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SMC Push-Fit Adapter Fitting: 4 mm OD x 1/8 in Pipe Size, Push-to-Connect x BSPT - Polybutylene & Brass Tube Fittings
SMCPolybutylene & Brass Tube Fittings

SMC Push-Fit Adapter Fitting: 4 mm OD x 1/8 in Pipe Size, Push-to-Connect x BSPT

The SMC Push-Fit Adapter Fitting (MPN KQ2S04-01AS) is a brass push-to-connect x BSPT fitting for 4 mm OD tubing with a 1/8" pipe thread. 3G Electric sources this genuine SMC component across 14 industrial…

SKU 3G-OTH-488878

Brand
SMC
Item
Push-Fit Adapter Fitting: 4 mm OD x 1/8 in Pipe Size, Push-to-Connect x BSPT
Category
Polybutylene & Brass Tube Fittings
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Technical Specifications

SMC
Manufacturer Part Number
KQ2S04-01AS
Type
Push-to-Connect x BSPT, Brass, Brass
Thread Size A
1/8"
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Technical Documents

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

Product Description

The SMC Push-Fit Adapter Fitting (MPN KQ2S04-01AS) is a brass push-to-connect x BSPT fitting for 4 mm OD tubing with a 1/8" pipe thread. 3G Electric sources this genuine SMC component across 14 industrial departments, with specialist expertise in pneumatics and controls to ensure the right connection solution.

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 KQ2S04-01AS push-fit adapter fitting used for?

The SMC KQ2S04-01AS is a brass push-to-connect x BSPT adapter fitting used to connect 4 mm OD tubing to a 1/8" pipe port in pneumatic systems. It provides a secure, leak-free joint for compressed air and vacuum applications in industrial automation, packaging, and material handling equipment.

What are the specifications of the SMC KQ2S04-01AS fitting?

The SMC KQ2S04-01AS is a brass push-to-connect x BSPT adapter fitting. It accepts 4 mm OD tubing and has a 1/8" BSPT male thread. The body and release collar are brass. It is designed for use with polybutylene or nylon tubing in pneumatic circuits up to 1.5 MPa working pressure.

Where to buy SMC KQ2S04-01AS fittings worldwide?

3G Electric supplies the genuine SMC KQ2S04-01AS push-fit adapter fitting to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source this fitting across 14 departments, with specialist expertise in pneumatics and controls.

How to install the SMC KQ2S04-01AS push-to-connect fitting?

To install the SMC KQ2S04-01AS, 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 1/8" male thread and tighten into the port. To release, press the collet evenly and pull the tubing out.

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.

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