Mitsubishi Colt wheel bolt & nut sizes

The Mitsubishi Colt (1984 on) uses M12x1.5 wheel fixings with a 60° taper or flat seat and a 21mm hex. It has 4 per wheel, so a full set is 16. Check the table below for the exact fixing for your year and wheel type.

Last updated 2 October 2026

Thread M12x1.5
Seat 60° taper / flat
Hex size 21mm hex
Strength Class 8

Sizes by year and wheel type

Mitsubishi Colt wheel fixings by year range and wheel type.
ImageModel codeWheel typeThreadLengthSeatHex sizeFinishStrength
1984 on 4 per wheel
M12x1.5 60° taper wheel bolt for Mitsubishi Colt C50, CAO, CJO, Z30, Z3BSteel WheelsM12x1.5–60° taper21mm hexYellow ZincClass 8
M12x1.5 head Ø 18 wheel bolt for Mitsubishi Colt C50, CAO, CJO, Z30, Z3BSteel & Alloy WheelsM12x1.542mmHead Ø 1814.3mm splineZincClass 10.9
M12x1.5 flat wheel bolt for Mitsubishi Colt C50, CAO, CJO, Z30, Z3BAlloy WheelsM12x1.5–Flat21mm hexChromeClass 8

A dash in the length column means no length is listed for that fixing. Not sure which wheels you have? Steel wheels usually have a plastic trim cover over them.

Locking wheel keys for the Mitsubishi Colt

Lost or damaged your locking wheel key? Find a replacement for your Mitsubishi.

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Common questions

What size are Mitsubishi Colt wheel bolts?

Mitsubishi Colt wheel fixings are M12x1.5 with a 60° taper or flat seat and a 21mm hex.

Do steel and alloy wheels use the same bolts on a Mitsubishi Colt?

No. Steel and alloy wheels use different fixings on the Mitsubishi Colt. The table above shows which one fits each wheel type.

How many wheel bolts does a Mitsubishi Colt need?

4 per wheel, so 16 for a full set of four wheels.

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