Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	Tool Steel / Bearing Steel
Hardness	HRC 60-64
Inner Diameter Tolerance	H7 Precision Ground
Outer Diameter Tolerance	p6 Press Fit
Surface Finish	Polished / Black Oxide
Heat Treatment	Through Hardened
Concentricity	< 0.005mm
Application	Drill Jigs, Fixtures, Tooling
Package Weight	Varies by Size Selection
Country of Origin	Imported

5 reviews

Anonymous

Mar 25, 2026

Rating: 4/5

Good quality, tight tolerance

Quality is great, but the OD was slightly tight for my aluminum plate. Had to ream the hole slightly. Otherwise, the ID is spot on for the drill bit.

Anonymous

Mar 16, 2026

Rating: 5/5

Great value

Compared to other industrial suppliers, these are priced very well for the quality. Shipping was fast and packaging protected the parts nicely.

Anonymous

Mar 12, 2026

Rating: 5/5

Excellent hardness

Holds up well against HSS bits without showing wear after hundreds of cycles. The heat treatment seems consistent across the batch I ordered.

Anonymous

Mar 08, 2026

Rating: 5/5

Perfect for jig fixtures

Used these for a production run on our CNC mill. The concentricity is excellent and they fit perfectly into our fixture plates. Highly recommend for precision work.

Anonymous

Jan 23, 2026

Rating: 5/5

Precision as advertised

Concentricity is spot on. We use these for positioning sleeves in assembly jigs and they have reduced our scrap rate significantly.

5 FAQ

Q: What is the maximum recommended RPM?

A: RPM depends on the drill bit and material being drilled, but the bushing itself can withstand standard high-speed drilling temperatures.

Q: Do I need to lubricate the bushing during use?

A: Light lubrication is recommended for extended tool life, especially when using high-speed operations.

Q: Can these be pressed into aluminum fixture plates?

A: Yes, but ensure the hole is sized correctly for a press fit to prevent the bushing from spinning under torque.

Q: What is the ID tolerance standard?

A: The inner diameter follows H7 precision ground standards suitable for standard drill bit shanks.

Q: Is a material certification available?

A: Yes, material certs are available upon request for bulk orders. Please contact us before purchasing.

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