Parallel keys DIN 6885 form A: 2 × 2 to 18 × 11, with keyway depths — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/parallel-keys-din-6885/  (CC BY 4.0)
Basis: DIN 6885-1 parallel keys and keyways: key b × h by shaft diameter, shaft keyway depth t1, hub keyway depth t2, standard lengths
Catalog version: 2026-10-20

Sizes: see table below
- Form A: both ends round (radius b/2), for end-milled keyways. Keyway width = b; cut t1 into the shaft and t2 into the hub.

shaft_mm  key_b_x_h  shaft_depth_t1  hub_depth_t2  lengths_mm
6–8  2 × 2  1.2  1.0  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  3.0  2.3  10–56
17–22  6 × 6  3.5  2.8  14–70
22–30  8 × 7  4.0  3.3  18–90
30–38  10 × 8  5.0  3.3  22–110
38–44  12 × 8  5.0  3.3  28–140
44–50  14 × 9  5.5  3.8  36–160
50–58  16 × 10  6.0  4.3  45–180
58–65  18 × 11  7.0  4.4  50–200

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- DIN: DIN 6885-1 Drive type fastenings without taper action; parallel keys, keyways, deep pattern — standard — DIN; dimensions are facts [verify license at link] — https://www.din.de/en

Free files (CC BY 4.0, Xem Studio; STEP + STL, 150 parts): https://xemstudio.com/files/hardware/parallel-keys-din-6885/index.json
API: https://xemstudio.com/api/geometry?object=parallel-keys-din-6885