# Martin 4012 3/4 Coupling Hub Half for #40 Chain (1/2" Pitch) 12 Teeth 3/4" Bore Steel - MROSupply.com

***Martin 4012 3/4 roller chain coupling hub half, 12 teeth, for #40 chain (1/2" pitch), 3/4" bore, steel. 2.000" outside diameter. Mates with a second hub half and a connecting roller chain to form a complete flexible coupling for power transmission applications.***



## Product details:

- Catalog number: 4012 3/4
- SKU: 262150
- Price: ***$31.19*** 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: 0.360 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: 12
  

  
- Outside Dia: 2.000"
  

  
- Pitch: 40.000 in.
  


## Product's reviews:
- Has the parts - Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.
- Flexible coupler - Very fast and reliable shipping.
- 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.
- Works great - Works perfect and made my gokart way faster