303 Stainless Steel Linear Shaft Rods Various Sizes

5.0 · 48 reviews
Price range: $5.36 through $17.74
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Durable 303 stainless steel shafts ideal for precise machining and corrosion resistance.

  • Free length customization
  • Available in diameters from 1mm to 20mm
  • Suitable for bolts, nuts, and automatic lathe use
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Estimated Delivery Time3–7 business days

Precision Cut Stainless Steel Shafts

Crafted from premium 303 stainless steel, these linear shafts offer exceptional machinability and corrosion resistance. They are precisely cut to your required length at no additional cost, ensuring perfect fit for your project needs.

  • Range of diameters from 1mm to 20mm available
  • Smooth surface finish with Ra 1.6 for high-quality applications

Superior material properties

303 stainless steel is an austenitic, free-cutting alloy containing sulfur and selenium to enhance cutting performance. It also includes up to 0.60% molybdenum to improve resistance to corrosion and ablation, making it ideal for demanding environments.

  • Tensile strength: 515 MPa after annealing
  • Yield strength: 205 MPa
  • Elongation: 40%
  • Hardness range: HRB 90-100 or HRC 20-25

Versatile Engineering Applications

These rods are suitable for use in automatic lathes, precision bolts, and nuts, where high surface finish and dimensional accuracy are critical. The shafts’ machining properties make them ideal for industrial and mechanical uses.

  • Ideal for automatic lathes and fasteners
  • High temperature bonding capability

Chemical Composition Highlights

The composition includes low carbon (≤0.15%), silicon (≤1.00%), manganese (≤2.00%), phosphorus (≤0.20%), chromium (17-19%), nickel (8-10%), and sulfur (≥0.15%).

Quality and Measurement Tolerances

Manufactured under GB/T 1220 standards, with precise diameters and tolerances for accuracy.

Manual measurement may have a slight deviation of 0.1-0.3mm, so please verify your requirements accordingly.

  • Tolerance: +0/-0.015 inch up to 25mm diameter
  • Tolerance: +0/-0.025 inch above 25mm diameter

Key specifications

  • Material: 303 Stainless Steel
  • Diameter Range: 1mm to 20mm
  • Length Options: Custom cut, 100mm to 500mm available
  • Tensile Strength: 515 MPa
  • Yield Strength: 205 MPa
  • Elongation: 40%
  • Surface Roughness: Ra 1.6
  • Hardness: HRB 90-100 / HRC 20-25

What's in the box

  • 1 piece 303 stainless steel linear shaft rod, custom cut to selected length
Product FAQ

Frequently asked questions

01 What material are these linear shafts made from?

They are made from 303 stainless steel, known for corrosion resistance and easy machining.

02 Are the shafts available in multiple diameters?

Yes, diameters range from 1mm up to 20mm, with many increments available.

03 Can I order custom lengths for these rods?

Yes, rods can be cut to any length free of charge according to your specifications.

04 What mechanical properties does 303 stainless steel have?

It has a tensile strength of 515 MPa, yield strength of 205 MPa, elongation of 40%, and hardness between HRB 90-100 or HRC 20-25.

05 Is any molybdenum added to improve the steel?

Yes, up to 0.60% molybdenum is added to enhance corrosion resistance.

06 What is the surface finish or roughness of these shafts?

The surface roughness is specified as Ra 1.6, providing a smooth finish for applications.

07 What are common applications for these 303 stainless steel rods?

They are suitable for high surface finish requirements such as bolts, nuts, and automatic lathe components.

08 Does the steel contain sulfur or selenium?

Yes, 303 stainless steel includes sulfur and selenium for better machinability.

09 Are there any size tolerances for these rods?

Yes, tolerances are +0/-0.015 inches for rods up to 25mm diameter and +0/-0.025 inches for larger diameters.

10 How should I handle these products for safety?

Since the rods are small parts, keep them away from children to ensure safety.

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AvailabilityIn stock
SKUGA_188719

Discussion

5.0
Based on 48 reviews
Rating
m***d May 1, 2026 ★ ★ ★ ★ ★

These are good. nice finish. no burring on edge. i measure the diameter as 7.969mm to 7.978.. which is probably what i expected.

AliExpress Shopper April 27, 2026 ★ ★ ★ ★ ★

Product suitable, as described.

AliExpress Shopper April 13, 2026 ★ ★ ★ ★ ★

As described

a***r April 11, 2026 ★ ★ ★ ★ ★

Good quality product, with a nice finish.

a***r April 11, 2026 ★ ★ ★ ★ ★

Good quality product, with a nice finish.