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21 Tooth Roller Chain Sprocket B Type
25th Jun 2026, 04:11 PM

21 Tooth Roller Chain Sprocket B Type Hardened Teeth, 25 Chain Sigle Strand 1 /4-Inch Pitch, 14mm Bore Black Oxide C45 Carbon Steel, Keyway with Fasten Screws for 04C Chain

Price may vary by location, shipping cost, and availability.
83% Off
$5.99
$35.99

Highest: $10.99
Average: $6.50
Lowest: $4.79

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Based our analysis and observation, there is 0.00% chance that the price of 21 Tooth Roller Chain Sprocket B Type... will increase. Price of product might fluctuate around 3% from current price.*

Price History Graph

Offer Price Prices
Lowest: -
Average: -
Highest: -

Price History Information

You can check the price history of 21 Tooth Roller Chain Sprocket B Type Hardened Teeth, 25 Chain Sigle Strand 1 /4-Inch Pitch, 14mm Bore Black Oxide C45 Carbon Steel, Keyway with Fasten Screws for 04C Chain here. This product's current Price in USA is $5.99. The average and highest prices are $6.50 and $10.99 respectively.

Lowest Ever Price $4.79
19th Oct 2025
Average Price $6.50
Based on 1009 days price tracking
Highest Price $10.99
18th Jan 2024

Price History of All Variants of 21 Tooth Roller Chain Sprocket B Type...

Current Price in USA

Price $5.99
MRP $35.99
Savings $30.00
Discount 83.35%

Recent Price Drops on 21 Tooth Roller Chain Sprocket B Type Hardened Teeth, 25 Chain Sigle Strand 1 /4-Inch Pitch, 14mm Bore Black Oxide C45 Carbon Steel, Keyway with Fasten Screws for 04C Chain

Price Drop 18th Oct 2025
$5.99 $4.79
20.03% drop
Price Drop 24th Jun 2025
$8.89 $5.99
32.62% drop
Price Drop 22nd Mar 2025
$10.99 $5.99
45.5% drop
Price Drop 21st Feb 2025
$10.99 $5.99
45.5% drop
Price Drop 30th Dec 2024
$8.89 $5.99
32.62% drop
Price Drop 10th Feb 2024
$10.99 $8.89
19.11% drop
Price Drop 2nd Oct 2023
$9.99 $9.29
7.01% drop

Product Information

Details

Product Name 21 Tooth Roller Chain Sprocket B Type Hardened Teeth, 25 Chain Sigle Strand 1 /4-Inch Pitch, 14mm Bore Black Oxide C45 Carbon Steel, Keyway with Fasten Screws for 04C Chain
Store Product Code B0C714XHZB
Store Name amazon.com
Rating 8.2 / 10
Category Roller Chain Sprockets
Product Manufacturer FOCMKEAS
Model Number 21T/14(5x2.3)mm keyway

Features

  • Size&Package1/4" pitch, 21 teeth, 14mm round bore with 5x2.3mm keyway, more size refer to pics. Package include:1 x Chain Sprocket, 2 x Set Screws.
  • MaterialMade by c45 carbon steel, the tooth part high frequency quenching heat treatment, high hardness, wear resistance, long service life, easy to use. Fully black oxide coated, corrosion resistance.
  • FeatureSingle strand sprocket with one set of teeth around the circumference for applications where a single chain can support the torque and load.
  • Type BType B sprocket with a hub project on one side to accommodate various types of bushings to help prevent sprocket from slipping on the shaft.
  • ApplicationWidely used in various industrial scenarios, suitable for power transmission in harsh environments.such as milling machine, drilling machine or other machinery transmission occasions.

Images

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Image of 21 Tooth Roller Chain Sprocket B Type Hardened Teeth, 25 Chain Sigle Strand 1 /4-Inch Pitch, 14mm Bore Black Oxide C45 Carbon Steel, Keyway with Fasten Screws for 04C Chain
Image of 21 Tooth Roller Chain Sprocket B Type Hardened Teeth, 25 Chain Sigle Strand 1 /4-Inch Pitch, 14mm Bore Black Oxide C45 Carbon Steel, Keyway with Fasten Screws for 04C Chain
Image of 21 Tooth Roller Chain Sprocket B Type Hardened Teeth, 25 Chain Sigle Strand 1 /4-Inch Pitch, 14mm Bore Black Oxide C45 Carbon Steel, Keyway with Fasten Screws for 04C Chain
Image of 21 Tooth Roller Chain Sprocket B Type Hardened Teeth, 25 Chain Sigle Strand 1 /4-Inch Pitch, 14mm Bore Black Oxide C45 Carbon Steel, Keyway with Fasten Screws for 04C Chain
Image of 21 Tooth Roller Chain Sprocket B Type Hardened Teeth, 25 Chain Sigle Strand 1 /4-Inch Pitch, 14mm Bore Black Oxide C45 Carbon Steel, Keyway with Fasten Screws for 04C Chain
Image of 21 Tooth Roller Chain Sprocket B Type Hardened Teeth, 25 Chain Sigle Strand 1 /4-Inch Pitch, 14mm Bore Black Oxide C45 Carbon Steel, Keyway with Fasten Screws for 04C Chain

Rating and Reviews

8.2 Based on 25 reviews

21 Tooth Roller Chain Sprocket B Type has 8.2 rating out of 10. This average rating is consist of 25 individual ratings. You can rate this product at product review page.

* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.