Ball Lock Square Retainers - Light Duty, Inch
Ball Lock Square Retainers - Light Duty, Inch provide a compact, latch-style way to secure punch components in modular tooling. Built for light-duty applications where fast positioning and reliable retention matter.
- Square retainer geometry supports stable punch mounting during indexing
- Ball-lock retention design helps maintain consistent part hold-down
- Fits light-duty inch tooling; applicable punch diameter range 25–175 in
- Common for industrial punch press tooling that needs quick, repeatable setups
Specifications
10 configurations available
| D (Applicable punch dia.) (in) |
|---|
| 25 (0.2500") |
| 37 (0.3750") |
| 50 (0.5000") |
| 62 (0.6250") |
| 75 (0.7500") |
| 87 (0.8750") |
| 100 (1.0000") |
| 125 (1.2500") |
| 150 (1.5000") |
| 175 (1.7500") |
Product Guide
Application Scenarios+
These light-duty ball-lock square retainers are used in modular injection and tooling setups where quick indexing and repeatable retention are required. The latch-style ball locking helps hold punch-mounted components securely during normal press motions, reducing the risk of micro-shifts during part handling.
- Industrial latch-style punch modules: In applications that rely on quick changeovers, the square retainer geometry supports stable component mounting during indexing, while the ball-lock mechanism maintains consistent hold-down.
- General-purpose fabrication tooling: When securing components to support fixtures or tooling plates, this variant is suited for inch-system tooling and is intended for the specified inch punch diameter window.
Because this version is specifically for inch punch diameters, it matches the tooling interface expectations and supports light-duty retention needs more efficiently than heavier-duty solutions.
Material & Process Details+
Specific steel grade, hardness (HRC), and heat treatment state are not provided in the supplied product data. As a result, only the material-related guidance below can be stated with confidence: selecting a retainer steel and heat treatment should prioritize wear resistance at the ball interface and adequate toughness to resist chipping during repeated engagement cycles.
- Heat treatment (selection basis): For ball-lock components, manufacturers commonly use hardened-and-tempered conditions or surface strengthening (e.g., nitriding) to improve sliding wear performance.
- Hardness vs. toughness trade-off: Higher hardness improves wear resistance at the contact points, but excessive hardness can reduce impact toughness and increase sensitivity to shock loads.
- What to verify: Confirm the actual grade and achieved hardness/HRC on the part drawing before finalizing a tooling design for your cycle rate and load profile.
If you share the technical drawing/material spec for SKU 250301834614, we can tailor this section to the exact grade and heat-treatment parameters.
Sizing & Selection Guide+
Use the retainer’s applicable punch diameter range to ensure correct fit with your punch tooling. For this light-duty inch series, the specified applicable punch diameter (D) is 25–175 in.
- Step 1—Match punch diameter: Select a retainer where your punch (measured at the relevant diameter) falls within D = 25–175 in. Choosing outside this range can lead to insufficient retention or interference during latch engagement.
- Step 2—Align with the square retainer interface: The square retainer geometry is intended to mount stably and maintain position during indexing; ensure your tooling interface planes align with the cavity/core tooling layout.
- Tolerance/fit considerations: If your system uses tight press-fit or indexing tolerances, confirm the retainer-to-punch fit specification on the drawing. Even when D is within range, tolerance stack-up can affect engagement force and retention consistency.
This series is based on fixed inch sizing defined by the D range; no alternate size tables were provided beyond 25–175 in.
Frequently Asked Questions
What punch diameter range does this ball-lock square retainer support?+
This light-duty inch series lists an applicable punch diameter (D) of 25–175 in. Verify your punch diameter is within this range to ensure proper ball-lock engagement and retention.
Is this retainer intended for inch tooling only, or does it support metric punches as well?+
The product specification is explicitly for light-duty, inch tooling. No metric compatibility range is provided in the available data, so sizing should be confirmed against your inch-system punch diameter.
How does the square retainer geometry affect indexing and retention during tooling changes?+
The square retainer geometry is designed to support stable punch mounting during indexing. Combined with the ball-lock retention design, it helps maintain consistent hold-down when the tooling components are repositioned for repeated setups.
What material grade and hardness (HRC) is used for the ball-lock mechanism?+
The supplied product data does not include the steel grade, hardness (HRC), or specific heat-treatment state. To select for wear resistance and toughness at the ball interface, you should request the part drawing/material cert for SKU 250301834614.
If my punch diameter is near the upper end (e.g., close to 175 in), what fit risks should I check?+
First confirm the punch diameter is still within D = 25–175 in. Then verify the engagement/retention fit tolerances from the drawing, because tolerance stack-up can influence latch engagement force and the consistency of the hold-down during cycling.
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