# PC4 M6 connector, 4mm, Yellow

> PC4 pneumatic connector with M6 thread, for PTFE tubing with 4 mm outer diameter, used in the filament feeding system of 3D printers, typically mounted in the extruder pusher. Compact body, thread outer diameter 6 mm, yellow finish for quick identification. Reference 93-1.

- Page: https://sigmanortec.ro/en/pc4-m6-connector-4mm-yellow
- Price: 2.59 RON
- Availability: In stock; 1-2 zile
- Reference: 93-1 · EAN: 5949420698150
- Category: 3D and CNC printers > Components and Parts > Pneumatic Fittings
- Package (shipping data): 0.005 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 03:39 (Europe/Bucharest)

## Description

Pneumatic connector with M6 thread for 3D printer filament supply systems, ideal for pusher mounting, ensures quick and firm clamping of 4 mm PTFE tube, compact body with 6 mm thread outer diameter for easy integration, yellow finish for quick identification, stable and precise connection.
PC4 pneumatic connector suitable for PTFE tubes with an outer diameter of 4mm for 3D printers.
In general, the connector with M6 thread fits into the filament feeder, while the M10 fits into the e3d print head assembly.
Specifications:
Thread: M6
Connector type: Pneumatic
Allows passage of 4mm tube: NO
Connector guide:
Variants:
- Outer diameter PC4-M5: 6mm
- Outer diameter thread PC4-M6: 6mm (allows passage of Teflon tube)
- Outer diameter thread PC4-01: 9.5mm