{"product_id":"mini-pneumatic-pc-pl-fitting-m3-m4-m5-m6-male-thread-3-4-6mm-tube","title":"Mini Pneumatic Push-In Fitting PC\/PL – M3\/M4\/M5\/M6 Male Thread, 3\/4\/6mm Tube OD Screw-Through Quick Connector","description":"\u003ch2\u003eMini Pneumatic Push-In Fitting PC\/PL – M3\/M4\/M5\/M6 Male Thread, 3\/4\/6mm Tube OD\u003c\/h2\u003e\n\n\u003cp\u003eMiniature pneumatic push-in fittings for compact cylinder, valve, and instrument air circuits where standard G1\/8” or G1\/4” threaded fittings are physically too large. The M3, M4, M5, and M6 metric thread sizes are used on miniature pneumatic cylinders (MAL, MA series), micro solenoid valves, and precision instrument air ports where the port thread is smaller than the standard BSP\/NPT range. PC series = straight push-in to male thread; PL series = 90° elbow push-in to male thread.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e PC (straight) and PL (90° elbow)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M3, M4, M5, M6 metric male thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTube OD:\u003c\/strong\u003e 3mm, 4mm, 6mm (select above)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Brass or nickel-plated brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Pressure:\u003c\/strong\u003e 0–1.0 MPa (0–145 PSI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 0°C to +60°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Compressed air, water, light non-corrosive fluids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eM5 Thread — The Pneumatic Micro-Standard\u003c\/h3\u003e\n\u003cp\u003eM5 is the most common thread size in miniature pneumatics — used on the majority of compact cylinders (bore 6–16mm), micro solenoid valves, and miniature flow control valves. Key facts:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eM5 × 0.8mm pitch — fine thread, requires care not to cross-thread\u003c\/li\u003e\n  \u003cli\u003eStandard port depth: 4–6mm — use short-body fittings to avoid bottoming out\u003c\/li\u003e\n  \u003cli\u003eTypical torque: 0.3–0.5 Nm — hand-tight plus 1\/4 turn maximum; over-tightening strips the thread in aluminum cylinder bodies\u003c\/li\u003e\n  \u003cli\u003eSealing: M5 fittings seal via the O-ring on the fitting shoulder (face seal) — do not use PTFE tape on M5 threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePC vs PL — Straight vs Elbow Selection\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePC (straight):\u003c\/strong\u003e Tube exits along the fitting axis. Best when there is clearance above the port for the tube to run straight. Lowest profile at the port.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePL (90° elbow):\u003c\/strong\u003e Tube exits perpendicular to the fitting axis. Essential when the cylinder or valve is mounted close to a panel, wall, or adjacent component. Prevents tube kinking at the port exit. Required for side-ported cylinders in tight installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Questions Does This Product Answer?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cem\u003e\"What fitting do I need for an M5 port on a mini cylinder?\"\u003c\/em\u003e — PC-M5 (straight) or PL-M5 (elbow) with the tube OD matching your tubing: 3mm OD for 2mm ID tube, 4mm OD for 2.5mm ID tube. Verify tube OD — not ID — when selecting the fitting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cem\u003e\"Can I use PTFE tape on M5 pneumatic fittings?\"\u003c\/em\u003e — No. M5 push-in fittings seal via a face O-ring on the fitting shoulder. PTFE tape on M5 threads alters the thread engagement depth and can prevent the O-ring from seating correctly, causing leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cem\u003e\"What is the difference between M5 and G1\/8” pneumatic ports?\"\u003c\/em\u003e — M5 is a metric thread (5mm diameter, 0.8mm pitch) used on miniature components. G1\/8” is a BSP parallel thread (9.7mm diameter) used on standard-size pneumatic components. They are not interchangeable. M5 ports are physically much smaller than G1\/8” ports.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cem\u003e\"What tube size should I use with M5 fittings?\"\u003c\/em\u003e — M5 fittings are available for 3mm and 4mm OD tube. 3mm OD (2mm ID) is standard for miniature circuits with flow rates below 10 L\/min. 4mm OD (2.5mm ID) provides slightly higher flow for faster cylinder actuation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMiniature cylinders:\u003c\/strong\u003e MAL, MA, CJ2 series compact cylinders with M5 ports\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicro solenoid valves:\u003c\/strong\u003e 2-way and 3-way miniature valves with M3–M5 ports\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision instruments:\u003c\/strong\u003e Analytical equipment air supply, laboratory gas distribution, medical device pneumatics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobotics:\u003c\/strong\u003e End-of-arm tooling vacuum circuits, gripper air supply, compact actuator connections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3D printing:\u003c\/strong\u003e Extruder cooling circuits, pneumatic filament cutters, enclosure pressure control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cp\u003e1 × Mini pneumatic push-in fitting (series, thread size, and tube OD as selected above).\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"PC3-M4 \/ 50 pcs","offer_id":47850744938741,"sku":"14:201441572#PC3-M4;183:202360807#50 pcs","price":114.24,"currency_code":"USD","in_stock":true},{"title":"PC3-M4 \/ 200 pcs","offer_id":47850745594101,"sku":"14:201441572#PC3-M4;183:202360808#200 pcs","price":388.47,"currency_code":"USD","in_stock":true},{"title":"PC3-M4 \/ 10 pcs","offer_id":47850744873205,"sku":"14:201441572#PC3-M4;183:202360806#10 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