10 Metric Washers M3–M20 – FDM Optimized
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A set of 10 standard-size metric washers, from M3 to M20, designed for easy and reliable FDM 3D printing.
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Standard Digital File License
A collection of 10 standard metric washer sizes, ranging from M3 to M20, optimized for practical and dependable FDM 3D printing.
You will find each washer size as an individual profile, along with an additional All Sizes profile containing the complete set. This makes it easy to print only the size you need or produce the whole collection at once.
Washer sizes
M3 — 7 mm outer diameter / 3.5 mm inner diameter / 0.6 mm thickness
M4 — 9 mm / 4.6 mm / 0.8 mm
M5 — 10 mm / 5.6 mm / 1.0 mm
M6 — 12 mm / 6.7 mm / 1.6 mm
M8 — 16 mm / 8.7 mm / 1.6 mm
M10 — 20 mm / 10.8 mm / 2.0 mm
M12 — 24 mm / 13.3 mm / 2.4 mm
M14 — 28 mm / 15.3 mm / 2.4 mm
M16 — 30 mm / 17.3 mm / 3.0 mm
M20 — 37 mm / 21.3 mm / 3.0 mm
Optimized for FDM
The washer dimensions follow commonly used metric standards, while the inner diameters include an additional 0.3 mm of clearance to account for the tolerances typically found in FDM printing.
Washer thicknesses are also selected in 0.20 mm layer-height increments, keeping the different sizes consistent when printed using a 0.20 mm profile.
Recommended printing settings
Layer height: 0.20 mm
FDM printing
No supports needed
Print directly on the build plate
Compatible with PLA, PETG and similar filaments
Print an individual profile if you only need a particular washer size, or use All Sizes to produce the complete M3–M20 set.
These washers can be useful for DIY projects, repairs, prototypes, furniture assembly, hardware applications and general workshop tasks.