Allen 10 x 38mm Exit Sheave Box

10 x 38mm Exit Sheave Box

Designed to improve the efficiency and durability of rigging systems, this 38mm Exit Sheave Box provides smooth and reliable rope or wire routing for masts, decks, and other marine applications. Manufactured from CNC-machined marine-grade aluminium, it features a removable axle pin for simple maintenance or sheave replacement, with a curved backing plate included for mounting to the leading edge of a mast.

Available with a choice of sheave options, the design helps minimise wear on halyards, extending rope life while ensuring efficient performance.

Key Features:

CNC-machined marine-grade aluminium body
Removable axle pin for easy maintenance
Includes curved backing plate for mast mounting
Suitable for rope and wire applications
Optimised design to reduce halyard wear
Corrosion-resistant construction
Ideal for masts, decks, and other marine installations

Sheave Options:

Acetal Plain Bearing: Lightweight, low-maintenance option suitable for rope and wire applications.
Dynamic Bearing: Features patented Dynamic Bearing Technology for exceptionally low friction and smooth operation. Ideal for fast-running systems and rope applications.
Stainless Steel Plain Bearing: Heavy-duty option designed for highly statically loaded applications. Suitable for rope and wire use

spec sheet Sheave Box Allen

Part	Description	Max Line Ø mm	Sheave Ø mm	Hole Pitch mm	Slot Size mm	Fixing hole Ø mm	Length mm	Break Load kg	MWL kg	Weight g	RRP Inc VAT	Unit
AL-4438-5818-12-AP	Acetal - Plain Bearing	10	38	76	58 x 18	5	90	900	400	71	£57.19	each
AL-4438-5818-12-SS	Acetal - Ball Bearing	10	38	76	58 x 18	5	90	900	500	117	£59.22	each
AL-4438-5818-12-SP	Stainless Steel - Plain Bearing	10	38	76	58 x 18	5	90	900	600	133	£54.14	each

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10 x 38mm Exit Sheave Box

Allen 10 x 38mm Exit Sheave Box

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