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The Japanese Standard Cooling Water Joint Internal Hexagonal Hole Nipple is a high-performance component engineered to meet the strict standards of mold cooling systems. Designed following Japanese industrial norms, this nipple features an internal hexagonal hole design that saves valuable space in mold assemblies. Made of durable H59 brass, it offers excellent wear resistance and corrosion protection, ensuring long-term reliability in harsh industrial environments. With a 10.9mm outer diameter, it achieves full interchangeability with existing brass hose nipples in molds and dies, making it a cost-effective upgrade option for your cooling system.
The internal hexagonal hole allows for tool-free installation and removal using a hex wrench. This compact design eliminates the need for extra space around the joint, optimizing mold layout.
Constructed from H59 brass, the nipple boasts superior durability, high strength, and resistance to wear and corrosion. This ensures a long service life even under continuous use in cooling systems.
Each nipple is processed by advanced CNC lathes, guaranteeing tight dimensional tolerances and consistent quality. This precision ensures a perfect fit and reliable performance in every application.



This Japanese Standard Cooling Water Joint is ideal for precision molds used in the production of electronic components and automotive parts. Its space-saving design and precise temperature control help maintain product dimensional accuracy.
In die and tool manufacturing, the nipple efficiently circulates coolant to keep tools at optimal temperatures. This reduces thermal deformation and improves machining accuracy.
It is fully compatible with Misumi quick couplings, making it a versatile choice for manufacturers who use Misumi mold components in their production lines.
While it is designed to meet Japanese standards, the Internal Hexagonal Hole Nipple can be adapted to non-Japanese systems with matching thread sizes. Please consult our technical team for compatibility verification.
This nipple performs optimally in mold cavity surface temperatures ranging from 20°C to 90°C, which is the typical operating range for water-based cooling systems.
Yes, we provide thread size customization services to meet the specific requirements of your mold or cooling system. Contact our sales team for more details on customization options.