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Square thin nuts, DIN 562: M1.6–M10 width across flats and height

What are the DIN 562 thin square nut dimensions, for example the M3 or M5 width and height? · Standard part · basis: fasten.it's DIN 562 table (05/2013 edition), cross-checked against JC Fasteners' DIN 562 sheet and CDE Fasteners' DIN 562 data

Also called: din 562 dimensions, m3 square nut 5.5 mm, m4 thin square nut size, m5 square nut 8 mm, square nut for 2020 extrusion, din 562 m6 height

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 d, width across flats s (max = nominal), height m (max = nominal). The 2013 edition gives s = 16 for M10 (the 1987 edition had 17).
  • Files: square block with the thread as a plain bore at the major diameter, as for the other nuts on Xem. Real nuts may have slightly broken corners (e min is about 1.26 s).

Square thin nuts, DIN 562: M1.6–M10 width across flats and height size chart

threadsm
M1.63.21.0
M241.2
M2.551.6
M35.51.8
M3.562.0
M472.2
M582.7
M6103.2
M8134.0
M10165.0

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.

featureexactmates withfitfiles
square bodys × s × m: 3.2 × 3.2 × 1 (M1.6) to 16 × 16 × 5 (M10); M3 5.5 × 1.8nut-trap pocket or slot of the same sizesocketall
thread (plain bore at the major Ø)d: M1.6 to M10screw of the same threaddesignedall

Where the files are

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

fasten.itDIN 562 square thin nuts (05/2013): s, m, ewebPublisher's page; dimensions are facts
CDE FastenersDIN 562 square thin nuts: width across flats and thicknesswebPublisher'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

din562-m1p6DIN 562 M1.6: 3.2 square × 1.0, thread as Ø1.6 boreSTEP · STL
din562-m2DIN 562 M2: 4 square × 1.2, thread as Ø2 boreSTEP · STL
din562-m2p5DIN 562 M2.5: 5 square × 1.6, thread as Ø2.5 boreSTEP · STL
din562-m3DIN 562 M3: 5.5 square × 1.8, thread as Ø3 boreSTEP · STL
din562-m3p5DIN 562 M3.5: 6 square × 2.0, thread as Ø3.5 boreSTEP · STL
din562-m4DIN 562 M4: 7 square × 2.2, thread as Ø4 boreSTEP · STL
din562-m5DIN 562 M5: 8 square × 2.7, thread as Ø5 boreSTEP · STL
din562-m6DIN 562 M6: 10 square × 3.2, thread as Ø6 boreSTEP · STL
din562-m8DIN 562 M8: 13 square × 4.0, thread as Ø8 boreSTEP · STL
din562-m10DIN 562 M10: 16 square × 5.0, thread as Ø10 boreSTEP · STL
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Plain text: sheet.txt · JSON: /api/geometry?object=square-thin-nuts-din-562

Square thin nuts, DIN 562: M1.6–M10 width across flats and height, isometric render of a generated part
Render of din562-m4 from the free STEP; not to scale.

Fits with

Questions

How big is an M3 thin square nut?

DIN 562 M3: 5.5 mm square, 1.8 mm thick.

What size nut trap fits an M10 DIN 562 square nut?

The nut is 16 mm square and 5 mm thick; draw the pocket at 16 × 16 × 5 and add your process allowance.