45
9
60
12
44 **
6
60
12
9/16-12
55
10
70
13
60
11
80
15
5/8-11
110
18
145
24
85
14
115
19
100
17
140
23
3/4-10
180
35
240
46
120
23
160
31
130
25
180
35
7/8-9
430
60
580
82
205
30
280
40
1.0-8
580
70
790
90
300
35
400
45
1 1/8-7
430
45
590
60
1 1/4-7
550
60
750
80
1 3/8-6
700
70
950
100
1 1/2-6
930
100
1250
130
* Inch-pounds
Foot-Pound
Newton-Meter
Stainless Screws
Foot-Pound
Foot-Pound
Newton-Meter
Foot-Pounds
Newton-Meter
Brass Screws
Grade B Top Lock Nuts
Set Screws
Newton-Meter
SCREW
SIZE