# Martin 08B30 Metric B-Hub Plain Bore Sprocket 08B Chain 30 Teeth 12.7 mm Pitch Steel - MROSupply.com

***Martin 08B30 Metric B-Hub plain bore roller chain sprocket for 08B (ISO 606/DIN 8187 metric) chain, 12.7 mm pitch, 30 teeth, steel construction. Hub on one side for re-boring. 128.864 mm outside diameter, 121.498 mm pitch diameter.***



## Product details:

- Catalog number: 08B30
- SKU: 258309
- Price: ***$104.90*** 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/)
    - [Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/)
    - [Chains & Sprockets](htts://www.mrosupply.com/chains-sprockets/)
- Unit of measure: each
- Weight: 2.990 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: 30
  

  
- Outside Dia: 128.864 mm
  

  
- Pitch: 12.700 mm
  

  
- Pitch Diameter: 121.498 mm
  


## Product's reviews:
- Bushing - PROMPT SHIPPING AND WELL PACKAGED. THANKS
- 21 tooth 12 dp spur gear - The 21 tooth 12 DP gear I bought arrived very quickly.
It was exactly what I needed to fix my RV slide out.
I had to machine it to fit, but I knew that when I ordered it.
VERY SATISFIED!!!
- Great service - Very quick service part was exactly what I needed to get my skid steer going again great product and I will definitely use this business again
- Durable and high quality - I bought a second one to keep as a spare, but the first one still hasn’t shown any signs of wear. Seems like a quality part.