8 - Technical Specifications
8. 5
Torque Specifications
÷
Note: Use these torque values when tightening hardware (excluding: locknuts and self tapping, thread
forming and sheet metal screws) unless specified otherwise. All torque values are in lb-ft except those
marked with an (*) which are lb-in (for metric torque value Nm, multiply lb-ft value by 1.355 or for lb-in
multiply by 0.113).
Unified
National
Thread
Grade 2
Grade 5
Grade 8
Dry
Lubed
Dry
Lubed
Dry
Lubed
8-32 19* 14* 30*
22*
41*
31*
8-36 20* 15* 31*
23*
43*
32*
10-24 27* 21* 43*
32*
60*
45*
10-32 31* 23* 49*
36*
68*
51*
1/4-20 66* 50*
9 75*
12 9
1/4-28 76* 56* 10 86*
14 10
5/16-18 11
9
17 13 25 18
5/16-24 12
9
19 14 25 20
3/8-16 20
15 30 23
45 35
3/8-24 23
17 35 25
50 35
7/16-14 32
24
50 35 70 55
7/16-20 36
27
55 40 80 60
1/2-13 50
35 75 55
110 80
1/2-20 55
40 90 65
120 90
9/16-12 70
55 110 80
150 110
9/16-18 80
60 120 90
170 130
5/8-11 100
78 150
110
220 170
5/8-18 110
85 180
130
240 180
3/4-10 175 130 260
200
380 280
3/4-16 200 150 300
220
420 320
7/8-9 170 125 430
320
600
460
7/8-14 180 140 470
360
660 500
1-8 250 190 640
480
900
680
1-14 270 210 710
530
1000
740
Metric Coarse
Grade 8.8
Grade 10.9
Grade 12.9
Thread
Dry
Lubed
Dry
Lubed
Dry
Lubed
M6 x 1.0
8
6
11
8
13.5
10
M8 x 1.25
19
14
27
20
32.5
24
M10 x 1.5
37.5
28
53
39
64
47
M12 x 1.75
65
48
91.5
67.5
111.5
82
M14 x 2.0
103.5
76.5
145.5
108
176.5
131
M16 x 2.0
158.5
117.5
223.5
165.5
271
200
Summary of Contents for Mercury Covamax series
Page 1: ...MERCURY COVAMAX Operator Instruction Manual 67002404 100 HAU 08 2009 www hardi com au...
Page 10: ...Table of Contents TOC 8...
Page 18: ...2 Safety 2 6...
Page 88: ...6 Maintenance 1 18 Maintenance Activity Record Date Service Performed...
Page 92: ...7 Fault Finding 1 4...
Page 100: ...8 Technical Specifications 8 8...
