# Martin 8020 3 1/8 Coupling Hub Half for #80 Chain, 20 Teeth, 1" Pitch, 3-1/8" Bore, Steel - MROSupply.com

***Martin 8020 3 1/8 coupling hub half for #80 roller chain couplings, 20 teeth, 1" pitch, 3-1/8" finished bore, 6.590" outside diameter. Steel sprocket-style hub half mates with a corresponding half to form a complete chain coupling. For use with #80 chain.***



## Product details:

- Catalog number: 8020 3 1/8
- SKU: 265789
- Price: ***$211.97*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [Hub Halves](htts://www.mrosupply.com/shaft-couplings-and-collars/chain-couplings/components/hub-halves/)
    - [Components](htts://www.mrosupply.com/shaft-couplings-and-collars/chain-couplings/components/)
    - [Chain Couplings](htts://www.mrosupply.com/shaft-couplings-and-collars/chain-couplings/)
    - [Shaft Couplings and Collars](htts://www.mrosupply.com/shaft-couplings-and-collars/)
- Unit of measure: each
- Weight: 11.980 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: 20
  

  
- Outside Dia: 6.590"
  

  
- Pitch: 1.000 in.
  


## Product's reviews:
- Perfect - Perfect replacement part, Good purchase experience. I would use MRO again.
- Works great - Works perfect and made my gokart way faster
- Solid product at a great price - Solid product, fair and super fast shipping! MROSUPPLY delivers it all!
- 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!!!