Other Torque Specifications - Toro Reelmaster 5500-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 5500-D