1001-6
Issued 09-2014
STANDARD TORQUE DATA FOR CAP SCREWS AND NUTS
Tightening of cap screws, nuts
Tighten alternately so that tightening torque can be applied evenly. The numbers in the figure below indicate the
order of tightening.
JS00481A
Cap screws which have had Loctite used (white residue remains after removal) should be cleaned with loght oil or
suitable cleaning solvent and dried. Apply 2-3 drops of Loctite to the thread portion of the cap screw and then
tighten.
Torque table
Tighten cap screws and nuts according to the table below if there are no other special instructions.
Cap Screw Name Size (Size) M6 M8 M10 M12 M14 M16 M18 M20
Cap Screw
Spanner
[mm] 10 13 17 19 22 24 27 30
[in.] 0.39 0.51 0.67 0.75 0.87 0.95 1.06 1.18
Tightening
torque
[Nm] 6.9 19.6 39.2 58.8 98.1 156.9 196.1 294.2
[lb-ft] 5.1 14.5 28.9 43.4 72.3 115.7 144.6 217
Socket
Head Cap
Screw
Spanner
[mm] 5 6 8 10 12 14 14 17
[in.] 0.20 0.24 0.32 0.39 0.47 0.55 0.55 0.67
Tightening
torque
[Nm] 8.8 21.6 42.1 78.5 117.7 176.5 245.2 343.2
[lb-ft] 6.5 15.9 31.1 57.9 86.9 130.2 181 253.2
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