Chavetas Paralelas
ABNT NBR 6375 — Informe o diâmetro do eixo para obter as dimensões da chaveta.
Tabela completa
| Diâmetro (mm) | b (mm) | h (mm) | t₁ (mm) | t₂ (mm) | L min–max (mm) |
|---|---|---|---|---|---|
| 6 – 8 | 2 | 2 | 1.2 | 1 | 6 – 20 |
| 8 – 10 | 3 | 3 | 1.8 | 1.4 | 6 – 36 |
| 10 – 12 | 4 | 4 | 2.5 | 1.8 | 8 – 45 |
| 12 – 17 | 5 | 5 | 3 | 2.3 | 10 – 56 |
| 17 – 22 | 6 | 6 | 3.5 | 2.8 | 14 – 70 |
| 22 – 30 | 8 | 7 | 4 | 3.3 | 18 – 90 |
| 30 – 38 | 10 | 8 | 5 | 3.3 | 22 – 110 |
| 38 – 44 | 12 | 8 | 5 | 3.3 | 28 – 140 |
| 44 – 50 | 14 | 9 | 5.5 | 3.8 | 36 – 160 |
| 50 – 58 | 16 | 10 | 6 | 4.3 | 45 – 180 |
| 58 – 65 | 18 | 11 | 7 | 4.4 | 50 – 200 |
| 65 – 75 | 20 | 12 | 7.5 | 4.9 | 56 – 220 |
| 75 – 85 | 22 | 14 | 9 | 5.4 | 63 – 250 |
| 85 – 95 | 25 | 14 | 9 | 5.4 | 70 – 280 |
| 95 – 110 | 28 | 16 | 10 | 6.4 | 80 – 320 |
| 110 – 130 | 32 | 18 | 11 | 7.4 | 90 – 360 |
| 130 – 150 | 36 | 20 | 12 | 8.4 | 100 – 400 |