SMC Push-Fit Adapter Fitting: 4 mm OD x 1/4 in Pipe Size, Push-to-Connect x BSPT
The SMC Push-Fit Adapter Fitting (MPN KQ2H04-02AS) is a push-to-connect x BSPT brass fitting for 4 mm OD tubing and 1/4" pipe size. It provides a secure, leak-free connection in pneumatic systems, backed by SMC's…
SKU 3G-OTH-489365
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Product Description
The SMC Push-Fit Adapter Fitting (MPN KQ2H04-02AS) is a push-to-connect x BSPT brass fitting for 4 mm OD tubing and 1/4" pipe size. It provides a secure, leak-free connection in pneumatic systems, backed by SMC's precision engineering.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the SMC KQ2H04-02AS push-fit adapter fitting used for?
The SMC KQ2H04-02AS is a push-to-connect x BSPT brass adapter fitting used in pneumatic systems to connect 4 mm OD tubing to a 1/4" pipe port. It provides a secure, leak-free joint in industrial automation, packaging, and material handling applications where reliable air-line connections are critical.
What are the specifications of the SMC KQ2H04-02AS fitting?
The SMC KQ2H04-02AS is a brass push-to-connect x BSPT adapter fitting. It accepts 4 mm OD tubing and has a 1/4" thread size (BSPT). The manufacturer part number is KQ2H04-02AS. It is designed for pneumatic systems requiring a compact, corrosion-resistant connection.
Where to buy the SMC KQ2H04-02AS fitting worldwide?
3G Electric supplies the SMC KQ2H04-02AS push-fit adapter fitting to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial sourcing partner, we provide genuine SMC components for pneumatic systems across multiple industries.
How to install the SMC push-to-connect fitting?
To install the SMC KQ2H04-02AS, cut the 4 mm OD tubing square and deburr the end. Push the tubing fully into the fitting until it clicks. For the BSPT thread, apply PTFE tape to the 1/4" male thread and tighten to the port. Ensure the release collet is not depressed during insertion.
Used in
Common applications for SMCSMC Products
3G Electric supplies SMC polybutylene & brass tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









