8-G5
BX1860, BX2360, BX2660, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, LA203, LA243, WSM
G GENERAL
[3] AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC OR
UNF THREADS
W1022485
[4] PLUGS
0000001666E
Grade
SAE GR.5 SAE GR.8
Unit
Nominal
Diameter
N·m kgf·m lbf·ft N·m kgf·m lbf·ft
1/4 11.7 to 15.7 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
Shape Size
Material of opponent part
Ordinariness Aluminum
N·m kgf·m lbf·ft N·m kgf·m lbf·ft
Tapered
screw
R1/8 13 to 21 1.3 to 2.2 9.4 to 15 13 to 21 1.3 to 2.0 9.4 to 15
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
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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