Cap G 3/8" (3/8" BSP) Hydraulic

G3/8" Threaded Hydraulic Cap – Print It, Use It, Love It!

Ditch the heavy, expensive metal caps and upgrade to this smart, precision-designed G3/8" threaded hydraulic cap. Engineered for a snug, leak-free fit, it locks in place without annoying play or gaps, keeping your setup secure and reliable.

Optimized for 3D printing, this cap shines when made in ABS, PETG, or any high-layer-adhesion polymer. Want to try PLA? Go for it—just handle it with care for best results.

Whether you’re maintaining, prototyping, or customizing your system, this cap delivers lightweight strength, lower costs, and the freedom to print it anytime you need one. Once you try it, you’ll wonder why you ever bought metal caps in the first place!