# Martin 80BTB21 Taper-Lock Sprocket #80 Chain 1" Pitch 21 Teeth for 2517 Bushing Steel - MROSupply.com

***Martin 80BTB21 steel Taper-Lock bushed sprocket for #80 roller chain with 1" pitch and 21 teeth. 7.235" outside diameter. Requires a 2517 series Taper-Lock bushing, sold separately. Designed for heavy-duty power transmission applications.***



## Product details:

- Catalog number: 80BTB21
- SKU: 265529
- Price: ***$168.24*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [Taper-Lock TL Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/taper-lock-tl-sprockets/)
    - [Roller Chain Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/)
    - [Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/)
    - [Chains & Sprockets](htts://www.mrosupply.com/chains-sprockets/)
- Unit of measure: each
- Weight: 5.760 lb
- Technicall support: contact supplier for technical support on 323-728-8117


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Material: Steel
  

  
- Number Of Teeth: 21
  

  
- Outside Dia: 7.235"
  

  
- Pitch: 1.000 in.
  

## Suggested products:
- [Martin 80A13 Type A Plain Bore roller chain sprocket for #80 chain with 1" pitch, 13 teeth, and 4.657" outside diameter. Flat plate design with no hub, manufactured from steel for light-duty applications.](https://www.mrosupply.com/products/264774/as-markdown/)
- [Martin 80A10 Type A plain bore roller chain sprocket for #80 chain, 1" pitch, 10 teeth, 3.678" outside diameter, steel. Flat plate design with no hub, suitable for light-duty power transmission applications where re-boring is not required.](https://www.mrosupply.com/products/264770/as-markdown/)
- [Martin 80BTB21 steel Taper-Lock bushed sprocket for #80 roller chain with 1" pitch and 21 teeth. 7.235" outside diameter. Requires a 2517 series Taper-Lock bushing, sold separately. Designed for heavy-duty power transmission applications.](https://www.mrosupply.com/products/265529/as-markdown/)
- [Martin 80A112 Type A plain bore roller chain sprocket for #80 chain with 1" pitch, 112 teeth, and 36.241" outside diameter. Flat plate design with no hub, manufactured from steel for lightweight applications. Suitable for use with ANSI #80 roller chain in industrial power transmission and conveyor systems.](https://www.mrosupply.com/products/264772/as-markdown/)
- [Martin 80A12 Type A plain bore roller chain sprocket for #80 chain, 1" pitch, 12 teeth, steel, 4.332" outside diameter. Flat plate design with no hub for light-duty applications. Manufactured from durable steel for reliable performance in power transmission systems.](https://www.mrosupply.com/products/264773/as-markdown/)

## Product's reviews:
- Good stock - I was pleased with the help of customer service to answer my questions concerning inventory and how quickly I received my product. Thank you.
- Bushing - PROMPT SHIPPING AND WELL PACKAGED. THANKS
- Nice sprocket - sprocket is very nice.
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!