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Square washers for timber, DIN 436: M10–M36 side length, hole, thickness

What are the DIN 436 square washer dimensions (side, hole, thickness) for M10 to M36? · Standard part · basis: Westfield Fasteners' DIN 436 table (d, a, s), cross-checked against fasten.it and spot checks of Kramp, Würth, Cromwell, SWG and Keller & Kalmbach listings

Also called: din 436 dimensions, square washer m12 40 mm, timber square washer m16, square washer for wood m20, din 436 m24 thickness

Exact dimensions. Every file is drawn at true size with no tolerance added. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your process's clearance before making the part. Mating features

sizes

10 in table

Notes

• Columns: thread, hole d, side length a, thickness s. Values are from the 1990 edition; the 2024 revision is paywalled and was not checked.
• Edges drawn sharp.

Square washers for timber, DIN 436: M10–M36 side length, hole… size chart

thread	d	a	s
M10	11	30	3
M12	13.5	40	4
M16	17.5	50	5
M20	22	60	5
M22	24	70	6
M24	26	80	6
M27	30	90	6
M30	33	95	6
M33	36	100	6
M36	39	110	8

Mating features

Drawn at the exact size. Open press, slide, run and socket features by your process's clearance (tolerances by process); leave designed gaps and clamp fits as drawn.

feature	exact	mates with	fit	files
hole	d (M12 13.5, M24 26)	bolt, coach screw or threaded rod of the listed thread	designed	all
bearing face	a × a (M12 40, M24 80)	timber surface	designed	all

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Westfield Fasteners	DIN 436 square plate flat washers: d1, a, h	web	Publisher's page; dimensions are facts
fasten.it	DIN 436 square washers for wood constructions (05/1990)	web	Publisher's page; dimensions are facts

Free files

★ Free files 10 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

din436-m10	DIN 436 M10: 30 × 30 × 3, hole 11	STEP · STL
din436-m12	DIN 436 M12: 40 × 40 × 4, hole 13.5	STEP · STL
din436-m16	DIN 436 M16: 50 × 50 × 5, hole 17.5	STEP · STL
din436-m20	DIN 436 M20: 60 × 60 × 5, hole 22	STEP · STL
din436-m22	DIN 436 M22: 70 × 70 × 6, hole 24	STEP · STL
din436-m24	DIN 436 M24: 80 × 80 × 6, hole 26	STEP · STL
din436-m27	DIN 436 M27: 90 × 90 × 6, hole 30	STEP · STL
din436-m30	DIN 436 M30: 95 × 95 × 6, hole 33	STEP · STL
din436-m33	DIN 436 M33: 100 × 100 × 6, hole 36	STEP · STL
din436-m36	DIN 436 M36: 110 × 110 × 8, hole 39	STEP · STL

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Plain text: sheet.txt · JSON: /api/geometry?object=square-washers-din-436

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