# Martin 40H21H Taper-Lock Sprocket #40 Chain 1/2" Pitch 21 Teeth 3.617" OD MST H Bushing Steel - MROSupply.com

***Martin 40H21H Taper-Lock Sprocket for #40 roller chain with 1/2" pitch, 21 teeth, and 3.617" outside diameter. Steel construction with Martin Split Taper (MST) H bushing for secure shaft mounting. Designed for reliable power transmission in industrial drive systems.***



## Product details:

- Catalog number: 40H21H
- SKU: 262038
- Price: ***$78.42*** 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: 0.970 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: 3.617"
  

  
- Pitch: 0.500 in.
  


## Product's reviews:
- Nice sprocket - sprocket is very nice.
- Martin flex sleeve - Great inventory easy to use website,had exactly what I needed,up and running,would use them again without a doubt, thank you!
- Service manager - on time.. great company thanks john gorth
- Has the parts - Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.