Product Description:
From Qimao Metal Manufacturer 304 Stainless Steel Double Groove Guide Bushing for Precision Alignment does one main thing: it keeps moving parts aligned. That sounds simple enough, but execution matters.
The double grooves are the distinguishing feature. Some customers use them for oil distribution, others as chip clearance paths. Depends on the application. We’ve run enough of these to know that groove geometry affects performance more than most assume. Wrong depth or uneven spacing, and the bushing won’t lubricate properly. That leads to premature wear.
We use 304 stainless. Not exotic, but it handles corrosion well and holds dimensions under moderate loads. We’ve machined a lot of it over the years, so we know how to avoid the pitfalls—work hardening, tool wear, stress points.
The bushing fits standard housing bores. The grooves run parallel to the bore axis, ensuring even lubricant distribution. It’s not a complicated part, but the details make it work.

Specification:
| Product Name: | Item No.: | Material: | Measurement(mm): | Surface Finish: | Weight(g): | ||
| L: | W: | Dia: | |||||
| 304 Stainless Steel Double Groove Guide Bushing for Precision Alignment | QM2003 | 304stainless steel
|
10 | / | Inner dia:6.14 Inner dia:5.05 |
polish | 3.6. |
Products Details:
This 304 Stainless Steel Double Groove Guide Bushing for Precision Alignment has one job: keeping moving parts in line. Simple enough, but there’s more to it than people think.
The double grooves are what make this bushing different. Depending on your setup, they carry oil to the bearing surface or give chips somewhere to go instead of getting trapped. Which one applies depends on your application. We’ve made enough of these to know that groove geometry has a bigger impact on longevity than most people realize. Get the depth wrong or space them unevenly, and lubrication suffers. That shortens the bushing’s life.
We use 304 stainless for these. It’s a material we know well—we’ve been machining it for years. Corrosion resistance is good, dimensional stability is predictable. We’ve also learned how to machine it without creating stress points that turn into problems later.
The bushing fits standard housing bores, so installation is straightforward. Once in place, the grooves run parallel to the bore axis, which keeps lubricant evenly distributed across the bearing surface. Not a complicated part, but the details make it work reliably.
Product Feature:
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Double groove design – some customers use these 304 Stainless Steel Double Groove Guide Bushing for Precision Alignment for oil distribution, others for chip clearance. Depends on the setup. Groove geometry—depth, width, spacing—affects performance more than most realize. Get it right, the bushing runs smooth. Get it wrong, lubrication fails.
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304 stainless steel – handles corrosion well, holds dimensions under moderate loads. Not the hardest material out there, but we’ve machined enough of it to know it works for this application.
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Consistent fit – tolerances held tight from batch to batch. When you replace a worn bushing, it fits the same housing without rework.
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Parallel grooves – ensures even lubricant distribution across the bearing surface. Less friction, less wear, longer life.
Product Application:
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The304 Stainless Steel Double Groove Guide Bushing for Precision Alignment body– grooves carry oil to the bearing surface. One customer extended spindle service intervals by nearly 40% after switching to these.
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Forming and stamping dies – grooves act as chip relief paths. Keeps debris from getting trapped and scoring the bearing surface.
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Automation and robotics – holds alignment accuracy for moving components that need repeatable positioning.
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Plastic injection molding – guides ejector pins or core pulls. One mold shop cut maintenance downtime by about 30% with these bushings.









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