The current industry standard, these 20° pressure angle gears have thicker, stronger teeth than 14½° pressure angle gears. They're also known as spur gears.

The current industry standard, gears with a 20° pressure angle have thicker, stronger teeth than gears with a 14½° pressure angle.

When replacing a gear, use these gauges to identify pressure angle, pitch, and module.

Install these rotary speed limiters at the hinges of small lids, doors, and access panels for smooth, quiet motion.