Extruded aluminum track has become a popular addition on machine tables and fences because of its versatility — a variety of accessories like hold downs, stop blocks, and guides can be attached with simple T-bolts.
Incra takes the track to another level. Their fence system gives you precise and repeatable positioning by eliminating one source of human error: lining up stop blocks with a scale. Rather than depend on your eye, they incorporate a 32TPI rack in their track and stop block for measurement-free positioning.
The rack system allows you to position their stop repeatably within 1/1000″ of an inch, but you’re not limited to just 1/32″ steps. You can adjust the stop anywhere between to teeth with a micro-positioning screw.
The fence track comes in 18″, 36″, and 52″ lengths. With five different T-slots and other mounting holes, you can mount the fence to almost any table. If you work in Metric, you can also buy the track and stop with a tooth spacing of 1mm rather than 1/32″.
Here’s the downside: This system is a bit pricey compared to other track systems. An 18″ section of track with stop will run you $53. The 36″ and 52″ sections with stops cost $73 and $83, respectively.