303 Stainless Steel Linear Shaft Rods 1-45mm Diameter

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Price range: $5.38 through $22.40
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Precision 303 stainless steel linear shaft rods, customizable diameters (1-45mm) and lengths (10-550mm). High tensile strength and acid resistance ensure durability.

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Estimated Delivery Time3–7 business days

Precision Machining Steel Rods

These 303 stainless steel linear shaft rods offer precision and durability for various machining needs. Available in diameters from 1mm to 45mm and customizable lengths between 10mm and 550mm, they provide flexibility for your project requirements.

The rods are crafted from austenitic stainless steel, designed for excellent acid resistance and ease of cutting, making them suitable for automatic lathe use, bolts, and nut production.

Material Composition and Mechanical Strength

The rods contain carbon (≤0.15%), silicon (≤1.00%), manganese (≤2.00%), sulfur (≥0.15%), phosphorus (≤0.20%), chromium (17-19%), nickel (8-10%), and up to 0.60% molybdenum for enhanced corrosion resistance.

They offer strong mechanical performance: tensile strength of 515MPa, yield strength of 205MPa, and elongation of 40%. Standard hardness is HRB 90-100, HRC 20-25.

Manufacturing and Surface Finish

The rods are unpolished and have no hard coating, maintaining their original surface state for versatility in finishing and machining.

Their free-cutting properties come from sulfur and selenium additions, allowing high-quality surface finishes in machining processes.

Dimensional Accuracy and Custom Options

Diameter tolerance is controlled between -0.1mm and -0.3mm; length tolerance is maintained within +1mm to +5mm.

Custom diameter sizes and length options enable precise fitment for diverse engineering applications, with selections available across many intermediate sizes.

Key specifications

  • Material: 303 Stainless Steel
  • Diameter Range: 1mm to 45mm
  • Length Range: 10mm to 550mm
  • Tensile Strength: 515MPa
  • Yield Strength: 205MPa
  • Elongation: 40%
  • Hardness: HRB 90-100, HRC 20-25
  • Surface: Unpolished, no hard coating

What's in the box

  • One 303 stainless steel linear shaft rod
Product FAQ

Frequently asked questions

01 What is the diameter range available for these stainless steel rods?

Diameters range from 1mm to 45mm, with options to choose specific sizes or close approximations.

02 Can I customize the length of the linear shaft rods?

Yes, lengths can be customized from 10mm to 550mm according to your requirements.

03 What material is used for these rods?

They are made from 303 stainless steel, known for its austenitic, acid-resistant, and easy-cutting properties.

04 What mechanical properties does the 303 stainless steel have?

After annealing and stress relief, it offers a tensile strength of 515MPa, yield strength of 205MPa, and elongation of 40%.

05 Is the surface polished or coated?

The rods have no hard coating and are unpolished.

06 What is the tolerance for diameter and length?

Diameter tolerance ranges from -0.1mm to -0.3mm; length tolerance ranges from +1mm to +5mm.

07 Are these rods suitable for automatic lathes and machining?

Yes, 303 stainless steel rods are ideal for applications requiring easy cutting and high surface finish, such as automatic lathes.

08 Does the rod contain any special alloying elements?

Yes, it contains up to 0.60% molybdenum to improve corrosion resistance and machining properties.

09 What safety precautions should be considered regarding this product?

Since these rods are small parts, keep them away from children to avoid any safety hazards.

10 Are multiple sizes supplied in the package?

Typically, one rod per package is supplied; for 2-piece bundles, specific options are available.

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SKUGA_184063

Discussion

5.0
Based on 42 reviews
Rating
AliExpress Shopper July 8, 2026 ★ ★ ★ ★ ★

Precise shaft, 7mm. as described

B*** June 26, 2026 ★ ★ ★ ★ ★

I purchased products with diameters of 6mm and 8mm, and both products arrived in good condition without any rough edges.

AliExpress Shopper June 26, 2026 ★ ★ ★ ★ ★

Stainless steel rod as described. There are no particular issues with strength or texture. The cut surface has not been deburred, so if you're concerned about that, you can file it down.

B*** June 26, 2026 ★ ★ ★ ★ ★

I purchased a 6mm diameter product and an 8mm diameter product. The product diameters were accurate without any error, which was helpful for my work.

AliExpress Shopper June 1, 2026 ★ ★ ★ ★ ★

Thank you for the stainless steel 5mm rod