Custom Automotive Crimper Suppliers & Service

Every custom automotive crimper die is developed around specific terminal metallurgy and cross-section parameters. We evaluate terminal crimp cross-sections using micro-graphical analysis to measure compacting ratio (target > 85%), absence of voids, uniform conductor strand distribution, and correct curl geometry of the terminal wings. Furthermore, pull-out retention force testing is verified against USCAR-21 values before tool release.

An F-crimp (or B-crimp) is typically used for open-barrel sheet metal contacts (such as in the SN-48B or SO-04B Pro), where two separate crimping jaws curl the terminal wings inward through the stranded wire core to achieve high mechanical pull-out force. In contrast, a Hexagonal crimp (such as the SO 16-6 series) applies equal radial compression from six moving segments across a tubular terminal or ferrule, creating a symmetrical, gas-tight bond with minimal external profile footprint.

Yes. Our in-house Yueqing engineering department specializes in custom die fabrication. By providing terminal technical drawings, terminal strip samples, and wire gauge specifications, our team utilizes high-speed Wire-EDM tooling to generate prototypes within 10 to 14 business days, complete with test reports on crimp height, width, and tensile pull-force performance.

All SIBO Pro-series ratchet crimpers include a calibrated eccentric pressure adjustment wheel. In high-volume industrial environments (approx. 500+ crimps per day), we recommend verifying crimp height with digital micrometers weekly and performing pin/pivot lubrication with high-grade synthetic machine oil every 10,000 cycles. When die wear approaches ±0.03 mm beyond the initial tolerance baseline, the eccentric wheel can be recalibrated to compensate for mechanical wear.

For standard factory configurations with custom laser-etched branding and customized handle color palettes, typical MOQs start at 500 units per model. For bespoke die profiles requiring new tooling development, initial runs start at 1,000 units. Standard production lead times average 25–35 days from sample verification, with express sample validation available within 7–10 days.