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#40 Roller Chain Sprocket, Type B, 21 Tooth 3/4″ Bore 40B21-3/4

  • SKU: 40B21-3/4
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US Based Stock
  • 40B21-3/4
    • Bore Size: 3/4″
    • Sprocket Part Number: 40B21
    • Number of Teeth: 21
    • 1045 Medium Carbon Steel meets ANSI and MARTIN Standard
      Pitch Size: 1/2 inch
    • Number of Teeth: 21Bore Size: 3/4 Inch

$18.45

50 in stock

Datasheets

Additional information

Weight 27 oz
Dimensions 4 × 4 × 4 in
Series

Inner Diameter

Material

Size

#40
Teeth

21 Tooth
Chain Size

#40

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What they say about Summit Collars

Find reviews from our previous customers that have ordered from us to keep their machinery running smoothly.

"Super fast shipping and exactly as described! Securely packed for the long journey across the Pacific Ocean, arrived in perfect condition. Very happy with my purchase, this transaction awarded All 5 BIG Stars! Buy with confidence! Thank you and Aloha from the factory crew at Koloa Rum Company!"
★★★★★
"Summit Collars shipped the item quickly, but item was partially lost in shipping (thanks USPS). Contacted Summit Collars who immediately rectified the problem. Great communication. Awesome customer service. Highly recommend. Thanks so much."
★★★★★
"Great brand new quality product, quantity, price, shipping and packaging all really good, described well, easy transaction, works great, would purchase another. Great for many projects in the shop, very satisfied, thank you"
★★★★★
"It arrived and was packaged so great. This chain and another one that I ordered, they are packed in their own airless bags. They're also it some type of oil, in these bags that the chain is rolled up in. It got here so fast, with no special speed placed on it. Chains looks so great, they will do the job!"
★★★★★
"Love this company great products, great pricing, fast shipping, and just great customer service ! My go to place for moving parts."
★★★★★
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