Library › Hardware › Parallel keys DIN 6885 form A: 2 × 2 to 18 × 11, with keyway depths

key 6 × 6 × 70, form A (round ends) for shafts over 17 up to 22 mm

key 6 × 6 × 70, form A (round ends) for shafts over 17 up to 22 mm: shaft keyway depth 3.5, hub 2.8

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

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From the full sheet

Parallel keys DIN 6885 form A: 2 × 2 to 18 × 11, with keyway depths: every size, notes, mating features and sources. What key size goes on a 20 mm shaft?

Other sizes

key 2 × 2 × 6, form A (round ends) for shafts over 6 up to 8 mm
key 2 × 2 × 8, form A (round ends) for shafts over 6 up to 8 mm
key 2 × 2 × 10, form A (round ends) for shafts over 6 up to 8 mm
key 2 × 2 × 12, form A (round ends) for shafts over 6 up to 8 mm
key 2 × 2 × 14, form A (round ends) for shafts over 6 up to 8 mm
key 2 × 2 × 16, form A (round ends) for shafts over 6 up to 8 mm
key 2 × 2 × 18, form A (round ends) for shafts over 6 up to 8 mm
key 2 × 2 × 20, form A (round ends) for shafts over 6 up to 8 mm
key 3 × 3 × 6, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 8, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 10, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 12, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 14, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 16, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 18, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 20, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 22, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 25, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 28, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 32, form A (round ends) for shafts over 8 up to 10 mm
key 3 × 3 × 36, form A (round ends) for shafts over 8 up to 10 mm
key 4 × 4 × 8, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 10, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 12, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 14, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 16, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 18, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 20, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 22, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 25, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 28, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 32, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 36, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 40, form A (round ends) for shafts over 10 up to 12 mm
key 4 × 4 × 45, form A (round ends) for shafts over 10 up to 12 mm
key 5 × 5 × 10, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 12, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 14, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 16, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 18, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 20, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 22, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 25, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 28, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 32, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 36, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 40, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 45, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 50, form A (round ends) for shafts over 12 up to 17 mm
key 5 × 5 × 56, form A (round ends) for shafts over 12 up to 17 mm
key 6 × 6 × 14, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 16, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 18, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 20, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 22, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 25, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 28, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 32, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 36, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 40, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 45, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 50, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 56, form A (round ends) for shafts over 17 up to 22 mm
key 6 × 6 × 63, form A (round ends) for shafts over 17 up to 22 mm
key 8 × 7 × 18, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 20, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 22, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 25, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 28, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 32, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 36, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 40, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 45, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 50, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 56, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 63, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 70, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 80, form A (round ends) for shafts over 22 up to 30 mm
key 8 × 7 × 90, form A (round ends) for shafts over 22 up to 30 mm
key 10 × 8 × 22, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 25, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 28, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 32, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 36, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 40, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 45, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 50, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 56, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 63, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 70, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 80, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 90, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 100, form A (round ends) for shafts over 30 up to 38 mm
key 10 × 8 × 110, form A (round ends) for shafts over 30 up to 38 mm
key 12 × 8 × 28, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 32, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 36, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 40, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 45, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 50, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 56, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 63, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 70, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 80, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 90, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 100, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 110, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 125, form A (round ends) for shafts over 38 up to 44 mm
key 12 × 8 × 140, form A (round ends) for shafts over 38 up to 44 mm
key 14 × 9 × 36, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 40, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 45, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 50, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 56, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 63, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 70, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 80, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 90, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 100, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 110, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 125, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 140, form A (round ends) for shafts over 44 up to 50 mm
key 14 × 9 × 160, form A (round ends) for shafts over 44 up to 50 mm
key 16 × 10 × 45, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 50, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 56, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 63, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 70, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 80, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 90, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 100, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 110, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 125, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 140, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 160, form A (round ends) for shafts over 50 up to 58 mm
key 16 × 10 × 180, form A (round ends) for shafts over 50 up to 58 mm
key 18 × 11 × 50, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 56, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 63, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 70, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 80, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 90, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 100, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 110, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 125, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 140, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 160, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 180, form A (round ends) for shafts over 58 up to 65 mm
key 18 × 11 × 200, form A (round ends) for shafts over 58 up to 65 mm