Plain & Steel Guide Bushings
Product reference · dimensions follow the approved drawing
Guide Components

Plain & Steel Guide Bushings

A replaceable sliding sleeve guides the post and takes wear at the mating interface. Bore finish and installed fit matter together.

Designs and configurations ↓

Material options

Bearing steel · Tool steel

The final grade and treatment are confirmed after reviewing your drawing and operating conditions.

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Dimensions, tolerances, hardness, quantity and delivery are confirmed in the quotation. No fixed stock specification is implied.

Designs and configurations

03

Select function and geometry, then confirm material, fits and treatment. Options may be combined; dimensions follow the agreed drawing.

直身滑动导套

Straight plain bushing

A cylindrical body fits a mounting bore; specify inner and outer fits separately.

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卸料板导套

Stripper guide bushing

Pairs with stripper posts; check plate thickness and contact length.

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顶出系统导套

Ejector-system guide bushing

Guides ejector plates; it is not a sleeve that directly ejects the molded part.

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Industries and operating scenarios

A replaceable sliding sleeve guides the post and takes wear at the mating interface. Bore finish and installed fit matter together.

Replaceable guides in mold bases and ejector plates: provide serviceable wear surfaces and a defined lubrication path.

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Industries and operating scenarios

Materials and treatment options

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Materials and treatment options

Surface treatments and finishes

  • Precision-ground fits

    Specify guide and mounting tolerances separately and check the fit after installation.

  • Hardening and surface treatment

    Select heat treatment for material and sliding or rolling contact; consider nitriding only for a compatible substrate and system.

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Family-specific questions

Plain vs ball bushings?

Plain types guide by sliding bore contact; rolling guidance needs ball bushings/cages—not interchangeable by OD.

YZX PRECISION

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Share a 2D drawing, 3D model or sample details. We can review the geometry, mating fit and material requirements with you.

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