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Bored & Keyed Sprockets
1/2inch Pitch Bored & Keyed Sprockets
Quick Code: BB-700906
08B1 12T Sprocket Comes With 22mm Bore & Keyway with 2 Grubscrews (4SR12 22BK&2GS)
Available on back order - there is an increased lead time on this item. Please contact us for availability.
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Product Specification
Bore
22mm
Number of Teeth
12
Pitch
1/2inch
Reference
4SR12 22BK&2GS SPKT
Quick Order Code
BB-700906
Product Description
The 08B1 12T Sprocket with 22mm Bore & Keyway is a precision-engineered power transmission component designed for applications requiring compact, high-speed drive configurations. This bored and keyed sprocket features a 12-tooth design with a 1/2 inch pitch, making it ideal for use where smaller sprockets are needed to achieve increased rotational speeds.
Key Features:
- 12 Teeth: Compact tooth count suitable for high-speed applications
- 22mm Pre-Machined Bore: Ready-to-install bore eliminates the need for additional machining
- Integral Keyway: Ensures positive drive engagement and prevents shaft slippage
- Dual Grubscrews: Provides secure and reliable shaft mounting with redundant fastening
- 1/2 Inch (08B1) Pitch: Compatible with standard 1/2 inch pitch roller chains
Applications:
This sprocket is ideal for use in:
- Conveyor systems requiring adjustable speed ratios
- Packaging machinery and automation equipment
- Agricultural equipment and farm machinery
- General industrial power transmission systems
- Any application requiring increased chain speed with compact design
Reference: 4SR12 22BK&2GS SPKT
As part of our extensive range of over 165 bored and keyed sprockets, this component delivers the precision and reliability needed for demanding industrial applications. Our technical team is available to assist with application-specific recommendations.

