Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	High-Carbon Steel
Inner Diameter	12mm
Outer Diameter	14mm / 16mm / 18mm
Hardness	HRC 58-62
Surface Finish	Ground & Polished
Standard Length	100mm
Dimensional Tolerance	±0.01mm
Heat Treatment	Quenched & Tempered
Application	Linear Motion Systems
Package Weight	0.2 kg

5 reviews

Anonymous

Mar 20, 2026

Rating: 5/5

Perfect for CNC

Using this in my CNC router build. The tolerance is tight and precise.

Anonymous

Mar 08, 2026

Rating: 5/5

High quality steel

Very hard and durable. Used it for a repair job and it holds up well under stress.

Anonymous

Feb 28, 2026

Rating: 5/5

Fast shipping

Product arrived well packaged and on time. No rust or damage.

Anonymous

Feb 11, 2026

Rating: 4/5

Good but heavy

Quality is great, but it is heavier than expected. Make sure your mount can handle it.

Anonymous

Jan 26, 2026

Rating: 5/5

Exactly what I needed

The dimensions are spot on. Fits my 12mm shaft perfectly with no play.

5 FAQ

Q: Does this come pre-lubricated?

A: It comes with a protective oil coating. We recommend applying your own lubricant before installation.

Q: Is this compatible with aluminum shafts?

A: It is designed for steel shafts. Using with aluminum may cause wear on the shaft due to hardness difference.

Q: Is the 18mm OD available in stock?

A: Yes, all OD variations listed are currently in stock and ready to ship.

Q: Can I cut this to a shorter length?

A: Yes, but please use a proper metal cutting saw to avoid damaging the heat treatment.

Q: What is the return policy if it doesn't fit?

A: We accept returns within 30 days if the item is unused and in original packaging.

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