M3–M12 Plastic Spacer Bushings Set – 31 Sizes

A complete set of 3D printable plastic spacer bushings for metric screws from M3 to M12.

Includes 31 individual STL files with different lengths and outer diameters.
Each bushing has a center hole and slightly chamfered edges for easier printing and handling.

Included Sizes

M3 bushings

Hole diameter: Ø3.2 mm
Outer diameter: Ø8 mm

• M3 5x8mm — length 5 mm, outer diameter 8 mm
• M3 8x8mm — length 8 mm, outer diameter 8 mm
• M3 10x8mm — length 10 mm, outer diameter 8 mm
• M3 15x8mm — length 15 mm, outer diameter 8 mm

M4 bushings

Hole diameter: Ø4.2 mm
Outer diameter: Ø10 mm

• M4 5x10mm — length 5 mm, outer diameter 10 mm
• M4 8x10mm — length 8 mm, outer diameter 10 mm
• M4 10x10mm — length 10 mm, outer diameter 10 mm
• M4 15x10mm — length 15 mm, outer diameter 10 mm
• M4 20x10mm — length 20 mm, outer diameter 10 mm

M5 bushings

Hole diameter: Ø5.2 mm
Outer diameter: Ø12 mm

• M5 8x12mm — length 8 mm, outer diameter 12 mm
• M5 10x12mm — length 10 mm, outer diameter 12 mm
• M5 15x12mm — length 15 mm, outer diameter 12 mm
• M5 20x12mm — length 20 mm, outer diameter 12 mm
• M5 25x12mm — length 25 mm, outer diameter 12 mm

M6 bushings

Hole diameter: Ø6.2 mm
Outer diameter: Ø14 mm

• M6 10x14mm — length 10 mm, outer diameter 14 mm
• M6 15x14mm — length 15 mm, outer diameter 14 mm
• M6 20x14mm — length 20 mm, outer diameter 14 mm
• M6 25x14mm — length 25 mm, outer diameter 14 mm
• M6 30x14mm — length 30 mm, outer diameter 14 mm

M8 bushings

Hole diameter: Ø8.2 mm
Outer diameter: Ø18 mm

• M8 10x18mm — length 10 mm, outer diameter 18 mm
• M8 15x18mm — length 15 mm, outer diameter 18 mm
• M8 20x18mm — length 20 mm, outer diameter 18 mm
• M8 25x18mm — length 25 mm, outer diameter 18 mm
• M8 30x18mm — length 30 mm, outer diameter 18 mm

M10 bushings

Hole diameter: Ø10.2 mm
Outer diameter: Ø22 mm

• M10 15x22mm — length 15 mm, outer diameter 22 mm
• M10 20x22mm — length 20 mm, outer diameter 22 mm
• M10 25x22mm — length 25 mm, outer diameter 22 mm
• M10 30x22mm — length 30 mm, outer diameter 22 mm

M12 bushings

Hole diameter: Ø12.2 mm
Outer diameter: Ø26 mm

• M12 20x26mm — length 20 mm, outer diameter 26 mm
• M12 25x26mm — length 25 mm, outer diameter 26 mm
• M12 30x26mm — length 30 mm, outer diameter 26 mm

Recommended Print Settings

Material: PLA, PETG, ABS, ASA or Nylon
Layer height: 0.16–0.24 mm
Walls: 3–4
Infill: 30–100%
Supports: Not required
Print orientation: Flat on the build plate

For stronger functional parts, use PETG, ASA or Nylon.
PLA is suitable for light-duty indoor applications.