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Chain Sprockets
Bored & Keyed Sprockets
3/8inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701429
06B1 21T Sprocket Comes With 20mm Bore & Keyway with 2 Grubscrews (3SR21 20BK&2GS)
The 06B1 21T Sprocket with 20mm Bore & Keyway is a precision-engineered component designed for reliable power transmission in chain drive systems. This sprocket comes pre-fitted with a keyway and two grubscrews, ensuring secure and straightforward shaft mounting without additional machining requirements.
Key Specifications:
- Tooth Count: 21 teeth
- Pitch: 3/8 inch
- Bore Size: 20mm
- Keyway: Pre-machined
- Grubscrews: 2 included for secure fastening
- Reference: 3SR21 20BK&2GS SPKT
Applications:
This versatile sprocket is ideal for use in:
- Conveyor systems
- Packaging machinery
- Agricultural equipment
- Industrial drive systems
- General power transmission applications
The ready-to-fit design minimizes installation time, making it an excellent choice for maintenance and replacement applications. As part of our extensive 06B1 series range, this sprocket delivers consistent performance and reliability across diverse industrial applications.
Need assistance selecting the right sprocket for your application? Our technical sales team is available to provide expert guidance and support.

