QC One Global Limited
Connector M5 & M Series Connector Solutions
Customized connectors and cable assemblies
from prototype to volume production -- reliably supported
From M5/M8/M12 to M16/M23/7/8" -- we support selection, customization, sampling, and stable volume supply from one reliable partner.
Talk directly with engineers. No obligation.
M5 Product Showcase
M5 Male Panel Mount
Front mount
M5 Female Panel Mount
Back mount
M5 Female Cable
Panel mount
M5 Male Cable
Panel mount
M5 Male Molding
Cable assembly
M5 Female Molding
Cable assembly
What Most M-Series Connector Projects Need to Consider
M5, M8, M12, M16 and M23 connectors may look similar, but reliability depends on how they are applied in the system.
! Real-World Engineering Problems
M5 chosen for compact design, but current rating is underestimated
M8/M12 connectors fail under vibration or repeated movement
Wrong coding or pin layout causes mis-mating during installation
Cable bending stress near connector leads to early failure
M-series parts sourced separately, no system-level validation
✓ What We Do for M Series Projects
Application-driven M-series selection
Cable assembly designed as part of the connector
bending radius, movement cycles, strain relief
Overmolding & sealing tailored to environment
oil, coolant, vibration, washdown, medical cleaning
Prototype & small-batch support
validate performance before volume production
One-partner integration
M-series connectors + cable assemblies tested as a system
We don't just sell M-series connectors.
We help ensure they work reliably in real applications.
A Reliable Partner Behind Your Connector Projects
Real engineering support, quality control, and stable supply chain for your M-series connector requirements.