ISO 773 Standard Dimensions for Parallel keys
This norm has been cancelled
Rectangular or square parallel keys and their corresponding keyways
Dimensional Drawing and Technical Diagrams
Key Dimensions and Technical Parameters
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Dimensions in mm - source ISO 773 Js9 width tolerance Withdrawn |
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| Publication date: 01/1969 | |||||||||||||
| key width b | 2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 |
| key heigth h | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 14 |
| for shaft diameters D (over÷to) |
6 ÷ 8 |
8 ÷ 10 |
10 ÷ 12 |
12 ÷ 17 |
17 ÷ 22 |
22 ÷ 30 |
30 ÷ 38 |
38 ÷ 44 |
44 ÷ 50 |
50 ÷ 58 |
58 ÷ 65 |
65 ÷ 75 |
75 ÷ 85 |
| r min | 0.08 | 0.08 | 0.08 | 0.16 | 0.16 | 0.16 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.40 | 0.40 |
| r max | 0.16 | 0.16 | 0.16 | 0.25 | 0.25 | 0.25 | 0.40 | .040 | 0.40 | 0.40 | 0.40 | 0.60 | 0.60 |
| t1 min | 1.0 | 1.4 | 1.8 | 2.3 | 2.8 | 3.3 | 3.3 | 3.3 | 3.8 | 4.3 | 4.4 | 4.9 | 5.4 |
| t1 max | 1.1 | 1.5 | 1.9 | 2.4 | 2.9 | 3.5 | 3.5 | 3.5 | 4.0 | 4.5 | 4.6 | 5.1 | 5.6 |
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Dimensions in mm - source ISO 773Withdrawn |
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| key width b | 25 | 28 | 32 | 36 | 40 | 45 | 50 | 56 | 63 | 70 | 80 | 90 | 100 |
| key heigth h | 14 | 16 | 18 | 20 | 22 | 25 | 28 | 32 | 32 | 36 | 40 | 45 | 50 |
| for shaft diameters D (over÷to) |
85 ÷ 95 |
95 ÷ 110 |
110 ÷ 130 |
130 ÷ 150 |
150 ÷ 170 |
170 ÷ 200 |
200 ÷ 230 |
230 ÷ 260 |
260 ÷ 290 |
290 ÷ 330 |
330 ÷ 380 |
380 ÷ 440 |
440 ÷ 500 |
| r min | 0.40 | 0.40 | 0.40 | 0.70 | 0.70 | 0.70 | 0.70 | 1.20 | 1.20 | 1.20 | 2.00 | 2.00 | 2.00 |
| r max | 0.60 | 0.60 | 0.60 | 1.00 | 1.00 | 1.00 | 1.00 | 1.60 | 1.60 | 1.60 | 2.50 | 2.50 | 2.50 |
| t1 min | 5.4 | 6.4 | 7.4 | 8.4 | 9.4 | 10.4 | 11.4 | 12.4 | 12.4 | 14.4 | 15.4 | 17.4 | 19.5 |
| t1 max | 5.6 | 6.6 | 7.6 | 8.7 | 9.7 | 10.7 | 11.7 | 12.7 | 12.7 | 14.7 | 15.7 | 17.7 | 19.8 |