Festo QST Series Tee Tube-to-Tube Adaptor Push In 4 mm, Push In 6 mm to Push In 6 mm, Tube-to-Tube Connection Style,

View all Pneumatic Fittings
Bulk discount available

Subtotal (1 bag of 10 units)*

£45.85

(exc. VAT)

£55.02

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 8 unit(s) shipping from 13 October 2025
  • Plus 8 unit(s) shipping from 13 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Bag(s)
Per Bag
Per unit*
1 - 4£45.85£4.585
5 - 9£44.02£4.402
10 +£42.18£4.218

*price indicative

Photo of Pneumatic Fittings & Air Hose
Explore our Air hose range
Need compressed air system for your fittings? You’re in the right place. Our wide range of air hoses includes everything you need—all designed for secure, efficient performance. With both fittings and hoses available side by side, it’s easy to find compatible components and build a complete setup that works for your space and application.
Shop Now
RS Stock No.:
121-5978
Mfr. Part No.:
QST-6-4
Brand:
Festo
Find similar products by selecting one or more attributes.
Select all

Brand

Festo

Connector A

Push In 6 mm

Connector B

Push In 6 mm

Pneumatic Fitting Type

Tee Tube-to-Tube Adaptor

Connection Style

Tube-to-Tube

Manufacturer Series

QST

Model Number p

153134

Maximum Operating Pressure

14 bar

Body Material

PBT

Maximum Operating Temperature

+80°C

Mounting Type

Inline

Minimum Operating Temperature

-10°C

COO (Country of Origin):
JP

FESTO QST Push-in T Connector


The Quick Star QST range offer a convenient push-in fitting system for compressed air and water with over 1000+ types of standard and function fittings. These high quality T connectors are available in various sizes and configurations including equal, reducing and miniature size to suit your tubing diameter, they offer both a secure and reliable connection.

Features and Benefits


• Maximum flexibility for each pneumatic fitting
• Effortless, quick and simple push-in installation
• Tube to tube (hose) connection style for use in pneumatic applications
• Wide operating temperature range of -10 to +80°C
• Air pressure ranges of up to 14 bar
• Available with a variety of different diameter connector sizes
• Strong and durable thermoplastic (PBT)

Approvals

Festo QST-6-4 Push-In T-Shape Pneumatic Fitting


The QST-6-4 from Festo is a high quality pneumatic connector which offers both maximum flexibility and quick installation due to the convenient push-in T-shape fitting type.

Features and Benefits


• QS Series
• T shape fitting
• Tubing size O.D 6 mm port 1 connection
• Tubing size O.D 4 mm port 2 connection
• Push in type ensuring quick and simple installation
• Tube to tube style connection
• High performing and durable thermoplastic (PBT)
• Any mounting position

Related links