Other Torque Specifications
SAE Grade 8 Steel Set Screws
Wheel Bolts and Lug Nuts
Thread Size Recommended Torque**
65 + 10 ft−lb 88 + 14 N−m
Recommended Torque
Thread Size
Square Head
140 + 20 in−lb
215 + 35 in−lb
35 + 10 ft−lb
75 + 15 ft−lb
Hex Socket
73 + 12 in−lb
145 + 20 in−lb
18 + 3 ft−lb
7/16 − 20 UNF
Grade 5
1/4
5/16
3/8
− 20 UNC
− 18 UNC
− 16 UNC
− 13 UNC
1/2
− 20 UNF
80 + 10 ft−lb 108 + 14 N−m
80 + 10 ft−lb 108 + 14 N−m
80 + 10 ft−lb 108 + 14 N−m
Grade 5
M12 X 1.25
Class 8.8
1/2
50 + 10 ft−lb
M12 X 1.5
Class 8.8
**
For steel wheels and non−lubricated fasteners.
Thread Cutting Screws
(Zinc Plated Steel)
Thread Cutting Screws
(Zinc Plated Steel)
Type 1, Type 23, or Type F
Thread
Size
Threads per Inch
Type A Type B
Baseline Torque*
Thread Size
Baseline Torque*
20 + 5 in−lb
No. 6 − 32 UNC
No. 8 − 32 UNC
No. 10 − 24 UNC
No. 6
No. 8
18
15
12
11
20
18
16
14
20 + 5 in−lb
30 + 5 in−lb
38 + 7 in−lb
85 + 15 in−lb
30 + 5 in−lb
38 + 7 in−lb
No. 10
No. 12
1/4
5/16
3/8
− 20 UNC
− 18 UNC
− 16 UNC
85 + 15 in−lb
110 + 20 in−lb
200 + 100 in−lb
* Hole size, material strength, material thickness, and
finish must be considered when determining specific
torque values. All torque values are based on non−lubri-
cated fasteners.
Conversion Factors
in−lb X 11.2985 = N−cm
N−cm X 0.0885 = in−lb
ft−lb X 1.3558 = N−m
N−m X 0.7376 = ft−lb
Product Records and Maintenance
Page 2 − 6
Groundsmaster 4100−D
Product Specification
Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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Tags | Toro Groundsmaster 4100 D |
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