4pcs Brass Bushing Guide Sleeve OD 16mm Precision Oil Bearing

4pcs Copper Brass Bushing Guide Sleeve – OD 16mm Precision Oil Bearing

Upgrade your machinery and tooling setups with these premium JARBLUE Brass Bushing Guide Sleeves. Crafted from high-quality brass with a precision-machined surface finish of Ra 0.8, these oil-impregnated bearings deliver smooth, low-friction performance and long service life. Sold as a set of 4, they are available in multiple lengths (7mm, 10mm, 15mm, 20mm) with a consistent outer diameter of 16mm and inner diameter of 12mm — making them ideal for a wide variety of mechanical and workshop applications.

CE certified and made to tight tolerances, these guide sleeves are a reliable choice for DIY enthusiasts, machinists, and engineers who demand precision and durability.

Made in Mainland China.

Key Features

• Material: High-quality brass (copper alloy) for excellent wear resistance and corrosion resistance
• Dimensions: Inner Diameter (ID) = 12mm | Outer Diameter (OD) = 16mm | Lengths: 7mm / 10mm / 15mm / 20mm
• Set of 4: One sleeve per length, covering the most common sizing needs
• Precision Surface Finish: Ra 0.8 surface roughness for tight tolerances and minimal runout
• Oil-Impregnated Bearing: Self-lubricating design reduces maintenance and extends operational life
• CE Certified: Meets recognized quality and safety standards
• Versatile Use: Suitable for drilling jigs, CNC machines, press tools, molds, and general mechanical assemblies
• Brand: JARBLUE | Model: 12X12

Specifications

What Are These Used For?

Brass guide bushings and oil bearings are essential components in precision machining, woodworking jigs, metal fabrication, and industrial equipment. They guide drill bits or shafts with accuracy, reduce wear on mating surfaces, and function as reliable low-maintenance bearings in rotating or sliding assemblies.

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Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: What sizes are included in the 4pcs brass bushing guide sleeve set?

A: The set includes four brass guide sleeves, all with an inner diameter of 12mm and outer diameter of 16mm, in four different lengths: 7mm, 10mm, 15mm, and 20mm — one of each length per set.

Q: Are these brass bushings self-lubricating?

A: Yes. These are oil-impregnated precision bearings, meaning they are pre-lubricated during manufacturing for a self-lubricating effect that reduces the need for frequent maintenance and extends the operational lifespan of your assembly.

Q: What applications are brass guide sleeves suitable for?

A: These guide sleeves are widely used in drilling jigs, CNC machining fixtures, injection molds, punch press tooling, woodworking jigs, and general mechanical assemblies where precision shaft or drill guidance and low-friction motion are required.

Q: Are these CE certified?

A: Yes, these JARBLUE brass bushing guide sleeves are CE certified, confirming they meet established quality and compliance standards for use in machinery and tooling applications.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.