S44004 Stainless Steel | McMaster-Carr

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About Stainless Steel

Compare over 25 types of stainless steel to find the right material for you—all with material certificates for traceability.

Bearing-Quality 440C Stainless Steel

Oversized Bearing-Quality 440C Stainless Steel

The width and thickness are oversized for finishing to your exact requirements.

Tight-Tolerance Hardened 440C Stainless Steel

With a diameter that’s held to a close tolerance, this material is hardened for increased wear and abrasion resistance.

Bearing-Quality 440C Stainless Steel

One of the hardest types of stainless steel after heat treating, 440C offers excellent wear and abrasion resistance. It's often used for bearings, valves, and knife blades.

Tight-Tolerance Bearing-Quality
440C Stainless Steel

Ready for turning in your lathe, these rods are precision ground to a tight tolerance.

Hardened Bearing-Quality 440C Stainless Steel

These balls are hardened for increased wear and abrasion resistance.

Linear Motion Shafts

Combine these general purpose shafts with a linear bearing and shaft support to create a basic linear motion system.

Tapped Linear Motion Shafts

Internal threads allow you to mount these shafts onto threaded studs and fasteners, no shaft supports needed.

Shafts for Support Rails

Replace worn shafts in two-piece support-rail shaft systems, or mate with a support rail to create your own. The tapped mounting holes match those on our Support Rails.

Support-Rail Shafts

These shafts include a support rail for a stable setup that eliminates bending and prevents linear bearings from rotating.

Bearing-Quality 440C Stainless Steel

Oversized Bearing-Quality 440C Stainless Steel

Tight-Tolerance Hardened 440C Stainless Steel

Bearing-Quality 440C Stainless Steel

Tight-Tolerance Bearing-Quality440C Stainless Steel

Hardened Bearing-Quality 440C Stainless Steel

Linear Motion Shafts

Linear Motion Shafts

Tapped Linear Motion Shafts

Shafts for Support Rails

Support-Rail Shafts

Tight-Tolerance Bearing-Quality
440C Stainless Steel