ISO 9448-6 Guide Bushings with Collar, Short Height

Q: Which material option (C40/Bronze, Sinter FE, or Bronze with graphite rings) is best for long-term lubrication in guide systems?

If you need self-lubricating operation , select the Sinter FE variant. For improved boundary or less-lubricated sliding stability, the Bronze with solid graphite rings option adds graphite directly at the interface. The C40 / Bronze choice is well-suited when conventional lubrication is available and you want bronze-enhanced wear performance.

Q: What hardness and wear performance should I expect from ISO 9448-6 guide bushings with collar (short height)?

This series specifies a hardened construction at 50–54 HRC with DB ≥ 180 . That combination is intended to resist wear under production loads while maintaining acceptable toughness for guide motion.

Q: How do I choose the correct length L for the short-height guide bushing in my mold guide bore?

Use the available L options: 35, 42, 52, 65, and 80 mm to match the available seating depth in the guide plate or support. For short-height designs, the goal is to fully seat the bushing while leaving the necessary clearance for stable leader movement. Confirm that your cavity/core layout provides adequate support length so the collared geometry can retain alignment through cycling.

Q: Can this guide bushing be supplied with or without a retaining clamp, and how does it affect installation?

Yes. The series offers alteration options: Without DFC Retaining Clamp or With DFC Retaining Clamp . Using the clamp typically improves retention under guide loads, which can matter for high-cycle or high-side-load molding scenarios.

Q: Are the bushings compatible with standard die assemblies based on ISO 9448-6?

Yes. The product is specified as an ISO 9448-6 guide bushing with collar in short height , which supports straightforward integration into standard die assemblies designed around the same dimensional intent. When selecting a diameter D = 19–80 mm , match it to the leader and guide bore dimensions used in your ISO-based layout.

ISO 9448-6 guide bushings with collar (short height) are designed for stable alignment in die and mold guide systems, combining compact structure with controlled hardness for reliable wear performance. Material options support both bronze-coated steel and self-lubricating operation.

Collared short bushing geometry supports secure guiding and consistent installation retention
Choose from bronze-coated C40 bronze, sinter FE, or bronze with solid graphite rings
Hardened construction at 50~54 HRC with DB ≥ 180 helps resist wear under production load
Complies with ISO 9448-6 dimensions for straightforward integration in standard die assemblies

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Specifications

66 configurations available

L (Length) (mm)	D (Diameter) (mm)	M (Material)	Hardness	Alteration
35	19	C40 / Bronze	50~54 HRC / DB≥180	Without DFC Retaining Clamp
35	19	C40 / Bronze	50~54 HRC / DB≥180	With DFC Retaining Clamp
35	19	Bronze with solid graphite rings	-	Without DFC Retaining Clamp
35	19	Bronze with solid graphite rings	-	With DFC Retaining Clamp
35	20	C40 / Bronze	50~54 HRC / DB≥180	Without DFC Retaining Clamp
35	20	C40 / Bronze	50~54 HRC / DB≥180	With DFC Retaining Clamp
35	20	Bronze with solid graphite rings	-	Without DFC Retaining Clamp
35	20	Bronze with solid graphite rings	-	With DFC Retaining Clamp
35	20	Sinter FE / Long term lubrication	-	Without DFC Retaining Clamp
35	20	Sinter FE / Long term lubrication	-	With DFC Retaining Clamp
35	24	C40 / Bronze	50~54 HRC / DB≥180	Without DFC Retaining Clamp
35	24	C40 / Bronze	50~54 HRC / DB≥180	With DFC Retaining Clamp
35	24	Bronze with solid graphite rings	-	Without DFC Retaining Clamp
35	24	Bronze with solid graphite rings	-	With DFC Retaining Clamp
35	24	Sinter FE / Long term lubrication	-	Without DFC Retaining Clamp
35	24	Sinter FE / Long term lubrication	-	With DFC Retaining Clamp
35	25	C40 / Bronze	50~54 HRC / DB≥180	Without DFC Retaining Clamp
35	25	C40 / Bronze	50~54 HRC / DB≥180	With DFC Retaining Clamp
35	25	Bronze with solid graphite rings	-	Without DFC Retaining Clamp
35	25	Bronze with solid graphite rings	-	With DFC Retaining Clamp
35	25	Sinter FE / Long term lubrication	-	With DFC Retaining Clamp
42	30	C40 / Bronze	50~54 HRC / DB≥180	Without DFC Retaining Clamp
42	30	C40 / Bronze	50~54 HRC / DB≥180	With DFC Retaining Clamp
42	30	Bronze with solid graphite rings	-	Without DFC Retaining Clamp
42	30	Sinter FE / Long term lubrication	-	Without DFC Retaining Clamp
42	30	Sinter FE / Long term lubrication	-	With DFC Retaining Clamp
42	32	C40 / Bronze	50~54 HRC / DB≥180	Without DFC Retaining Clamp
42	32	C40 / Bronze	50~54 HRC / DB≥180	With DFC Retaining Clamp
42	32	Bronze with solid graphite rings	-	Without DFC Retaining Clamp
42	32	Bronze with solid graphite rings	-	With DFC Retaining Clamp
42	32	Sinter FE / Long term lubrication	-	Without DFC Retaining Clamp
42	32	Sinter FE / Long term lubrication	-	With DFC Retaining Clamp
52	38	C40 / Bronze	50~54 HRC / DB≥180	Without DFC Retaining Clamp
52	38	C40 / Bronze	50~54 HRC / DB≥180	With DFC Retaining Clamp
52	38	Bronze with solid graphite rings	-	Without DFC Retaining Clamp
52	38	Bronze with solid graphite rings	-	With DFC Retaining Clamp
52	40	C40 / Bronze	50~54 HRC / DB≥180	Without DFC Retaining Clamp
52	40	C40 / Bronze	50~54 HRC / DB≥180	With DFC Retaining Clamp
52	40	Bronze with solid graphite rings	-	Without DFC Retaining Clamp
52	40	Bronze with solid graphite rings	-	With DFC Retaining Clamp
52	40	Sinter FE / Long term lubrication	-	Without DFC Retaining Clamp
52	40	Sinter FE / Long term lubrication	-	With DFC Retaining Clamp
65	48	C40 / Bronze	50~54 HRC / DB≥180	Without DFC Retaining Clamp
65	48	C40 / Bronze	50~54 HRC / DB≥180	With DFC Retaining Clamp
65	48	Bronze with solid graphite rings	-	Without DFC Retaining Clamp
65	48	Bronze with solid graphite rings	-	With DFC Retaining Clamp
65	50	C40 / Bronze	50~54 HRC / DB≥180	Without DFC Retaining Clamp
65	50	C40 / Bronze	50~54 HRC / DB≥180	With DFC Retaining Clamp
65	50	Bronze with solid graphite rings	-	Without DFC Retaining Clamp
65	50	Bronze with solid graphite rings	-	With DFC Retaining Clamp

Product Guide

🏭Application Scenarios+

ISO 9448-6 guide bushings with short height are used in leader–ejector and die guide systems where compact space and repeatable alignment are critical. Their short, collared geometry provides positive location and installation retention, reducing guide play over production cycles.

They are commonly specified for automotive and household appliance injection molds, especially where side loads from ejector travel or moving inserts must be stabilized. The hardened construction (50–54 HRC) and high wear performance (DB ≥ 180) help maintain dimensional stability under continuous cycling.

Electrical/connector housing molds: bronze-coated or graphite-ring options support smooth sliding and long-term lubrication at the guide interface.
Medical device housings: sintered FE variants support controlled, self-lubricating behavior for consistent motion with reduced maintenance.
High-mix production: the ISO 9448-6 standard sizing supports straightforward integration into existing guide assemblies.

🔧Material & Process Details+

This bushing is offered in three material configurations suited to different lubrication and wear strategies. C40 / Bronze provides a bronze-coated steel base, combining a robust C40 core with a lubricity-enhancing bronze surface. Sinter FE is selected for long-term self-lubrication behavior through a sintered structure. Bronze with solid graphite rings further improves dry-running or mixed-lubrication performance by adding graphite at the sliding interface.

All variants share the same hardness target: 50–54 HRC, designed to balance wear resistance with sufficient toughness for guide applications. Higher hardness supports reduced abrasive wear, while staying in the 50–54 HRC window helps avoid excessive brittleness under guide loading. Heat treatment state is specified as a hardened construction for consistent performance.

Choose bronze-coated C40 for conventional guided motion with external or boundary lubrication.
Choose sintered FE when self-lubricating operation is preferred.
Choose graphite-ring bronze for stronger sliding stability in less lubricated conditions.

📐Sizing & Selection Guide+

Selection starts with matching the diameter D and the length L to your mold’s guide design. This series is available with L = 35, 42, 52, 65, or 80 mm and D = 19–80 mm.

To size correctly, identify whether your cavity/core needs a short-height guide element and then align the bushing length with the available guide bore depth plus clearance for proper seating. Next, match the bushing D to the corresponding guide plate or support bushing bore specification so the leader system maintains alignment during stroke.

Fit considerations: maintain the intended guide clearance between the leader and bushing in your drawing set; the hardened guide surface is meant for stable sliding rather than interference fits.
Retention option: the alteration option specifies Without DFC Retaining Clamp or With DFC Retaining Clamp, which affects how secure the bushing remains under load and how it is installed.
Standard compatibility: ISO 9448-6 compliance supports use in standard die assemblies when your cavity/core layout follows the same dimensional intent.

Frequently Asked Questions

Which material option (C40/Bronze, Sinter FE, or Bronze with graphite rings) is best for long-term lubrication in guide systems?+

If you need self-lubricating operation, select the Sinter FE variant. For improved boundary or less-lubricated sliding stability, the Bronze with solid graphite rings option adds graphite directly at the interface. The C40 / Bronze choice is well-suited when conventional lubrication is available and you want bronze-enhanced wear performance.

What hardness and wear performance should I expect from ISO 9448-6 guide bushings with collar (short height)?+

This series specifies a hardened construction at 50–54 HRC with DB ≥ 180. That combination is intended to resist wear under production loads while maintaining acceptable toughness for guide motion.

How do I choose the correct length L for the short-height guide bushing in my mold guide bore?+

Use the available L options: 35, 42, 52, 65, and 80 mm to match the available seating depth in the guide plate or support. For short-height designs, the goal is to fully seat the bushing while leaving the necessary clearance for stable leader movement. Confirm that your cavity/core layout provides adequate support length so the collared geometry can retain alignment through cycling.

Can this guide bushing be supplied with or without a retaining clamp, and how does it affect installation?+

Yes. The series offers alteration options: Without DFC Retaining Clamp or With DFC Retaining Clamp. Using the clamp typically improves retention under guide loads, which can matter for high-cycle or high-side-load molding scenarios.

Are the bushings compatible with standard die assemblies based on ISO 9448-6?+

Yes. The product is specified as an ISO 9448-6 guide bushing with collar in short height, which supports straightforward integration into standard die assemblies designed around the same dimensional intent. When selecting a diameter D = 19–80 mm, match it to the leader and guide bore dimensions used in your ISO-based layout.