Other Torque Specifications; Conversion Factors - Toro Reelmaster 5200-D Service Manual

Other Torque Specifications

SAE Grade 8 Steel Set Screws
Thread Size Thread Size
Square Head
1/4 - 20 UNC
140  20 in-lb
5/16 - 18 UNC
215  35 in-lb
3/8 - 16 UNC
35 10 ft-lb
1/2 - 13 UNC
75  15 ft-lb
Thread Cutting Screws
(Zinc Plated Steel)
Type 1, Type 23, or Type F
Thread Size
No. 6 - 32 UNC
No. 8 - 32 UNC
No. 10 - 24 UNC
1/4 - 20 UNC
5/16 - 18 UNC
3/8 - 16 UNC

Conversion Factors

in-lb X 11.2985 = N-cm
ft-lb X 1.3558 = N-m
Product Records and Maintenance
Recommended Torque
Hex Socket
73  12 in-lb
145  20 in-lb
18  3 ft-lb
50 10 ft-lb
Baseline Torque*
20  5 in-lb
30  5 in-lb
38  7 in-lb
85  15 in-lb
110  20 in-lb
200  100 in-lb
Wheel Bolts and Lug Nuts
Thread Size
7/16 - 20 UNF
Grade 5
1/2 - 20 UNF
Grade 5
M12 X 1.25
Class 8.8
M12 X 1.5
Class 8.8
** For steel wheels and non-lubricated fasteners.
Thread Cutting Screws
Thread Threads per Inch
Size Size
Type A
No. 6 18
No. 8 15
No. 10 12
No. 12 11
* Hole size, material strength, material thickness & finish
must be considered when determining specific torque
values. All torque values are based on non-lubricated
fasteners.
N-cm X 0.08851 = in-lb
N-m X 0.7376 = ft-lb
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Recommended Torque**
65  10 ft-lb 88  14 N-m
80  10 ft-lb 108  14 N-m
80  10 ft-lb 108  14 N-m
80  10 ft-lb 108  14 N-m
(Zinc Plated Steel)
Baseline Torque* Baseline Torque*
Type B
20
20  5 in-lb
18
30  5 in-lb
16
38  7 in-lb
14
85  15 in-lb
Reelmaster 5200-D/5400-D