# Martin TS1221BS 3/4 Steel Spur Gear 12 DP 21 Teeth 20-Degree Pressure Angle 3/4" Finished Bore - MROSupply.com

***Martin TS1221BS 3/4 steel spur gear with 12 diametral pitch, 21 teeth, and 20-degree pressure angle. Features a 3/4" finished bore with keyway and setscrews. Outside diameter is 1.917". For power transmission applications requiring 20-degree PA gears.***



## Product details:

- Catalog number: TS1221BS 3/4
- SKU: 251639
- Price: ***$101.27*** 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: 0.720 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:
- Bushing - PROMPT SHIPPING AND WELL PACKAGED. THANKS
- Solid product at a great price - Solid product, fair and super fast shipping! MROSUPPLY delivers it all!
- Service - qUICK SERVICE ON THIS ORDER
- Free freight ! - Easy to do business with