2pcs 1M Spur Gear 10T/12T/14T SC45 Carbon Steel Motor Gear
2pcs 1M Spur Gear 10T/12T/14T SC45 Carbon Steel Motor Gear
2-Pack Module 1M Spur Gears – SC45 Carbon Steel Transmission Accessories
Upgrade your mechanical builds with these precision-hobbed Module 1M Spur Gears. Sold as a pack of 2, these standard-profile gears are machined from SC45 carbon steel with a blackening surface treatment for durability and corrosion resistance. Available in 10T, 12T, and 14T tooth counts with multiple bore sizes to suit a wide range of motors and drive shafts — perfect for robotics, CNC machines, DIY automation, and general mechanical assemblies.
Made in Mainland China.
Key Specifications
- Module: 1M (Module 1)
- Teeth Options: 10T / 12T / 14T
- Material: SC45 Carbon Steel
- Surface Treatment: Blackening
- Gear Total Height: 18 mm
- Teeth Height: 12 mm
- Pressure Angle: 30°
- Tooth Profile: Spur Gear
- Direction: Right Hand
- Processing: Hobbing
- Inner Bore Sizes: 4 / 5 / 6 / 6.35 / 7 mm
- Standard: Standard Profile
- Pack Quantity: 2 pieces
Why Choose These Spur Gears?
- ✅ Precision Hobbed – Consistent tooth geometry for smooth, reliable power transmission
- ✅ SC45 Carbon Steel – High-strength material suited for demanding mechanical applications
- ✅ Multiple Bore Options – 4, 5, 6, 6.35, and 7 mm bores cover a wide range of motor shafts
- ✅ Blackening Finish – Provides a layer of surface protection and a clean, professional look
- ✅ Standard Module – Fully interchangeable with other 1M standard spur gears
- ✅ Value Pack – Comes as a set of 2 gears per order
Ideal Applications
These Module 1M carbon steel spur gears are widely used in:
- Robotics and automation systems
- CNC machine drives and stepper motor assemblies
- DIY mechanical projects and prototyping
- RC vehicles, drones, and model engineering
- Industrial transmission components and gearbox assemblies
Please Note: As a carbon steel product, minor surface oxidation may occasionally be present. This is a natural characteristic of the material and does not affect the gear's function or performance.
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Frequently Asked Questions
Q: What bore sizes are available for these 1M spur gears?
A: These module 1M spur gears are available with inner bore sizes of 4 mm, 5 mm, 6 mm, 6.35 mm, and 7 mm, making them compatible with a wide variety of motor and drive shafts used in robotics, CNC, and DIY mechanical projects.
Q: Are these spur gears compatible with other standard module 1M gears?
A: Yes. These are standard Module 1M spur gears with a right-hand direction and a 30° pressure angle. They are fully interchangeable with other standard 1M gears, making them easy to integrate into existing assemblies or paired gear systems.
Q: Why is there surface oxidation on the gear, and does it affect performance?
A: SC45 carbon steel is susceptible to minor surface oxidation (light rust) during storage or shipping. This is a natural characteristic of the material and does not affect the structural integrity, tooth geometry, or mechanical performance of the gear. A light cleaning or application of machine oil will address any surface oxidation before use.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.