Attributes

Brand	-
Category	Hardware & Tools / Other Machinery & Hardware (New)
Origin	-
Material	Hardened Alloy Steel
Surface Finish	Precision Ground & Polished
Tolerance Grade	ISO IT6 / G6
Hardness	58-62 HRC
Application	Automotive Inspection Fixtures
Thread Type	Metric Fine Thread (Optional)
Coating	Black Oxide / Nickel Plated
Origin	Manufactured in ISO 9001 Facility
Packaging	Individual Protective Sleeve & Box
Availability	In Stock - Ready to Ship

6 reviews

Anonymous

Mar 29, 2026

Rating: 4/5

Good value for bulk orders

Solid product for the price. We use them in multiple fixture setups. One sleeve had a very minor cosmetic mark, but it did not affect functionality. Would order again.

Anonymous

Mar 27, 2026

Rating: 5/5

Perfect fit for our gauge fixtures

We ordered these round bushings for our new automotive inspection line. The tolerances are spot on, and the surface finish is excellent. No issues with insertion or wear after a week of heavy use.

Anonymous

Mar 19, 2026

Rating: 5/5

High quality standard parts

Exactly as described. The hardened steel holds up well against repeated insertion of inspection pins. Delivery was fast and packaging prevented any damage during transit.

Anonymous

Mar 17, 2026

Rating: 4/5

Standard reliable component

Nothing fancy, just a high-quality bushing that does its job. The threading on the optional threaded version is clean and precise. Slightly higher price than generic brands but worth it for consistency.

Anonymous

Mar 08, 2026

Rating: 5/5

Fast shipping and great durability

Needed these urgently for a production audit. They arrived two days early. The black oxide coating seems durable and provides good corrosion resistance in our shop environment.

Anonymous

Mar 05, 2026

Rating: 5/5

Reliable for precision work

Our quality control team verified the dimensions against our CAD models, and everything matched perfectly. These sleeves are now our standard for all new fixture designs.

5 FAQ

Q: Are these bushings compatible with metric and imperial pins?

A: Our standard stock focuses on metric sizes per ISO standards, but we can manufacture custom imperial sizes upon request. Please contact our sales team with your specific dimensions.

Q: Do you provide material certification with the shipment?

A: Absolutely. Every batch comes with a Mill Test Certificate (MTC) detailing the chemical composition and hardness test results to ensure compliance with industry standards.

Q: What is the lead time for a bulk order of 500 units?

A: For items marked 'In Stock', we can ship up to 200 units immediately. Orders between 200-500 units typically require 3-5 business days for final quality inspection and packaging.

Q: Can these be used in high-temperature environments?

A: Yes, the hardened alloy steel retains its structural integrity up to 300°C. However, please note that the black oxide coating may discolor above 200°C, though functionality remains unaffected.

Q: Is the inner diameter adjustable or fixed?

A: These are fixed-size precision bushings designed for specific pin diameters to ensure accurate inspection. They are not adjustable. Please select the exact size required for your application.

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