Helical & Double Helical
Single, double helical, and herringbone gears for smooth, quiet, high-load meshing in demanding drivetrains.
The angled teeth of helical gears engage gradually, delivering smoother, quieter operation and higher load capacity than spur gears. We manufacture single helical, double helical, and herringbone gears — including large-diameter sets — with the tight lead and profile control that heavy drivetrains require.
Key features
- Single helical, double helical, and herringbone configurations
- Right- and left-hand helix angles to your specification
- Large-diameter capability with tight lead and profile control
- Cut, heat treated, and inspected under one roof
- Matched sets and replacements built to print
Typical applications
How helical & double helical stack up
Toggle gear types to compare geometry, efficiency, and load characteristics side by side and find the right fit for your drivetrain.
| Specification | Spur GearsView details | Helical & Double HelicalYou're viewing this | Bevel GearsView details |
|---|---|---|---|
| Tooth geometry | Straight-cut teeth | Angled / herringbone | Conical — spiral/straight |
| Shaft arrangement | Parallel | Parallel | Right-angle / intersecting |
| Ratio per stage | Up to 8:1 | Up to 10:1 | Up to 10:1 |
| Efficiency | 98–99% | 96–98% | 97–99% |
| Load capacity | High | Very high | High |
| Running smoothness | Moderate | High — quiet | Moderate–high |
| Self-locking | No | No | No |
| Max size | 160 in | Large-dia. | Matched pairs |
Spur Gears
Precision straight-tooth spur gears cut to AGMA 11 in diameters up to 160 inches — the workhorse of heavy power transmission.
Bevel Gears
Spiral, straight, and skew bevel gears for reliable right-angle and intersecting-shaft power transmission.
Worm Gears
Worm and worm-wheel sets for high reduction ratios, compact drives, and self-locking motion control.