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Chain Sprockets
Bored & Keyed Sprockets
1inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701584
16B1 20T Sprocket Comes With 25mm Bore & Keyway with 2 Grubscrews (8SR20 25BK&2GS)
This 16B1 20T Sprocket is a precision-engineered chain drive component designed for 1-inch pitch roller chains. With its pre-machined 25mm bore and integral keyway, combined with two grub screws, this sprocket ensures secure and reliable shaft mounting in a wide variety of industrial applications.
Key Specifications:
- Pitch: 1 inch
- Tooth Count: 20 teeth
- Bore Diameter: 25mm (pre-machined)
- Keyway: Included
- Grub Screws: 2 fitted screws for secure shaft clamping
- Reference: 8SR20 25BK&2GS SPKT
Key Features:
- 20 teeth for optimised speed ratios in chain drive applications
- 25mm bore diameter ideal for standard shaft installations
- 1-inch pitch compatible with standard roller chains
- Integral keyway for positive drive engagement
- Two grub screws for enhanced holding power and vibration resistance
- Manufactured to precise industrial standards
- Robust construction for demanding applications
Applications:
This 20-tooth sprocket is ideal for use in:
- Conveyor systems and material handling equipment
- Agricultural machinery and farm equipment
- Industrial power transmission systems
- General drive applications requiring balanced speed and torque ratios
As a higher tooth count variant in our extensive 16B1 simplex range, this sprocket offers excellent speed reduction and torque multiplication capabilities, making it ideal for applications requiring lower shaft speeds with increased power transmission. Manufactured to exacting standards, it guarantees reliable performance and long service life in demanding industrial environments.
For assistance in selecting the correct sprocket for your specific chain drive requirements, please contact our technical sales team.

