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Chain Sprockets
Bored & Keyed Sprockets
1/2inch Pitch Bored & Keyed Sprockets
Quick Code: BB-700910
08B1 12T Sprocket Comes With 19mm Bore & Keyway with 2 Grubscrews (4SR12 19BK&2GS)
The 08B1 12T Sprocket with 19mm Bore & Keyway is a precision-engineered chain sprocket designed for 1/2 inch pitch chain drive systems. This compact 12-tooth sprocket comes pre-machined and ready for installation, featuring a 19mm bore with integrated keyway and dual grubscrews for secure, reliable shaft mounting.
Key Features:
- 12 teeth for optimal speed ratios in compact applications
- 1/2 inch (08B1) pitch specification
- 19mm pre-machined bore with keyway
- Dual grubscrews for secure fastening and shaft engagement
- No additional machining required – ready to install
- Precision-engineered for consistent performance
Ideal Applications:
This sprocket is perfect for power transmission systems requiring smaller tooth counts and is commonly used in:
- Conveyor systems
- Packaging machinery
- Agricultural equipment
- General industrial chain drive applications
- Equipment requiring higher speed ratios
Reference: 4SR12 19BK&2GS SPKT
Whether you need a replacement sprocket for existing equipment or are designing a new chain drive system, this sprocket delivers the reliability and precision required for demanding industrial applications. Our technical team is available to assist with specification selection for your specific drive requirements.

