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Home / Other Machinery & Hardware (New) / Air Expansion Shaft 3 to 6 Inch Variable Diameter Nylon Sleeve, Air Expandable Bushing Converter 5-8 inch 10 inch 12 inch Chuck Shaft Sleeve Plug Head

Attributes

Brand -
Category Hardware & Tools / Other Machinery & Hardware (New)
Origin -
Material High-Strength Nylon and Aluminum Alloy
Expanded Diameter Range 3 to 6 Inches (76mm - 152mm)
Compatible Core Sizes Fits 5, 8, 10, and 12 inch cores
Operating Pressure 60 - 90 PSI
Surface Finish Smooth Matte with Anti-Slip Texture
Weight Capacity Up to 500 lbs per unit when fully expanded
Temperature Resistance -20°C to 80°C
Connection Type Standard Quick-Release Air Valve
Application Rolling, Slitting, and Rewinding Machinery
Package Includes 1x Expansion Shaft, 1x Air Hose Adapter, 1x User Manual

6 reviews

A

Anonymous

Mar 25, 2026

Rating: 5/5

Durable and reliable

We have been using this daily for three months in a dusty environment. The nylon material holds up well against abrasion, and the air seal has not leaked once. Great purchase.

A

Anonymous

Mar 24, 2026

Rating: 5/5

Excellent value for money

Compared to other brands, this offers the same performance at a better price point. The grip strength is impressive even on smooth plastic cores. Will definitely order more for our second line.

A

Anonymous

Mar 24, 2026

Rating: 5/5

Saves us so much time

Previously, we had to swap out entire shafts for different job sizes. This converter allows us to switch between 5-inch and 10-inch cores in under a minute. Highly recommended for high-volume shops.

A

Anonymous

Mar 23, 2026

Rating: 4/5

Good quality, slight learning curve

The build quality is excellent and feels very durable. It took us a few tries to get the air pressure just right for our specific paper rolls, but once dialed in, it performs consistently.

A

Anonymous

Mar 17, 2026

Rating: 4/5

Solid industrial component

Does exactly what it says on the tin. The variable diameter range is accurate. I deducted one star only because the included air hose adapter felt a bit flimsy compared to the shaft itself.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Perfect fit for our slitting machine

We needed a variable shaft that could handle different core sizes without changing hardware. This nylon sleeve works flawlessly. The expansion is even, and it grips the core tightly without damaging it.

5 FAQ

Q: Can this shaft be used with cardboard cores that are slightly oval or out of round?

A: Yes, the flexible nylon sleeve can accommodate minor irregularities in core shape, ensuring a secure grip even if the core is not perfectly circular.

Q: Is replacement parts available for the nylon sleeve if it wears out?

A: Yes, the nylon sleeve is designed to be replaceable. You can order just the sleeve component without needing to buy the entire metal shaft assembly.

Q: What is the maximum air pressure this unit can withstand before risking damage?

A: While the optimal operating range is 60-90 PSI, the unit is tested to withstand up to 120 PSI briefly. However, we recommend staying within the specified range for longevity.

Q: Can this be used in food packaging environments?

A: The standard nylon material is generally safe for indirect contact, but for direct food contact applications, please consult our specialized food-grade series which meets specific FDA compliance standards.

Q: Does this come with a gauge to monitor the air pressure during inflation?

A: The package includes the shaft and adapters, but an air pressure gauge is not included. We recommend using your compressor's built-in gauge or purchasing a separate inline gauge for precision.

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