SKU:
EX 66221.NAB
ID
1414687
$ 70.49
1-2 weeks delivery time
Shaft Diameter:
- 25
- 30
- 35
- 40
- 45
- 50
The Exalto Propeller Shaft Cap Nut is manufactured from corrosion-resistant CuAl10Ni nickel aluminium bronze for securing marine propeller shafts. Its domed, internally threaded construction features a hexagonal wrench section and a circular base. The range is available for shaft diameters from Ø25 to Ø50 mm, with corresponding metric threads from M16×1.5 to M27×2.0. Six configurations are offered, each with specified diameter ranges and wrench sizes. The nickel aluminium bronze construction provides corrosion and wear resistance for marine shaft fastening applications. Select the required cap nut according to the shaft diameter, thread specification and installation dimensions.
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Exalto CuAl10Ni Nickel Aluminium Bronze Propeller Shaft Cap Nut Ø25–50 mm
The Exalto CuAl10Ni Nickel Aluminium Bronze Propeller Shaft Cap Nut is a marine fastening component designed for securing propeller shafts. Manufactured from nickel aluminium bronze, it offers corrosion resistance and durability for marine mechanical applications.
The cap nut features a domed closed-end construction with an internal metric thread, a hexagonal wrench section and a circular base. Six configurations are available for propeller shaft diameters ranging from Ø25 mm to Ø50 mm.
CuAl10Ni Nickel Aluminium Bronze Construction
The cap nuts are manufactured from nickel aluminium bronze, identified in the supplied product descriptions as CuAl10Ni (Ni.Al.Br.).
The material provides resistance to corrosion and wear, making it suitable for marine shaft fastening applications.
Domed Cap Nut Design
The technical drawing shows a closed-end domed cap nut with an internal threaded opening, a hexagonal wrench section and a wider circular base.
Internal Metric Thread
Each cap nut features a specified internal metric thread corresponding to its intended shaft diameter.
The available thread dimensions are:
- M16 × 1.5
- M18 × 1.5
- M20 × 1.5
- M22 × 1.5
- M24 × 2.0
- M27 × 2.0
Propeller Shaft Diameter Compatibility
The Exalto cap nuts are available for the following nominal shaft diameters:
- Ø25 mm
- Ø30 mm
- Ø35 mm
- Ø40 mm
- Ø45 mm
- Ø50 mm
Hexagonal Wrench Section
The cap nuts incorporate a hexagonal section for tightening with a suitable wrench. The specified wrench widths range from 20 mm to 46 mm, depending on the selected model.
Available Models and Dimensions
The following dimensions are provided in the supplied Exalto technical table. The diameter range and wrench width are expressed in millimetres.
Product Code Shaft Ø Diameter Min–Max Thread Wrench Width 66221.NAB 25 mm 34–36 mm M16 × 1.5 20 mm 66233.NAB 30 mm 44–48 mm M18 × 1.5 27 mm 66238.NAB 35 mm 47–55 mm M20 × 1.5 30 mm 66243.NAB 40 mm 57–65 mm M22 × 1.5 36 mm 66248.NAB 45 mm 62–80 mm M24 × 2.0 41 mm 66253.NAB 50 mm 73–93 mm M27 × 2.0 46 mm
Key Features
- Brand: Exalto.
- Product Type: Propeller Shaft Cap Nut.
- Material: CuAl10Ni Nickel Aluminium Bronze.
- Construction: Domed closed-end nut with circular base.
- Fastening: Internal metric thread.
- Wrench Section: Hexagonal.
- Corrosion Resistance: Nickel aluminium bronze construction.
- Available Shaft Diameters: Ø25, Ø30, Ø35, Ø40, Ø45 and Ø50 mm.
- Thread Range: M16 × 1.5 to M27 × 2.0.
- Wrench Width Range: 20–46 mm.
- Application: Marine propeller shaft fastening.
Technical Specifications
Brand Exalto Product Type Propeller Shaft Cap Nut Material Nickel Aluminium Bronze (CuAl10Ni) Construction Domed Cap Nut with Circular Base Thread Type Internal Metric Thread Available Shaft Diameters 25, 30, 35, 40, 45, 50 mm Available Threads M16×1.5, M18×1.5, M20×1.5, M22×1.5, M24×2.0, M27×2.0 Diameter Min–Max Range 34–93 mm, depending on model Wrench Width 20, 27, 30, 36, 41, 46 mm Number of Variants 6
Selection and Compatibility
Select the Exalto cap nut according to the nominal propeller shaft diameter. Each shaft size corresponds to a specific internal thread, diameter range and wrench width.
Before ordering, verify the required metric thread and installation dimensions against the existing shaft fastening arrangement.
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