Allen Brothers 25mm x 8mm Aluminium Sheave Box – Medium
Availability: Please contact us to confirm availability or discuss item replacements. Please note that certain products may have an estimated arrival time of 30 days and are not available for expedited shipping.
Shipping and Delivery
Free shipping for orders of $98 or more (US Continental)
- Free shipping for orders of $750 or more (International)
- Add 3 business days to the standard shipping time for USPS deliveries.
- UPS and FedEx Ground usually take 2 to 5 business days for in-stock orders.
- UPS and FedEx deliver on Saturdays only for Friday overnight shipments, which may incur an extra
charge. - Orders that apply for free shipping will be delivered between 8 and 10 business days.
- International customers will be responsible for any applicable import duties,fees, or taxes.
- Oversized items like whisker poles, spinnaker poles, and tracks over 7 feet require freight shipping, with an estimated cost of $500 depending on the destination.These orders must be delivered to a
commercial address, such as a marina, yacht club, or boatyard where your sailboat is located.
A recipient must be present to sign for the delivery upon arrival,For more info, Click Here.
Allen Brothers 25mm x 8mm Aluminium Sheave Box – Medium
Allen Brothers 25mm x 8mm Aluminium Sheave Box – Medium
Aluminium Sheave Box – Medium
Aluminium body sheave box with a choice of three sheaves.
With an easy to remove axle pin, sheaves can be maintained or swapped very simply. The axle pin is held in place by the surface the box is mounted to.
Ideal for installation into sailboat masts, but also suitable for use in the deck of a boat or any other surface which requires rope or wire to be passed through.
Key Features:
Durable Construction: The body is made from forged aluminium for long-lasting performance.
Various Sheave Options: A choice of three sheave materials and bearing options to suit your specific application.
Versatile Compatibility: Suitable for a wide range of mast sizes and applications.
Sheave Options:
Acetal Plain Bearing: The lightweight, low-maintenance option. Suitable for maximum working loads up to 300Kg. Can be used with rope and wire.
Stainless Steel Dynamic: The lowest friction for maximum performance option. Suitable for maximum working loads up to 300Kg. Ideal for fast running systems. Can be used with rope and wire.
Aluminium Plain Bearing: Suitable for maximum working loads up to 300kg. Can be used with rope and wire. Ideal for highly statically loaded applications.
Technical Description
| Sheave Width mm | 8 |
| Sheave Diameter mm | 25 |
| Sheave Material | Acetal |
| Slot Size mm | 44 x 13 |
| Fixing Hole Centres mm | 57 |
| Fixing Hole Diameter mm | 4 |
| Maximum Working Load Kg | 300 |
| Breaking Load Kg | 670 |
| Length mm | 69 |
| Line Diameter mm | 3 - 6 |
| Overall Length mm | 66 |
| Weight g | 21 |
