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When a right-angle power transfer is the only option and slippage is not, engineers and makers need a gear that holds its mesh under load. This 1 modulus bevel gear set is designed for hobbyists, robotics builders, and mechanical engineers who require a reliable 90° 1:1 transmission between intersecting shafts without backlash-prone plastic alternatives.
Each gear is machined from metal and follows a standard 1-modulus tooth profile, making it compatible with any other 1M bevel gear of the same tooth count. Available in 15T, 16T, 18T, 20T, 24T, 25T, 28T, and 30T configurations, the pitch diameter ranges from approximately 15 mm to 30 mm (0.59 in to 1.18 in), with tooth heights typically in the 2.0–2.5 mm (0.08–0.10 in) range depending on the tooth count selected.
Typical applications include DC motor gearboxes requiring a 90° shaft turn, CNC router axis drives, robotic arm joints needing a compact right-angle 1:1 bevel gear pairing, and custom DIY transmission assemblies where a standard modulus gear system simplifies sourcing and replacement.
Follows the universal 1M tooth standard, ensuring interchangeability with matching bevel gears across common mechanical systems and replacement parts.
Engineered for a precise 90-degree intersecting shaft configuration, enabling clean right-angle power transfer in compact assemblies without additional adapters.
Maintains equal input and output speed — ideal for direction-change applications where speed reduction is handled elsewhere in the drivetrain.
Machined from metal for durability under continuous rotational load, resisting deformation that limits plastic gears in motor-driven applications.
Available in 15T, 16T, 18T, 20T, 24T, 25T, 28T, and 30T to match your torque, speed, and pitch diameter requirements across a range of builds.
Each listing provides a matched bevel gear pair, pre-selected for 1:1 meshing — no separate pairing calculation required for your 90° drive setup.
| Modulus | 1 |
|---|---|
| Shaft Angle | 90° |
| Transmission Ratio | 1:1 |
| Available Tooth Counts | 15T, 16T, 18T, 20T, 24T, 25T, 28T, 30T |
| Pitch Diameter Range | Approx. 15–30 mm (0.59–1.18 in) depending on tooth count |
| Tooth Height | Typically 2.0–2.5 mm (0.08–0.10 in) |
| Material | Metal |
| Bore Diameter | See variant options |
| Hub Diameter | See variant options |
| Overall Gear Width | See variant options |
| Surface Finish | See variant options |
| Package Contents | 1 matched bevel gear pair |
For a 1:1 ratio, both gears in the pair must have the same tooth count. Choose a larger tooth count (e.g., 28T or 30T) when you need a larger pitch diameter to clear shaft collars or housings. Smaller counts (15T–18T) suit compact builds where space is limited. All options share the same 1 modulus profile, so the tooth geometry is consistent across the range.
Load capacity depends on the specific metal alloy, tooth count, and operating speed. Metal construction provides significantly higher load tolerance than plastic alternatives, making these suitable for continuous motor-driven applications. For precise torque ratings, refer to your shaft speed and consult the variant specifications or contact us to confirm suitability for high-load industrial use.
Metal bevel gears of this type are generally suitable for dry or lightly lubricated indoor environments. For applications exposed to moisture, chemicals, or outdoor conditions, we recommend applying a compatible gear lubricant and confirming the alloy specification via the variant details or by contacting us before purchase.
Yes — the 1 modulus tooth profile is a standardized metric gear standard. As long as the mating gear is also 1 modulus and the same tooth count, it will mesh correctly at 90°. Verify the bore diameter and hub dimensions of both gears to ensure shaft and housing compatibility.
Bore diameter can vary between tooth count variants. Please select your specific model (e.g., 15T, 20T, 30T) above to view the bore size for that variant, or contact us to confirm before ordering if your shaft diameter is a critical constraint.
Yes. These 1 modulus 90° bevel gears are well-suited for robotics joints, servo-driven arms, automated conveyor direction changes, and CNC axis drives. The 1:1 ratio makes them ideal for direction-change stages where speed and torque pass through unchanged, keeping your drivetrain calculations straightforward.
Each listing includes a matched bevel gear pair — both gears needed for a complete 90° 1:1 mesh are included. You do not need to purchase a second gear separately to complete your drive assembly.
