M12 Connector Housing Electronics Injection Molding Service IP67 Waterproof Custom Mold

This electronics injection molding service manufactures M12 connector housings with IP67 waterproof protection, the workhorse interface of industrial automation, sensors and fieldbus systems. Housings are molded in PA66+GF30 for mechanical strength and dimensional stability, with TPU available for cable-end applications requiring flexibility and vibration resistance.

Our multi-cavity S136 tools produce consistent thread forms, sealing grooves and keyway geometry, and we support insert molding of gold-plated contacts for fully finished connector components.

• IP67 waterproof design: precision sealing grooves accept O-rings and gaskets for dust-tight, immersion-proof joints.
• PA66+GF30 strength: high rigidity and creep resistance keep coupling torque stable in harsh plant environments.
• Multi-cavity S136 tooling: 4-8 cavity molds deliver high volume at low unit cost.
• Insert molding capability: gold-plated pins and brass inserts are overmolded in controlled positions.
• UL94 V0 material: flame-retardant grades meet industrial safety requirements.
• Wide temperature range: parts operate from -40 to +85 deg C for demanding automation sites.

M12 connector housings molded by this service are used in proximity sensors, photoelectric sensors, servo drives, robotic arms, conveyor systems, process instrumentation and network infrastructure. IP67 sealing suits washdown food processing lines, outdoor machine tools and automotive test equipment where connectors face water, dust and vibration.

Xiamen KDT Technology Co., Ltd. has served the electronics and automation industries since 2007 with integrated mold making and injection molding. Our facility combines CNC, EDM, polishing and injection machines from 90 to 650 tons, operated by a team of 40 to 50 specialists. Exporting 80% to 90% of output, we partner with sensor and connector brands across Europe, the US and Asia.

For connector programs we provide DFM analysis of thread shut-offs, sealing groove tolerances and pin insertion, plus mold flow simulation to eliminate short shots in thin-wall sections. Insert molding is performed with automated pin loading fixtures and camera inspection of contact position. We also support cable assembly partners with molded backshells and strain relief components.

A German sensor manufacturer uses our 8-cavity mold for M12 female housings, producing 1.2 million pieces per year with IP67 testing on every batch. A robotics integrator in China adopted our TPU backshell molding for cable assemblies, eliminating a previous leak failure mode and reducing assembly time by 30%.

Housings are packed in anti-static bags with compartment cartons and humidity indicators for ocean freight. Every lot is inspected against golden samples with AQL 2.5 final inspection, and dimensional reports are provided. Contact our engineering team with your connector drawings for a fast quotation.