ERGAOBOY OP-669 12 mm × 1/4 in BSP Push-In Fitting Kit, 10 Pieces

Pieces: ERGAOBOY OP-669 is a 10-piece push-in pneumatic fitting kit listed for 12 mm tube OD and 1/4-inch BSP threading. The listing describes a mix of elbow and straight fittings for air-line connections, but gives no breakdown of how many of each type are included.

At a glance

The listing specifies 12 mm tube outer diameter and a nominal 1/4-inch BSP thread. It notes that BSP size is nominal, not the actual thread diameter.
Push-in fittings are described as manually insertable or removable without tools, for changing pipeline direction.
The listing states a pressure range of 0–1 MPa and a temperature range of 0–60°C.

Price

£14.39Save 20%

Reference price: ~~£17.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

A 10-piece set combines straight and elbow connection types, according to the product title.
Push-in installation is presented as a tool-free way to connect or remove air tubing.

Technical specifications

12 specifications

Identity and pack
Brand	ERGAOBOY
Model	OP-669
Number of pieces	10

Size and connection
Tube size and thread	12MM-1/4"(BK PL PC 10Pcs)
Thread size	1/4
Thread type	BSP
Connector type	Elbow

Dimensions and installation
Weight listed	0.2 Kilograms

Materials and finish
Material listed	Copper, Plastic
Exterior finish	Copper
Colour listing	12mm-1/4(bk Pl Pc 10pcs)

Operating limits and use
Operating pressure and temperature range	0-1 MPA And 0-60°C.

What to know before buying

Listing details to confirm

The listing is inconsistent about the kit configuration: its title says elbow and straight combination, while connector details name only elbow, and it does not state the number of each type. The material is listed as copper and plastic, while the exterior finish is specified as copper. Confirm the exact fitting mix and material before ordering, and match the tube OD and nominal BSP thread to your system.

Who is it for?

A good fit for

Buyers assembling or modifying pneumatic air lines who need fittings specified for 12 mm tube OD and 1/4-inch BSP threads.
Users who want push-in connectors that the listing says can be manually inserted or removed without tools.

Less suited to

Buyers who need a confirmed quantity of each fitting style or a clearly specified all-metal or all-plastic composition.

ERGAOBOY OP-669 12 mm × 1/4 in BSP Push-In Fitting Kit, 10 Pieces · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 315 ratings

5 stars82%82%
4 stars13%13%
3 stars3%3%
2 stars1%1%
1 star1%1%

Customer feedback describes the fittings as well made and functional, with reports of good fit and no leaks. The feedback specifically mentions 4 mm PTFE tubing, which differs from the product listing’s 12 mm tube size, so those fit reports do not establish compatibility with the listed size. The aggregate ratings are mostly five-star, but also include lower ratings and do not explain individual experiences.

Positive themes

Customer feedback describes good construction and functionality.
Customers report good fit and no leaks, particularly with 4 mm PTFE tubing.

Frequently asked questions

What tube and thread sizes are specified?

The listing states 12 mm tube outer diameter and a nominal 1/4-inch BSP thread. BSP is a nominal pipe size, so it does not equal the actual thread diameter.

Does the kit include both elbow and straight fittings?

The title describes an elbow and straight combination, but the connector details name elbow only. The listing does not give a count by fitting style, so confirm the configuration before buying.

What pressure and temperature ranges are listed?

The stated operating range is 0–1 MPa and 0–60°C. These are listing claims, so check that they suit your intended setup.