Allen Brothers 25mm X 8mm Alloy Sheave Box
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.
Pickup available at 1830 East Interstate 30
Usually ready in 24 hours
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 Alloy Sheave Box
Aluminium Sheave Box - Medium
Designed for routing rope or wire through masts, decks, and other structures, this Medium Aluminium Sheave Box features a durable forged aluminium body and a removable axle pin, allowing for quick maintenance or easy sheave replacement. The axle pin is securely retained by the mounting surface for a simple and reliable installation.
Ideal for sailboat masts and a wide range of marine and industrial applications, the sheave box is available with multiple sheave options to suit different performance requirements.
Key Features:
- Forged aluminium body for strength and durability
- Removable axle pin for easy maintenance and sheave changes
- Suitable for rope and wire applications
- Ideal for sailboat masts, decks, and other installations
- Choice of sheave materials and bearing types
- Maximum working load up to 300kg (depending on sheave option)
Sheave Options:
- Acetal Plain Bearing: Lightweight, low-maintenance option suitable for rope and wire applications.
- Stainless Steel Dynamic: Features patented Dynamic Bearing Technology for exceptionally low friction and smooth operation, ideal for fast-running systems.
- Aluminium Plain Bearing: Robust option suited to highly statically loaded applications while maintaining compatibility with rope and wire.
Technical Description
| Breaking Load | 670 kg |
| Fixing Hole Diameter | 4 mm |
| Height | 30 mm |
| Hole Pitch | 57 mm |
| Length | 66 mm |
| Maximum Line Diameter | 7 mm |
| Maximum Working Load | 300 kg |
| Sheave Diameter | 25 mm |
| Sheave Material | Acetal |
| Sheave width | 8 mm |
| Slot Size | 44 x 13 |
| Width | 12 mm |
| Weight | 32 g |
Aluminium Sheave Box - Medium
Designed for routing rope or wire through masts, decks, and other structures, this Medium Aluminium Sheave Box features a durable forged aluminium body and a removable axle pin, allowing for quick maintenance or easy sheave replacement. The axle pin is securely retained by the mounting surface for a simple and reliable installation.
Ideal for sailboat masts and a wide range of marine and industrial applications, the sheave box is available with multiple sheave options to suit different performance requirements.
Key Features:
- Forged aluminium body for strength and durability
- Removable axle pin for easy maintenance and sheave changes
- Suitable for rope and wire applications
- Ideal for sailboat masts, decks, and other installations
- Choice of sheave materials and bearing types
- Maximum working load up to 300kg (depending on sheave option)
Sheave Options:
- Acetal Plain Bearing: Lightweight, low-maintenance option suitable for rope and wire applications.
- Stainless Steel Dynamic: Features patented Dynamic Bearing Technology for exceptionally low friction and smooth operation, ideal for fast-running systems.
- Aluminium Plain Bearing: Robust option suited to highly statically loaded applications while maintaining compatibility with rope and wire.
Technical Description
| Breaking Load | 670 kg |
| Fixing Hole Diameter | 4 mm |
| Height | 30 mm |
| Hole Pitch | 57 mm |
| Length | 66 mm |
| Maximum Line Diameter | 7 mm |
| Maximum Working Load | 300 kg |
| Sheave Diameter | 25 mm |
| Sheave Material | Acetal |
| Sheave width | 8 mm |
| Slot Size | 44 x 13 |
| Width | 12 mm |
| Weight | 32 g |
