Operation Manual
BX25. RCK54(P)-23BX, RCK60B-23BX. LA240, BT601, WSM
FRONT LOADER
[3]
AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC OR
UNF THREADS
Grade
SAEGR.5
G
SAEGR.8
@
~
Nominal
Diameter
N'm
kgf·m
IbHt
N'm
kgf·m
IbHt
1/4
11.7t015.7
1.19 to
1.61
8.61
to 11.6
16.3 to 19.7 1.66 to
2.01
12.0 to 14.6
5/16
23.1
to 27.7 2.35 to 2.83 17.0 to 20.5
33
to
39
3.4 to 4.0 24 to 29
3/8
48 to
56
4.9 to 5.8 35.0 to 42.0
61
to 73 6.3 to 7.4
45
to 54
1/2
110
to 130
11
to 13
80
to 96 150 to 178
15.2 to 18.2
110
to 132
9/16 150
to
178
15.2 to 18.2
110
to 132
217 to 260
22.2 to 26.5 160 to 192
5/8
204 to 244
20.8 to 24.8 150 to 180 299
to
357 30.5 to 36.4 220 to 264
W1022485
[4]
PLUGS
Shape Size
Material
of
opponent
part
Ordinariness
Aluminum
N'm
kgf·m
IbHt
N'm
kgf'm
IbHt
Tapered
screw
~
R1/8 13
to
21
1.3 to 2.2 9.4 to 15 13 to
21
1.3t02.0
9.4t015
R1/4
25 to 44 2.5 to 4.5
18
to 32 25 to
34
2.5 to 3.5 18 to 25
R3/8 49 to
88
5.0 to 9.0 37 to
65
49 to 58 5.0 to 6.0 37 to 43
R1/2
58.9 to 107 6.00 to 11.0 43.4 to 79.5 59 to 78 6.0 to 8.0
44 to
57
Straight
screw
L:]
G1/4
25
to
34
2.5 to 3.5 18
to
25
-
- -
G3/8 62 to 82
6.3 to 8.4
46 to 60
-
G1/2 49
to
88
5.0 to 9.0 37 to 65
-
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