# Martin 40A18 Type A Plain Bore Sprocket #40 Chain 18 Teeth 1/2" Pitch 3.136" OD Steel - MROSupply.com

***Martin 40A18 Type A plain bore roller chain sprocket for #40 chain (1/2" pitch), 18 teeth, 3.136" outside diameter. Flat plate design with no hub, steel construction. Suitable for applications where a lightweight, economical sprocket is needed and re-boring is not required.***



## Product details:

- Catalog number: 40A18
- SKU: 261218
- Price: ***$26.06*** 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 A Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/type-a-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: 0.420 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: 18
  

  
- Outside Dia: 3.136"
  

  
- Pitch: 0.500 in.
  

## Suggested products:
- [Martin 40A18 Type A plain bore roller chain sprocket for #40 chain (1/2" pitch), 18 teeth, 3.136" outside diameter. Flat plate design with no hub, steel construction. Suitable for applications where a lightweight, economical sprocket is needed and re-boring is not required.](https://www.mrosupply.com/products/261218/as-markdown/)
- [Martin 40A14 Type A plain bore roller chain sprocket for #40 chain (1/2" pitch) with 14 teeth. Flat plate design with no hub, made of steel. Outside diameter: 2.491". Compatible with ANSI B29.1 standard chain.](https://www.mrosupply.com/products/261214/as-markdown/)
- [Martin 40A112 Type A plain bore roller chain sprocket for #40 chain, 1/2" pitch, 112 teeth, 18.121" outside diameter. Flat plate design with no hub, steel construction. Suitable for applications requiring a lightweight, compact sprocket where hub projection is not needed.](https://www.mrosupply.com/products/261211/as-markdown/)
- [Renold Jeffrey 40-1R PREMIUM ROLLER CHAIN 10 RIVETED](https://www.mrosupply.com/products/2182855/as-markdown/)
- [Martin 40A12 Type A plain bore roller chain sprocket for #40 chain, 1/2" pitch, 12 teeth, 2.166" outside diameter. Flat plate design with no hub, steel construction. Suitable for light-duty applications where a simple, economical sprocket is required.](https://www.mrosupply.com/products/261212/as-markdown/)

## Product's reviews:
- Service manager - on time.. great company thanks john gorth
- Sprocket lm - Good quality product, arrived on time, will continue to buy from this company
- Martin c5-20t-19-09 - Quality product. Fast 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.