• Item:Hex Key, Allen Key, DIN911, CRV Hex Key
  • According To:DIN 911
  • Material:Alloy Steel CR-V6150
  • Hardness:HRC 48~53
  • Finished:Black phosphate plated, Bright Zinc plated, CR3+ plated, Black Zinc plated, Nickel plated

Unit:mm

Nominal
Size
W Y C B R Proff Torque
kg-cm
(N-m)
Key Size Tolerance Min. Approx. Approx. Approx.
1.5 1.5 0
-0.030
1.62 45 14 1.5 7(0.69)
2 2.0 0
-0.030
2.19 50 16 2 16(1.57)
2.5 2.5 0
-0.030
2.76 56 18 2.5 31(3.04)
3 3.0 0
-0.040
3.31 63 20 3 53(5.20)
4 4.0 0
-0.040
4.47 70 25 4 122(11.96)
5 5.0 0
-0.040
5.60 80 28 5 245(24.0)
6 6.0 0
-0.050
6.73 90 32 6 420(41.2)
8 8.0 0
-0.050
8.98 100 36 8 970(95.1)
10 10.0 0
-0.050
11.24 112 40 10 1840(180.4)
12 12.0 0
-0.050
13.44 125 45 12 3100(304.0)
14 14.0 0
-0.070
15.70 140 56 14 4900(480.5)
17 17.0 0
-0.070
19.09 160 63 17 8500(833.6)
19 19.0 0
-0.070
21.33 180 70 19 11600(1138)
  • According To:ASME B18.3-2002
  • Material:Alloy Steel CR-V6150
  • Hardness:Through 3/8 In. Minimum 48 HRC Over 3/8 In. Minimum 45 HRC

Unit:inch

Nominal
Size
W Y B C R
Hexagon Width
Across Flats
Hexagon Width
Across Corners
Length of
Short Arm
Length of Long Arm Radius
of Bent
Short Series Long Series
Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min.
1/16 0.0625 0.0615 0.0701 0.0680 0.656 0.469 1.844 1.656 3.094 2.906 0.062
5/64 0.0781 0.0771 0.0880 0.0859 0.703 0.516 1.969 1.781 3.281 3.094 0.078
3/32 0.0937 0.0927 0.1058 0.1035 0.750 0.562 2.094 1.906 3.469 3.281 0.094
7/64 0.1094 0.1079 0.1238 0.1210 0.797 0.609 2.219 2.031 3.656 3.469 0.109
1/8 0.1250 0.1235 0.1418 0.1390 0.844 0.656 2.344 2.156 3.844 3.656 0.125
9/64 0.1406 0.1391 0.1593 0.1566 0.891 0.703 2.469 2.281 4.301 3.844 0.141
5/32 0.1562 0.1547 0.1774 0.1745 0.938 0.750 2.594 2.406 4.219 4.031 0.156
3/16 0.1875 0.1860 0.2135 1.2105 1.031 0.844 2.844 2.656 4.594 4.406 0.188
7/32 0.2187 0.2172 0.2490 0.2460 1.125 0.938 3.094 2.906 4.969 4.781 0.219
1/4 0.2500 0.2485 0.2845 0.2815 1.219 1.031 3.344 3.156 5.344 5.156 0.250
5/16 0.3125 0.3110 0.3570 0.3531 1.344 1.156 3.844 3.656 6.094 5.906 0.312
3/8 0.3750 0.3735 0.4285 0.4238 1.469 1.281 4.344 4.156 6.844 6.656 0.375
7/16 0.4375 0.4355 0.5005 0.4944 1.594 1.406 4.844 4.656 7.594 7.406 0.438
1/2 0.5000 0.4975 0.5705 0.5650 1.719 1.531 5.344 5.156 8.344 8.156 0.500
9/16 0.5625 0.5600 0.6420 0.6356 1.844 1.656 5.844 5.656 9.094 8.906 0.562
5/8 0.6250 0.6255 0.7146 0.7080 1.969 1.781 6.344 6.156 9.844 9.656 0.625
3/4 0.7500 0.7470 0.8580 0.8512 2.219 2.031 7.344 7.156 11.344 11.156 0.750
7/8 0.8750 0.8720 1.0020 0.9931 2.469 2.281 8.344 8.156 12.844 12.656 0.875
1 1.0000 0.9970 1.1470 1.1350 2.719 2.531 9.344 9.156 14.344 14.156 1.000