Harken 2640 40mm Triple Carbo BlockView all products in Harken 40 mm Carbo Air Blocks

Binnacle.com #:  H2640
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Harken 2640 40mm Triple Carbo Block

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Pair the 2640 Triple with a Harken 2648 Triple Block with 471 Carbo-Cam and Becket for a 6:1 purchase system.
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Binnacle.com:   #H2640
Brand:  Harken
MFG Part#:   2640
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Harken 2640 40mm Triple Carbo Block

It is perfect for main, jib, and spinnaker sheets on dinghies and sport boats and control lines on boats of all sizes.

High-load ball bearings/fitted races. Non-corrosive/UV resistant. Open sheave AirBlock®-type design

The 3-way U-Lock allows a change of head post direction from front to side or enables the block to swivel.

Pair the 2640 Triple with a Harken 2648 Triple Block with 471 Carbo-Cam and Becket for a 6:1 purchase system.

  • Description: Triple with swivel
  • Sheave diameter:: 1-9/16" (40mm)
  • Length: 3-11/16" (94mm)
  • Weight w/ shackle: 4.6 oz (118 g)
  • Maximum line diameter: 3/8" (10mm)
  • Shackle pin diameter: 3/16" (5mm)
  • SWL: 1,455 lb (660 kg)
  • Breaking strength: 3,050 lb (1,383 kg)
NOTE: If used with the Harken 2648 Triple Block with Carbo-Cam and Becket for a 6:1 purchase system, the Maximum Line Size is reduced to 1/4" (6mm). The Working Load is also reduced to the 2648's limit of 900 lb.  


  Harken 40mm Blocks Catalogue Pages

  Harken 40mm Carbo AirBlock Instructions
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Binnacle.com Shipping FAQ

Q. Do you offer Free Shipping?
A. We have free ground shipping via UPS or Canada Post within Canada on most orders of $99 or more (pre-tax).

Q. What do you mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on Binnacle.com qualify for the free shipping offer.
To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator

Q. Where do you ship from?
A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
When your order ships you will be emailed a tracking number which will give you the scheduled delivery date

Q. Do you offer Express Shipping?
A. We offer Express Shipping on some orders depending on the items ordered and the delivery address. If Express shipping is available for your order you will see the option on the checkout page. If you do not see the Express option and you want Express shipping please send an email and we will provide you with a quote (info@binnacle.com)

Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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