Ball Lock Die Buttons - Metric

Ball lock die buttons (metric) are used as precision, repeatable fasteners in injection mold tooling where you need stable clamping and fast assembly between maintenance cycles. The ball-lock retention feature helps resist loosening under repeated load, making them suitable for high-cycle die work and production line setups.

• Automotive connector and terminal molds: In cavity/block assemblies that experience vibration and frequent shutoff/open cycles, the secure ball-lock helps maintain consistent alignment and positioning during operation.
• Medical device housings and small-part molds: For compact tooling with tight assembly tolerances, controlled dimensional build supports reliable installation and consistent tip engagement, reducing variability during reassembly.
• Progressive die fixtures and assembly jigs: When operators require quicker maintenance and tool changes, the ball-lock mechanism enables faster mounting while keeping load-bearing stability.

Choose this metric variant to match standardized die/button layouts, with available tip shapes (round/rectangle/oblong/double-flatted/radius rectangle) to suit different contact geometries and wear patterns at the tooling interface.

The provided product data specifies dimensions and tip geometry for metric ball lock die buttons, but it does not list the steel grade, hardness (HRC), or any heat treatment state (e.g., quenched & tempered, nitrided). As a result, material-property claims like wear resistance, toughness trade-offs, or exact HRC cannot be stated from the available information.

For engineer verification, confirm the steel grade and heat treatment documentation from the manufacturer’s technical sheet for this series code 110100139560-138. This information is critical because hardness and surface treatment directly affect galling resistance at the tip contact and long-term dimensional stability under high-cycle clamp loads.

• What to request: steel grade designation, target hardness range (HRC), and any surface treatments (e.g., nitriding, plating).
• Why it matters: higher hardness typically improves wear resistance, while lower toughness can increase chipping risk at corner radii depending on tip shape and load conditions.

Correct selection is driven by matching the outer diameter and the installed length/alteration to the die/button pocket geometry. Use the D (outer diameter) options in the range of 13, 16, 20, 25, 32, 38 mm to fit the mating pocket or clearance features in your tooling.

• Fixed length: L = 40 mm is fixed for this series.
• Full length alteration: choose LC = 33 ～ 39.9 mm to set the working height/engagement depth. (The input lists the same range as “33 ��� 39.9”, which should be treated as a formatting variation of 33 to 39.9.)
• Tip dimensions: select P = 2.5 ～ 19 mm and the corresponding tip geometry parameters PC (alteration) = 1.25 ～ 26 mm, plus R (tip corner radius) = 0.15 ～ 2.59 up to variants as high as 0.15 ～ 13.09 mm, and W (tip width/size) = 2.5 ～ 5 up to 5 ～ 26 mm, depending on the chosen tip shape.

For fit, verify how the tip shape mates to the die cavity/core contact surface (round vs. rectangle vs. oblong vs. double-flatted/radius rectangle) and ensure your pocket tolerances can accommodate the selected alterations (LC, PC, WC) for repeatable alignment.