American Standard Screws, Bolts And Nuts With Unc Or Unf Threads - Kubota BX1860 Workshop Manual

BX1860, BX2360, BX2660, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, LA203, LA243, WSM
[3] AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC OR
UNF THREADS
Grade
Unit
Nominal
Diameter
1/4 11.7 to 15.7
5/16 23.1 to 27.7
3/ 8 48 to 56
1/ 2 110 to 130
9/16 150 to 178
5/ 8 204 to 244
[4] PLUGS
Shape Size
R1/8
Tapered
screw
R1/4
R3/8
R1/2
Straight G1/4
screw
G3/8
G1/2
SAE GR.5
N·m kgf·m
1.19 to 1.61
2.35 to 2.83
4.9 to 5.8
11 to 13
15.2 to 18.2
20.8 to 24.8
Ordinariness
N·m kgf·m
13 to 21 1.3 to 2.2
25 to 44 2.5 to 4.5
49 to 88 5.0 to 9.0
58.9 to 107 6.00 to 11.0
25 to 34 2.5 to 3.5
62 to 82 6.3 to 8.4
49 to 88 5.0 to 9.0
lbf·ft N·m
8.61 to 11.6 16.3 to 19.7
17.0 to 20.5 33 to 39
35.0 to 42.0 61 to 73
80 to 96 150 to 178
110 to 132 217 to 260
150 to 180 299 to 357
Material of opponent part
lbf·ft N·m
9.4 to 15 13 to 21
18 to 32 25 to 34
37 to 65 49 to 58
43.4 to 79.5 59 to 78
18 to 25 –
46 to 60 –
37 to 65 –
8-G5
G GENERAL
SAE GR.8
kgf·m lbf·ft
1.66 to 2.01 12.0 to 14.6
3.4 to 4.0 24 to 29
6.3 to 7.4 45 to 54
15.2 to 18.2 110 to 132
22.2 to 26.5 160 to 192
30.5 to 36.4 220 to 264
W1022485
Aluminum
kgf·m lbf·ft
1.3 to 2.0 9.4 to 15
2.5 to 3.5 18 to 25
5.0 to 6.0 37 to 43
6.0 to 8.0 44 to 57
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KiSC issued 06, 2009 A