Year 26 Date Mark Pin Sets Concave Outside Rings

This Year 26 date mark pin set is used in injection mold tooling and secondary marking fixtures where a plate side exchange system needs rapid, repeatable date indication during production changeovers.

• Plate side exchange date inserts: In multi-cavity molds or downstream assembly housings, the press-fit mounting helps hold the pin set stable so the date impression depth remains consistent when the outside ring plate is swapped.
• Automotive and industrial labeling features: The concave outside ring character form improves legibility of the Year 26 / month / day digits, supporting clear traceability on molded parts without requiring retooling of the full insert set.
• High-frequency manufacturing line maintenance: When production schedules require frequent updates, the plate side exchange type and beveled outer ring corner taper support reliable marking while minimizing downtime.

The concave outside ring variant is suited to these applications because it drives controlled mark formation and supports accurate, readable characters after repeated plate exchange cycles.

The provided specifications for this product focus on date/character formation and press-fit plate side exchange, and do not define a particular steel grade or heat-treatment state (e.g., quenched & tempered, nitrided) or hardness (HRC).

• Material selection: No steel grade (such as SKD61/H13, SKH51/M2, etc.) is specified in the input data, so hardness-to-wear performance trade-offs cannot be stated factually.
• Manufacturing process notes: Because the key functional features are the concave outside ring character form and press-fit mounting retention, the manufacturing emphasis is on dimensional accuracy of engraving/callout geometry and consistent seating for controlled marking depth.
• Heat treatment: No heat treatment condition is supplied; therefore nitriding/carburizing or pre-hardened states cannot be confirmed from the provided data.

If you share the desired operating conditions (cycle count, abrasive environment, target marking force), we can recommend an appropriate tool steel and heat treatment matched to wear and toughness needs.

Select the correct pin set geometry by matching the outside ring parameters to the required mold-side marking cavity/core and the intended character footprint.

• Inside arrow exchange / type: This item is fixed as plate side exchange type; ensure your mold or insert plate supports the exchange interface.
• Outside diameter D: Choose D = 3 ~ 20 mm to match the available bore/seat diameter in your date marking insert housing.
• Indication content: The year is fixed to 26; the month/day are configured by the outside ring character designation. Verify the selected outside ring character capacity: 1 ~ 12 specified characters.
• Month encoding: Month indication uses X/Y/Z or 10/11/12 patterns—confirm which scheme your marking plate requires.
• Fit and tolerance: As the mounting is press-fit type, seat diameter and bore tolerance must be coordinated so the pin set achieves stable positioning and controlled marking depth without excessive stress or loosening during plate exchange.

Because tolerance values are not provided in the input data, verify fit using your press-fit standard and test-mark the first try to confirm readability and depth repeatability.