Thick washers, DIN 7349: M3–M30 bore, outside diameter, thickness — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/thick-washers-din-7349/  (sheet CC BY 4.0)
Basis: KIPP K1968 DIN 7349 table (D1, D2, H), cross-checked against norelem 07305-05 and Würth / Kramp DIN 7349 listings
Catalog version: 2026-10-20

Sizes: see table below
- Columns: thread, bore d1, outside diameter d2, thickness s. KIPP and norelem list identical values (e.g. M8: 8.4 × 21 × 4).
- Used under bolts with heavy-duty spring pins (DIN 1481). M18 is not drawn here.

thread  d1  d2  s
M3  3.2  9  1
M4  4.3  12  1.6
M5  5.3  15  2
M6  6.4  17  3
M8  8.4  21  4
M10  10.5  25  4
M12  13  30  6
M14  15  36  6
M16  17  40  6
M20  21  44  8
M22  23  50  8
M24  25  50  10
M27  28  60  10
M30  31  68  10

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- KIPP (via Marek): K1968 washers DIN 7349: D1, D2, H — web — Publisher's page; dimensions are facts — https://www.marek.eu/data/katalogove-listy/kipp/K1968.pdf
- norelem (via Marek): 07305-05 washers DIN 7349 — web — Publisher's page; dimensions are facts — https://www.marek.eu/data/katalogove-listy/norelem/07305-05.pdf

Free files (CC BY 4.0, Xem Studio; STEP + STL, 14 parts): https://xemstudio.com/files/hardware/thick-washers-din-7349/index.json
API: https://xemstudio.com/api/geometry?object=thick-washers-din-7349