Skip to content

Breco B-3JM3-S, 3/8" Tru-Flate Coupler x 3/8" Male NPT, TF4 Series, Automatic, Steel

by Breco
Save 20% Save 20%
Original price $ 19.69
Original price $ 19.69 - Original price $ 19.69
Original price $ 19.69
Current price $ 15.79
$ 15.79 - $ 15.79
Current price $ 15.79

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Breco B-3JM3-S is a steel 3/8" coupler from the Breco TF4 Series, rated to 300 PSI and built in the USA for air compressors, pneumatic tools, grease guns, and paint applicators.

Specifications

  • Brand: Breco
  • Series: TF4 Series (Tru-Flate / Automotive Interchange)
  • Part Number: B-3JM3-S
  • Interchange: 3/8" Tru-Flate
  • Body: 3/8" Coupler
  • Thread: 3/8" Male NPT, MPT
  • Type: One-Way Shut-Off
  • Operation: Automatic push-to-connect (retract sleeve to disconnect)
  • Material: Steel
  • Working Pressure: 300 PSI
  • Quantity: 1pc
  • Origin: Made in USA

Why this coupler

  • Automatic push-to-connect — which means single-handed connection; push the plug in, retract the sleeve to disconnect.
  • Tru-Flate (automotive) interchange — which means it mates with the most common automotive-style air couplers and plugs.
  • High-flow tubular steel valve — which means strong air delivery with minimal pressure drop for better tool performance.

Frequently asked questions

What does this connect to?
It interchanges with Tru-Flate (automotive-style) plugs — a very common 3/8" air-coupler design.

What pressure is it rated for?
Rated to 300 PSI working pressure.

How does it connect?
Push the plug in to connect automatically; retract the sleeve to disconnect.

Ideal for automotive shops, air compressors, pneumatic tools, grease guns, and paint applicators. Pair this coupler with a matching 3/8" Tru-Flate plug for a complete, leak-free connection.

Why buy from hpcouplers: Breco quality, responsive US-based support, accurate specs, fast shipping.