{"product_id":"pc-pneumatic-straight-push-in-fitting-4-12mm-bspt-thread-air-hose-quick-connector-10-50pcs","title":"PC Pneumatic Straight Push-In Fitting – 4\/6\/8\/10\/12mm Tube, 1\/8”–1\/2” BSPT Thread, Air Hose Quick Connector, 10\/50pcs","description":"\u003ch2\u003ePC Pneumatic Straight Push-In Fitting – 4–12mm Tube, 1\/8”–1\/2” BSPT Thread, Air Hose Quick Connector\u003c\/h2\u003e\n\n\u003cp\u003ePC-series straight push-to-connect fittings with male BSPT thread — the most common pneumatic fitting type for connecting tubing to threaded ports on cylinders, valves, manifolds, FRL units, and pneumatic equipment. The male BSPT thread screws into the equipment port; the tube inserts into the push-in collet on the opposite end. Available in all standard tube OD sizes (4–12mm) and BSPT thread sizes (1\/8” to 1\/2”). Bulk packs of 10 or 50 pieces for workshop stock and production use.\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 push-in to male BSPT thread)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTube OD:\u003c\/strong\u003e 4mm, 6mm, 8mm, 10mm, 12mm (select above)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/8”, 1\/4”, 3\/8”, 1\/2” BSPT male (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 0–1.5 MPa (0–218 PSI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e -20°C to +80°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Compressed air, water, light oil\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 or 50 pieces (select above)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePC Fitting Designation System\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePC4-01:\u003c\/strong\u003e 4mm tube, 1\/8” BSPT thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePC6-02:\u003c\/strong\u003e 6mm tube, 1\/4” BSPT thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePC8-02:\u003c\/strong\u003e 8mm tube, 1\/4” BSPT thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePC8-03:\u003c\/strong\u003e 8mm tube, 3\/8” BSPT thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePC10-03:\u003c\/strong\u003e 10mm tube, 3\/8” BSPT thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePC12-04:\u003c\/strong\u003e 12mm tube, 1\/2” BSPT thread\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eFirst number = tube OD in mm; last two digits = thread size (01=1\/8”, 02=1\/4”, 03=3\/8”, 04=1\/2”)\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eBSPT vs NPT — Are they interchangeable?\u003c\/h4\u003e\n\u003cp\u003eNo. BSPT (British Standard Pipe Taper) and NPT (National Pipe Taper, American standard) have different thread angles: BSPT uses a 55° thread angle; NPT uses a 60° thread angle. They have the same taper rate (1:16) and similar thread pitch, so they may partially engage but will not seal correctly. Forcing BSPT fittings into NPT ports (or vice versa) damages the threads and creates a leak path. Always verify the port thread standard before selecting fittings. Most Chinese and European pneumatic equipment uses BSPT; most American equipment uses NPT.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need PTFE tape on PC fittings?\u003c\/h4\u003e\n\u003cp\u003eYes, on the BSPT thread. Apply 2–3 wraps of PTFE tape in the direction of thread rotation (clockwise when viewed from the thread end), starting from the second thread. The push-in collet end requires no sealant — it seals via the internal O-ring. Do not apply PTFE tape to the first thread — tape on the first thread can be pushed into the port and contaminate the pneumatic circuit.\u003c\/p\u003e\n\n\u003ch4\u003eHow many turns should I tighten a PC fitting?\u003c\/h4\u003e\n\u003cp\u003eHand-tight plus 1.5–2 turns with a wrench. BSPT threads seal on the taper — overtightening cracks the fitting body or strips the port thread. Undertightening causes leaks. For brass fittings in aluminum ports, be especially careful not to overtighten — aluminum threads strip easily. Use a torque wrench if available: typical torque for 1\/4” BSPT brass fitting in aluminum = 15–20 N·m.\u003c\/p\u003e\n\n\u003ch4\u003eWhy buy 50 pieces instead of 10?\u003c\/h4\u003e\n\u003cp\u003ePC fittings are consumable items in pneumatic systems — they are replaced when the collet wears out (reduced tube retention force) or when the O-ring fails (air leak at the tube entry). Workshop stock of 50 pieces eliminates downtime from reordering during machine maintenance. For production environments using the same tube size and thread size throughout, 50-piece packs provide the lowest cost per fitting and ensure availability for scheduled maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePneumatic cylinders:\u003c\/strong\u003e Port connections on MAL, MA, SC, and standard bore cylinders\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolenoid valves:\u003c\/strong\u003e Work port connections on directional control valves\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFRL units:\u003c\/strong\u003e Filter-regulator-lubricator outlet connections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir compressors:\u003c\/strong\u003e Outlet port tube connections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial machinery:\u003c\/strong\u003e General pneumatic circuit tube-to-port connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cp\u003e10 or 50 pieces (select above) — PC straight push-in fittings (tube OD and thread size as selected). PTFE tape not included.\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"PC4-01 \/ 10 PCS","offer_id":47850622779637,"sku":"14:10#PC4-01;183:202360806#10 PCS","price":20.55,"currency_code":"USD","in_stock":true},{"title":"PC4-01 \/ 50 PCS","offer_id":47850622812405,"sku":"14:10#PC4-01;183:202360807#50 PCS","price":51.42,"currency_code":"USD","in_stock":true},{"title":"PC4-01 \/ 100 PCS","offer_id":47850622845173,"sku":"14:10#PC4-01;183:202360808#100 PCS","price":77.14,"currency_code":"USD","in_stock":true},{"title":"PC4-02 \/ 10 PCS","offer_id":47850622877941,"sku":"14:173#PC4-02;183:202360806#10 PCS","price":34.51,"currency_code":"USD","in_stock":true},{"title":"PC4-02 \/ 50 PCS","offer_id":47850622910709,"sku":"14:173#PC4-02;183:202360807#50 PCS","price":86.31,"currency_code":"USD","in_stock":true},{"title":"PC4-02 \/ 100 PCS","offer_id":47850622943477,"sku":"14:173#PC4-02;183:202360808#100 PCS","price":129.47,"currency_code":"USD","in_stock":true},{"title":"PC4-M5 \/ 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