RS PRO Brass Male Pneumatic Quick Connect Coupling, 4mm Hose Barb

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Subtotal (1 pack of 5 units)*

£11.30

(exc. VAT)

£13.55

(inc. VAT)

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In Stock
  • 225 unit(s) ready to ship
  • Plus 50 unit(s) ready to ship from another location
  • Plus 500 unit(s) shipping from 14 October 2025
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Units
Per unit
Per Pack*
5 - 20£2.26£11.30
25 - 45£2.168£10.84
50 - 120£2.12£10.60
125 +£2.08£10.40

*price indicative

Alternative

This product is not currently available. Here is our alternative recommendation.

presentation
RS PRO Brass Male Pneumatic Quick Connect Coupling, 6mm Hose Barb
RS Stock No.
667-1866

Each (In a Pack of 5)

£2.432

(exc. VAT)

£2.918

(inc. VAT)

RS Stock No.:
667-1857
Brand:
RS PRO
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Brand

RS PRO

Coupling Gender

Male

Connection Standard

Camozzi, Legris, Rectus 21, Rectus 90

Manufacturer Series

21

Connection Type

Hose Barb

Hose Barb Connection

4mm

Material

Brass

Thread Gender

Male

Maximum Operating Pressure

35bar

Finish

Nickel Plated

Seal Material

Nitrile Rubber

Minimum Operating Temperature

-20°C

Maximum Operating Temperature

+100°C

COO (Country of Origin):
TR

Series 21 Connectors



Series 21 Connectors


Miniature pattern connectors, suitable for many applications including small air tools, dental equipment, robotics and automation. Small body dimensions with high flow rate and low pressure drop. Maximum operating pressure 35 bar and temperature range is -20°C to +100°C. All couplings are of the single shut-off type and all allow one handed operation. Interchangeable with Rectus Series 21.

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