3mm HTD Timing Belts

These 3mm pitch timing belts are constructed of neoprene and have fiberglass cords to nearly eliminate stretching.  The finer pitch, when compared to our 5mm HTD belt, means they can contour around a tighter radius and are an excellent choice for smaller builds that require precision.

Belt Calculator

Use the belt calculator below to get an idea of what size belt you need. You may need to round up to get from the ideal Belt Tooth Count to a belt that exists (you may need to use a tensioner). We do not recommend rounding down as the belt will be too tight.

For your convenience, the below image is a quick reference guide to the spacing of holes on goBILDA® channel.

Continuous Belts

Cut Lengths

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