Allpa Brass Stern Tube for Propeller Shafts Ø25–40 mm, Supplied per Meter

Name: Allpa Brass Stern Tube for Propeller Shafts Ø25–40 mm, Supplied per Meter
SKU: ALP OT6325

SKU: ALP OT6325

ID 1416375

$ 218.61

1-2 weeks delivery time

Shaft Diameter:

Item:

40 × 34
45 × 39
50 × 43
55 × 45

Allpa brass stern tubes for inboard marine propeller shaft installations, available for shaft diameters of 25, 30, 35 and 40 mm. Tube dimensions range from Ø40 × 34 mm to Ø55 × 45 mm (outside × inside diameter). Supplied per meter, with optional thread machining on one or both ends as specified in the manufacturer's catalogue.

Description
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Allpa Brass Stern Tube for Propeller Shafts Ø25–40 mm, Supplied per Meter

The Allpa Brass Stern Tube is designed for inboard marine propulsion systems with propeller shaft diameters from 25 to 40 mm. Manufactured from brass, the tube forms part of the vessel's propeller shaft installation.

The range includes four tube sizes, with outside diameters from 40 to 55 mm and inside diameters from 34 to 45 mm. Each version is specified for a particular propeller shaft diameter.

The stern tubes are supplied per meter. The manufacturer's catalogue also specifies the possibility of thread machining on one or both ends.

Key Features

Brass construction: Brass stern tubes for marine propulsion shaft installations.
Inboard application: Designed for inboard propeller shaft systems.
Available shaft diameters: 25, 30, 35 and 40 mm.
Tube dimensions: Outside and inside diameters matched to each shaft size.
Length: Supplied per meter.
Optional threading: Thread machining on one or both ends is listed as an available option.
Four configurations: Individual article numbers for each shaft and tube size.

Technical Specifications

Parameter	Specification
Brand	Allpa
Product Type	Brass Stern Tube
Material	Brass
Application	Inboard Propeller Shaft Systems
Compatible Shaft Diameters	25, 30, 35, 40 mm
Outside Tube Diameters	40, 45, 50, 55 mm
Inside Tube Diameters	34, 39, 43, 45 mm
Supply Length	Per Meter
Threading	Optional, One or Both Ends

Available Sizes and Dimensions

Article Number	Propeller Shaft Ø	Tube Outside Ø	Tube Inside Ø	Length
OT6325	25 mm	40 mm	34 mm	Per Meter
OT6330	30 mm	45 mm	39 mm	Per Meter
OT6335	35 mm	50 mm	43 mm	Per Meter
OT6340	40 mm	55 mm	45 mm	Per Meter

Material and Construction

All four stern tube versions are manufactured from brass. The tube dimensions are specified as outside diameter × inside diameter, allowing selection according to the propeller shaft size and the required installation dimensions.

The stern tubes are listed with optional thread machining on one or both ends. Thread specifications and machining requirements must be confirmed separately.

Selection and Installation

Before ordering, verify the following parameters:

Propeller Shaft Diameter: 25, 30, 35 or 40 mm.
Tube Outside Diameter: Required external mounting dimension.
Tube Inside Diameter: Required internal clearance.
Length: Required tube length, with the product supplied per meter.
Threading: Whether thread machining is required on one or both ends.

Select the appropriate stern tube according to the propeller shaft diameter and installation dimensions. Confirm any additional threading requirements before ordering.