# Martin S1221 Steel Spur Gear 12 DP 21 Teeth 14.5° Pressure Angle 1.917" OD - MROSupply.com

***Martin S1221 steel spur gear with 12 diametral pitch, 21 teeth, and 14.5-degree pressure angle. 1.917" outside diameter. Plain bore design for custom machining to required shaft size. Suitable for power transmission applications requiring precise gear meshing and interchange with other 14.5° PA spur gears.***



## Product details:

- Catalog number: S1221
- SKU: 251157
- Price: ***$82.06*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [External Tooth Spur Gears](htts://www.mrosupply.com/gears-gear-racks/gears/spur-gears/external-tooth-spur-gears/)
    - [Spur Gears](htts://www.mrosupply.com/gears-gear-racks/gears/spur-gears/)
    - [Gears](htts://www.mrosupply.com/gears-gear-racks/gears/)
    - [Gears & Gear Racks](htts://www.mrosupply.com/gears-gear-racks/)
- Unit of measure: each
- Weight: 0.640 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: 1.917"
  


## Product's reviews:
- 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!!!
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!
- Met all expectations - Met all expectations for availability, price, delivery, ease of online store use, and efficient online store.
- Solid product at a great price - Solid product, fair and super fast shipping! MROSUPPLY delivers it all!