Transmissions
Chain Sprockets
Bored & Keyed Sprockets
1/2inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701004
08B1 20T Sprocket Comes With 16mm Bore & Keyway with 2 Grubscrews (4SR20 16BK&2GS)
The 08B1 20T Sprocket with 16mm Bore & Keyway is a precision-engineered power transmission component designed for reliable chain drive performance in industrial applications. Featuring 20 teeth and a pre-machined 16mm bore with integrated keyway, this robust sprocket comes complete with 2 grubscrews for secure and dependable shaft mounting, eliminating the need for additional machining work.
Product Specifications
- Tooth Count: 20 teeth
- Pitch: 1/2 inch (08B1 standard)
- Bore Diameter: 16mm pre-machined
- Keyway: Included for secure shaft alignment
- Grubscrews: 2 included for positive shaft locking
Key Features
- 20 teeth for balanced speed and torque delivery in mid-range applications
- Pre-machined bore with keyway eliminates additional machining requirements
- Dual grubscrews provide secure and reliable vibration-resistant shaft mounting
- Ready-to-install design reduces assembly time and labor costs
- Precision-engineered for optimal chain engagement and extended component longevity
Applications
This sprocket is ideal for use in:
- Conveyor systems and material handling equipment
- Packaging machinery and automation
- Agricultural equipment and implements
- General industrial power transmission drives
- Mid to high-speed chain drive applications
- Replacement parts for existing chain drive assemblies
The 20-tooth configuration offers an excellent balance of speed and torque characteristics, making this sprocket an ideal choice for applications requiring smooth, efficient power transmission. Whether you need a replacement sprocket for an existing system or are designing a new chain drive, this precision-engineered component delivers reliable performance with minimal maintenance requirements.
Reference Code: 4SR20 16BK&2GS SPKT

