
Copper Alloy Wring Fit Plain Guide Bushings for Die Sets
Wring fit plain guide bushings for die sets (copper alloy) from Lamina provide dependable alignment and stability by reducing wear in die-set operation. Their shock-absorbing design helps maintain consistent motion without compromising throughput.
- Wring fit mounting supports rigid guide alignment for die sets
- Built from copper alloy with durable wear-resistant performance
- Supports precise installation with ground or unground finish options
- Plated, self-lubricating, or solid bronze types suit diverse press conditions
Specifications
210 configurations available
| Bushing Type | d (Bushing inner diameter) (in) | D2 (Outer diameter) (in) | L (Length) (in) | Type | Ground / Unground | Class |
|---|---|---|---|---|---|---|
| [Copper alloy] Bronze plated | 1 | 1.5 | 2.875 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 1 | 1.5 | 2.875 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 1 | 1.5 | 1.875 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 1 | 1.5 | 1.875 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 1-1/4 | 1.75 | 3.375 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 1-1/4 | 1.75 | 3.375 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 1-1/4 | 1.75 | 2.375 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 1-1/4 | 1.75 | 2.375 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 1-1/2 | 2 | 3.375 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 1-1/2 | 2 | 3.375 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 1-1/2 | 2 | 2.375 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 1-1/2 | 2 | 2.375 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 1-3/4 | 2.25 | 3.875 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 1-3/4 | 2.25 | 3.875 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 1-3/4 | 2.25 | 2.875 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 1-3/4 | 2.25 | 2.875 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 2 | 2.5 | 3.875 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 2 | 2.5 | 3.875 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 2 | 2.5 | 2.875 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 2 | 2.5 | 2.875 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 2-1/2 | 3 | 5 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 2-1/2 | 3 | 5 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 2-1/2 | 3 | 4 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 2-1/2 | 3 | 4 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 2-1/2 | 3 | 3 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 2-1/2 | 3 | 3 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 3 | 3.5000 | 6 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 3 | 3.5000 | 6 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 3 | 3.5000 | 5 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 3 | 3.5000 | 5 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 3 | 3.5000 | 4 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 3 | 3.5000 | 4 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 3/4 | 1.125 | 2.313 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 3/4 | 1.125 | 2.313 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 3/4 | 1.125 | 1.563 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 3/4 | 1.125 | 1.563 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 7/8 | 1.375 | 2.313 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 7/8 | 1.375 | 2.313 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 7/8 | 1.375 | 1.563 | Bronze plated | Ground | 2 |
| [Copper alloy] Bronze | 7/8 | 1.375 | 1.563 | Solid bronze | Ground | 2 |
| [Copper alloy] Bronze plated | 1 | 1.5 | 2.875 | Bronze plated | Ground | 1 |
| [Copper alloy] Bronze | 1 | 1.5 | 2.875 | Solid bronze | Ground | 1 |
| [Copper alloy] Bronze plated | 1 | 1.5 | 1.875 | Bronze plated | Ground | 1 |
| [Copper alloy] Bronze | 1 | 1.5 | 1.875 | Solid bronze | Ground | 1 |
| [Copper alloy] Bronze plated | 1-1/4 | 1.75 | 3.375 | Bronze plated | Ground | 1 |
| [Copper alloy] Bronze | 1-1/4 | 1.75 | 3.375 | Solid bronze | Ground | 1 |
| [Copper alloy] Bronze plated | 1-1/4 | 1.75 | 2.375 | Bronze plated | Ground | 1 |
| [Copper alloy] Bronze | 1-1/4 | 1.75 | 2.375 | Solid bronze | Ground | 1 |
| [Copper alloy] Bronze plated | 1-1/2 | 2 | 3.375 | Bronze plated | Ground | 1 |
| [Copper alloy] Bronze | 1-1/2 | 2 | 3.375 | Solid bronze | Ground | 1 |
Product Guide
Application Scenarios+
Plain guide bushings like this wring-fit variant are used inside die-set leader systems where the bushing must keep moving components aligned under repeated press cycles. The wring-fit design helps establish a stable guide relationship, reducing lateral play that can lead to misalignment, uneven shut height, and early wear.
In automotive stamping die sets, bronze-plated or solid copper alloy guides support consistent leader motion while handling abrasive debris from the press shop. The material selection is suited to wear-critical interfaces, helping maintain smooth travel and repeatable part positioning.
For electronics and appliance housings that rely on fine blanking or forming dies, the available ground vs. unground finish supports engineers choosing between faster installation fit or tighter guided behavior after final setup. Detachable or Loctite mounting approaches (per the product concept) also support maintenance in production environments.
- Use as a die-set guide bushing to stabilize leader/ejector motion and reduce wear
- Select bronze plated / solid bronze / self-lubricating types based on press contamination and lubrication strategy
- Match ground or unground finish to your die-set assembly and alignment goals
Material & Process Details+
This bushing is specified as a copper alloy guide bushing with selectable configurations: bronze plated, solid bronze, or self-lubricating. Copper alloy/bronze-based guides are commonly selected for their excellent wear resistance at the sliding interface between leaders and bushings, supporting stable motion over repeated cycles.
Because the provided data does not list an explicit steel grade, hardness, or heat-treatment state (e.g., quench & temper, nitriding), heat treatment cannot be asserted here. Instead, differences should be evaluated by the selected surface system:
- Bronze plated: emphasizes a wear-focused surface while allowing a cost-effective body approach.
- Solid bronze: maximizes uniform bronze contact properties for consistent wear behavior.
- Self-lubricating: prioritizes reduced friction and longer maintenance intervals in conditions where lubrication is difficult.
Trade-off note: plated and solid variants can differ in wear profile and long-term interface stability versus self-lubricating versions, which can reduce running-in wear but should be chosen for the specific lubrication/contamination environment.
Sizing & Selection Guide+
Select the wring-fit plain guide bushing by matching its inner diameter (d), outer diameter (D2), and length (L) to the leader and die-set guide pocket geometry. Available ranges are d = 1 ~ 7 in, D2 = 1.125 ~ 5.516 in, and L = 1.563 ~ 8 in.
Step-by-step:
- Match d (ID) to the leader diameter used in your die set so the bushing provides correct clearance and stable guidance through the stroke.
- Match D2 (OD) to the die-set bore or pocket diameter to ensure proper seating and minimize guide wobble.
- Match L (length) to the required bearing length for your alignment and load distribution needs; longer L generally improves guidance stability but requires adequate pocket depth.
Finish and class considerations: choose ground when you need more consistent guided behavior after assembly, or unground when final fit adjustment will occur during die-set setup. Confirm the specified class (1, 2, or 3) to align with your intended tolerance/fit strategy for leader-to-bushing motion.
Frequently Asked Questions
Which copper alloy configuration should I choose for a die-set leader guide: bronze plated, solid bronze, or self-lubricating?+
How do I size d, D2, and L for leader bushings in my die set?+
When should I specify ground vs. unground for wring fit plain guide bushings?+
What does the available class (1, 2, 3) mean for fit and alignment in these guide bushings?+
How do I confirm the bushing body will seat correctly in the die-set pocket?+
Need Custom Specifications?
Our engineering team can help with custom configurations, material selection, and volume pricing.





