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Hexagon Socket Screw Keys

GB 5356 - 1985

Display drawing:

国标GB 5356 - 1985 GB5356 5356GB Hexagon Socket Screw Keys
Size
2.5 3 4 5 6 8 10 12
s max
min
e max
min
L1
L2
Hardness(HRC)-Ordinary
Hardness(HRC)-Enhance
Guaranteed torque(N·m)-Ordinary
Guaranteed torque(N·m)-Enhance
2.5 3 4 5 6 8 10 12
2.46 2.96 3.95 4.95 5.95 7.94 9.94 11.89
2.82 3.39 4.53 5.67 6.81 9.09 11.37 13.65
2.75 3.31 4.44 5.58 6.71 8.97 11.23 13.44
56 63 70 80 90 100 112 125
18 20 25 28 32 36 40 45
≥50 ≥50 ≥50 ≥50 ≥50 ≥45 ≥45 ≥45
≥52 ≥52 ≥52 ≥52 ≥52 ≥50 ≥48 ≥48
3 5.2 12 24 41 95 180 305
3.8 6.6 16 30 52 120 220 370
Size
14 17 19 22 24 27 32 36
s max
min
e max
min
L1
L2
Hardness(HRC)-Ordinary
Hardness(HRC)-Enhance
Guaranteed torque(N·m)-Ordinary
Guaranteed torque(N·m)-Enhance
14 17 19 22 24 27 32 36
13.89 16.89 18.87 21.87 23.87 26.87 31.84 35.84
15.93 19.35 21.63 25.05 27.33 30.75 36.45 41.01
15.7 19.09 21.32 24.71 26.97 30.36 35.98 40.5
140 180 180 200 224 250 315 355
56 63 70 80 90 100 125 140
≥45 ≥45 ≥45 ≥45 ≥45 ≥45 ≥45 ≥45
≥48 ≥45 ≥45 ≥45 ≥45 ≥45 ≥45 ≥45
480 830 1140 1750 2200 3000 4850 6700
590 980 1360 2110 2750 3910 6510 9260