# Martin 16B21 Type B Plain Bore Sprocket for 16B (ISO 606/DIN 8187) Metric Roller Chain 21 Teeth 25.4 mm Pitch Steel - MROSupply.com

***Martin 16B21 Type B plain bore sprocket for 16B (ISO 606/DIN 8187) metric roller chain, 25.4 mm pitch, 21 teeth, steel construction. Hub one side design for re-boring to custom shaft sizes. Outside diameter 186.296 mm, pitch diameter 170.421 mm. For use with 16B British Standard roller chain in metric power transmission applications.***



## Product details:

- Catalog number: 16B21
- SKU: 259607
- Price: ***$231.27*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [Type B Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/type-b-plain-bore-sprockets/)
    - [Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/)
    - [Roller Chain Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/)
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    - [Chains & Sprockets](htts://www.mrosupply.com/chains-sprockets/)
- Unit of measure: each
- Weight: 9.580 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: 186.296 mm
  

  
- Pitch: 25.400 mm
  

  
- Pitch Diameter: 170.421 mm
  


## Product's reviews:
- Service manager - on time.. great company thanks john gorth
- Nice sprocket - sprocket is very nice.
- Service - qUICK SERVICE ON THIS ORDER
- High quality - strong material