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Allen 8 x 30mm Exit Sheave Boxes
8 x 30mm Exit Sheave Boxes
These exit sheave boxes are a high-performance solution designed to improve the efficiency and durability of your rigging system.
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 too or the curved backing plate which is included.
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 CNC machined from marine grade 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. Includes a curved backing plate for mounting to the leading edge of a mast.
- Optimised Rope Protection: Minimises wear and tear on halyards for extended rope life.
Sheave Options:
- Acetal Plain Bearing: The lightweight, low-maintenance option. Suitable for maximum working loads up to 200kg. It can be used with rope and wire.
- Dynamic Ball Bearing: The lowest friction for maximum performance option. Suitable for maximum working loads up to 140kg. Most suitable for use with rope. Ideal for fast running systems.
- Stainless Steel Plain Bearing: The heavy-duty option. Suitable for maximum working loads up to 300kg. Can be used with rope and wire. Ideal for highly statically loaded applications.
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| Part | Description | Line Ø mm |
Sheave Width mm |
Sheave Ø mm |
Slot Size mm |
Fixing hole centre mm |
Fixing Hole size |
Break Load kg |
MWL kg |
Weight g |
RRP Inc VAT |
Unit | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AL-4430-4716-AP | Acetal - Plain Bearing | 4 - 8 | 10 | 30 | 47 x 16 | 60 | 5.2 | 600 | 200 | 35 | £48.71 | EACH | |
| AL-4430-4716-D | Acetal - Ball Bearing | 4 - 8 | 10 | 30 | 47 x 16 | 60 | 5.2 | 600 | 140 | 39 | £51.77 | EACH | |
| AL-4430-4716-SP | Stainless Steel - Plain Bearing | 4 - 8 | 10 | 30 | 47 x 16 | 60 | 5.2 | 600 | 300 | 61 | £53.78 | EACH |
contact us
Proboat Ltd
Burnham Business Park,
Burnham - on - Crouch,
Essex,
CM0 8TE, UK
Phone - +44 (0)1621-785455
E mail - info@proboat.co.uk
Burnham Business Park,
Burnham - on - Crouch,
Essex,
CM0 8TE, UK
Phone - +44 (0)1621-785455
E mail - info@proboat.co.uk
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Copyright © 2018 Proboat Ltd.
All rights reserved.
Privacy Policy
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Download Catalogues
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Copyright © 2018 Proboat Ltd.
All rights reserved.
disclaimer
Although great care is taken to ensure the
information in this website is accurate, all information is given for
guidance only and is not contractual.
We reserve the right to alter specifications without notice. The purchaser is responsible for choosing the correct product for it's particular application.
All goods are supplied according to our conditions of sale.
We reserve the right to alter specifications without notice. The purchaser is responsible for choosing the correct product for it's particular application.
All goods are supplied according to our conditions of sale.