Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SMC Push-Fit Union Fitting: 4 mm OD x 4 mm OD Size, Push-to-Connect x Push-to-Connect - Polybutylene & Brass Tube Fittings
SMCPolybutylene & Brass Tube Fittings

SMC Push-Fit Union Fitting: 4 mm OD x 4 mm OD Size, Push-to-Connect x Push-to-Connect

The SMC Push-Fit Union Fitting (MPN KQ2H04-00A) is a push-to-connect x push-to-connect brass fitting in white, designed for 4 mm OD x 4 mm OD tubing. 3G Electric interprets your demand for pneumatic components and…

SKU 3G-OTH-489087

Brand
SMC
Item
Push-Fit Union Fitting: 4 mm OD x 4 mm OD Size, Push-to-Connect x Push-to-Connect
Category
Polybutylene & Brass Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SMC
Manufacturer Part Number
KQ2H04-00A
Type
Push-to-Connect x Push-to-Connect, Brass, White
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SMC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SMC Push-Fit Union Fitting (MPN KQ2H04-00A) is a push-to-connect x push-to-connect brass fitting in white, designed for 4 mm OD x 4 mm OD tubing. 3G Electric interprets your demand for pneumatic components and sources this genuine SMC fitting, backed by our specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is the SMC KQ2H04-00A push-fit union fitting used for?

The SMC KQ2H04-00A is a push-to-connect union fitting used to join two 4 mm OD pneumatic tubes in automation, packaging, and material handling systems. 3G Electric supplies this genuine SMC brass fitting, leveraging our specialist expertise across 14 industrial departments to support your pneumatic circuit needs.

What are the specifications of the SMC KQ2H04-00A fitting?

The SMC KQ2H04-00A is a push-to-connect x push-to-connect union fitting made of brass with a white finish. It connects two 4 mm OD tubes. The manufacturer part number is KQ2H04-00A. 3G Electric sources this genuine SMC component for pneumatic applications worldwide.

Where to buy the SMC KQ2H04-00A fitting worldwide?

3G Electric supplies the genuine SMC KQ2H04-00A push-fit union fitting to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this 4 mm OD brass fitting for your pneumatic system.

How to install the SMC KQ2H04-00A push-to-connect fitting?

To install the SMC KQ2H04-00A, cut the 4 mm OD tube square, push it firmly into the fitting until it stops, then pull gently to confirm secure locking. For removal, press the release collet and pull the tube out. 3G Electric provides this genuine SMC fitting for reliable pneumatic connections.

Used in

Common applications for SMC
Automotive assembly — SMC ZP3 flat vacuum pads for handling small components in pick-and-place robots
Semiconductor manufacturing — SMC ZM series vacuum generators with needle valves for precise wafer handling
Food packaging — SMC AW-D series filter regulators for clean compressed air in pneumatic actuators
General industrial automation — SMC AS2211F speed control valves for regulating cylinder speeds in conveyor systems
Vacuum conveying — SMC ZH series box-type vacuum generators for material transport in packaging lines
Machine tool coolant systems — SMC ZF series in-line filters to protect vacuum ejectors from debris

SMC 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SMC

View all SMC parts →
SMC Push-Fit Wye Fitting: 6 mm OD x 6 mm OD x 5 mm Pipe x 6 mm OD Size, 35 mm Overall Lg, White (MPN KQ2U06-M5A). Key specifications — Brand: SMC.
SMC
SMC Push-Fit Wye Fitting: 6 mm OD x 6 mm OD x 5 mm Pipe x 6 mm OD Size, 35 mm Overall Lg, White (MPN KQ2U06-M5A). Key specifications — Brand: SMC.
SMC Push-Fit Wye Fitting: 12 mm OD x 12 mm OD x 16 mm OD Size, Polybutylene Terephthalate, White (MPN KQ2U12-16A). Key specifications — Brand: SMC.
SMC
SMC Push-Fit Wye Fitting: 12 mm OD x 12 mm OD x 16 mm OD Size, Polybutylene Terephthalate, White (MPN KQ2U12-16A). Key specifications — Brand: SMC.
SMC Push-Fit Tee Fitting: 3/8 in OD x 3/8 in OD x 1/4 in Pipe x 3/8 in Pipe Size, White (MPN KQ2T11-02AS). Key specifications — Brand: SMC.
SMC
SMC Push-Fit Tee Fitting: 3/8 in OD x 3/8 in OD x 1/4 in Pipe x 3/8 in Pipe Size, White (MPN KQ2T11-02AS). Key specifications — Brand: SMC.
SMC Push-Fit Union Fitting: 6 mm OD x 6 mm OD Size, Push-to-Connect x Push-to-Connect, Brass, White (MPN KQ2H06-00A). Key specifications — Brand: SMC.
SMC
SMC Push-Fit Union Fitting: 6 mm OD x 6 mm OD Size, Push-to-Connect x Push-to-Connect, Brass, White (MPN KQ2H06-00A). Key specifications — Brand: SMC.
SMC Push-Fit Elbow Fitting: 12 mm OD x 1/2 in Pipe Size, Push-to-Connect x BSPT, Brass, White (MPN KQ2LF12-04A). Key specifications — Brand: SMC; Thread Size A: 1/2".
SMC
SMC Push-Fit Elbow Fitting: 12 mm OD x 1/2 in Pipe Size, Push-to-Connect x BSPT, Brass, White (MPN KQ2LF12-04A). Key specifications — Brand: SMC; Thread Size A: 1/2".
SMC Push-Fit Cap: 5/16 in OD Size, Tube Stem, Polybutylene Terephthalate, 39 mm Overall Lg, Orange (MPN KQ2P-09). Key specifications — Brand: SMC.
SMC
SMC Push-Fit Cap: 5/16 in OD Size, Tube Stem, Polybutylene Terephthalate, 39 mm Overall Lg, Orange (MPN KQ2P-09). Key specifications — Brand: SMC.
SMC Push-Fit Wye Fitting: 4 mm OD x 4 mm OD x 5 mm Pipe x 4 mm OD Size, 33 29/32 mm Overall Lg (MPN KQ2U04-M5A). Key specifications — Brand: SMC.
SMC
SMC Push-Fit Wye Fitting: 4 mm OD x 4 mm OD x 5 mm Pipe x 4 mm OD Size, 33 29/32 mm Overall Lg (MPN KQ2U04-M5A). Key specifications — Brand: SMC.
SMC Push-Fit Tee Fitting: 5/16 in OD x 5/16 in OD x 5/16 in OD Size, Polybutylene Terephthalate (MPN KQ2T09-00A). Key specifications — Brand: SMC.
SMC
SMC Push-Fit Tee Fitting: 5/16 in OD x 5/16 in OD x 5/16 in OD Size, Polybutylene Terephthalate (MPN KQ2T09-00A). Key specifications — Brand: SMC.