# ERGAOBOY OP-188 1/4-inch BSP Stainless Steel Square-Head Pipe Plugs, 2 Pack

Pack: ERGAOBOY OP-188 is a two-piece set of male 1/4-inch BSP square-head pipe plugs. The listing describes 304 stainless steel construction and gives a stated operating range of 0-2 MPA and 0-180°C, so confirm the thread and system requirements before installation.

- [Original product page](https://bargainpostbox.co.uk/product/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [View offer](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: ERGAOBOY
- Model: OP-188
- Category: Tools & Garden > Electrical & Plumbing
- Price: 5.19 GBP
- Previous price: 6.49 GBP
- Discount: 20%
- Price checked: 2026-11-12T15:02:29.665Z
- Rating: 4.8 / 5
- Reviews: 20

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Male BSP thread and square wrench drive are specified for plugging a compatible pipe connection.
- The listing states 304 stainless steel in its feature copy. The details field identifies the material more generally as stainless steel.
- The listed operating parameters are 0-2 MPA and 0-180°C. These are manufacturer claims, not independently verified limits.

## Pros

- Two plugs are listed, useful when more than one compatible connection needs terminating.
- The raised square drive provides a stated wrench-engagement feature for installation.

## Specifications

### Identity
- Brand: ERGAOBOY
- Model: OP-188
- Pieces listed: 2
### Thread and connection
- Size: 1/4"BSP
- Thread size: 0.25 inch
- Thread type: BSP
- Connector type: Plug
### Materials and finish
- Material listed: Stainless Steel
- Colour: Silver
### Dimensions and installation
- Weight listed: 0.2 Kilograms
### Operating parameters
- Pressure and temperature listed: 0-2 MPA, 0-180°C

## Before you buy

- The listing gives the nominal size as 1/4"BSP and also states 0.25 inch thread size. It cautions that BSP size is nominal rather than the actual diameter. Confirm compatibility with the mating fitting and applicable system limits. The feature copy specifies 304 stainless steel, while the details list only stainless steel. The stated pressure and temperature ranges are listing claims and are not independently confirmed.

## A good fit for

- Buyers seeking a two-piece set of male BSP pipe plugs for compatible pipe or fitting connections.
- Installations where a square wrench drive and stainless steel material are desired.

## Less suited to

- Buyers who need a confirmed actual thread diameter, a different thread standard or independently verified operating limits.

## Customer feedback

Aggregate ratings are strongly positive overall, with most ratings in the five-star category and a smaller two-star portion. With no customer comments supplied, the reasons for either response are unknown. The rating pattern alone does not establish fit, sealing performance or suitability for a particular pressure or temperature.

## Frequently asked questions

### How many plugs are included?
The listing specifies two pieces.
### What thread size is listed?
The size is listed as 1/4"BSP, with a separate thread-size entry of 0.25 inch. The listing notes that BSP size is nominal, not the actual diameter.
### What material is the plug made from?
The details identify stainless steel, while the feature description specifies 304 stainless steel. Confirm the precise grade if it is important for your application.
### What operating limits does the listing state?
It states 0-2 MPA and 0-180°C. Treat these as manufacturer claims and verify suitability for your system.

## Alternative options

- [TAISHER 10 PCS 304 Stainless Steel Outer Square Thread Socket Pipe Plug Fitting 1/8" BSP Male](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [Bwintech 3 Pcs 1/4" Male BSP Stainless Steel 304 Male Cap Hex Socket Pipe Plug Fittings Connector for Pipe Connecting Conversion](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [ERGAOBOY 2Pcs SS304 1/4" Male BSP Thread Straight Hex Nipple Fitting \| Equal male threaded ends, hex center wrench drove, airtight tight seals, suitable for fluid pipeline connection](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [Bwintech 3 Pcs 1/4" Male to 1/4" Male BSP Thread Stainless Steel 304 Hex Nipple Fitting for Pipe Connecting Conversion](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [M METERXITY 1-Pack Pipe Plug 3/8 NPT Male Outer Hex Head Solid Thread \| 304 Stainless Steel, Bung Plug, Fitting, With Sealing Ring, For Terminating Pipe Ends](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [PATIKIL 1/4" BSP Pipe Plug Fitting 2pcs Outer Hex Head Socket Male Thread \| Flange Pipe Cap Adapter Connector with Copper Washer for Sealing Oil Gas Water](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [Bwintech 2 Pcs 1/4" Male BSP Thread Brass Male Cap Hex Socket Pipe Plug Fittings Connector for Pipe Connecting Conversion](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [Bwintech 6 Pcs 1/4" Male to 1/4" Male BSP Thread Stainless Steel 304 Hex Nipple Fitting for Pipe Connecting Conversion](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [ERGAOBOY 2Pcs SS304 1/4" BSP Female 3-Way Tee Pipe Fitting Connector \| T shape flow distribution, interlocking thread grip, high pressure tolerance, suitable for industrial plumbing setup](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [TAISHER 2 Pcs Stainless Steel Pipe Fittings, 1/4" BSP x 1/4" BSP Male Threaded, 100mm Length Nipple Cast Pipe, for Water Oill Air Gas](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [TAISHER 5PCS 304 Stainless Steel Outer Square Thread Socket Pipe Plug Fitting 1/4" BSP Male](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [TAILONZ 6mm OD x 1/4" BSP Male Push-Connect Fitting TPC \(5Pcs\) \| Male Thread Connector, Air Fittings, Pipe Integration, Pneumatic Use, Compressor Plumbing, System Connection](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)

## Add-ons

- [ERGAOBOY 2Pcs SS316L 1" Male BSP Hex Nipple Pipe Fitting \| Dual equal male threaded ports, hexagonal center profile, straight](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)
- [ERGAOBOY 2Pcs SS304 1/2" BSP Female 3-Way Tee Pipe Fitting Connector \| T shape flow distribution, interlocking thread grip, h](https://bargainpostbox.co.uk/visit/ergaoboy-op-188-1-4-bsp-square-head-pipe-plugs)

## Images

![ERGAOBOY OP-188 1/4-inch BSP Stainless Steel Square-Head Pipe Plugs, 2 Pack — 1](https://bargainpostbox.co.uk/i/5rHLVTs8mCzPgk8SJ08xqsIDu1VXHQkg28GnbZtz_nLow-Y-ZaNiHGWO8FRktopur2I1NXRzSaMV5whW4F9JpcITCHwXRu1fHewpEDbgSvmg4sdFN7r9BkDV.jpg)

![ERGAOBOY OP-188 1/4-inch BSP Stainless Steel Square-Head Pipe Plugs, 2 Pack — 2](https://bargainpostbox.co.uk/i/cyppoUdxjM8QYnwWW_xIXvuI9rMeSW5EoC5Mms65pJI4IHYgXLnyDCve9o2P-n0lEuT7oNvek5kEtzMiDZsO13oIQIUuuB90xe8mP2dQ8sunTLVGUEg2ZVxQ.jpg)

![ERGAOBOY OP-188 1/4-inch BSP Stainless Steel Square-Head Pipe Plugs, 2 Pack — 3](https://bargainpostbox.co.uk/i/GPbRmKECo6fLHK4-MwlBV_8zLMJaOxgOjPzSIzbRQTzVaCWY09XGvqOf8gi8T7qv_DbQFEpHTd899LVDSU4bUnStWanuWk65khB6tzF6Xmz54tLv3T_WMVtd.jpg)

![ERGAOBOY OP-188 1/4-inch BSP Stainless Steel Square-Head Pipe Plugs, 2 Pack — 4](https://bargainpostbox.co.uk/i/3AS3C_y8KY-D_WNwg57BL8uQRxQKKze6PKBS7zRbkDrDQC32ngEdmCph4y1X9SKsSAWpBv8fl2RxtXD52liIcacUFXp-PIyzMvR8Xu9bHZPj2N99_mwqqnu-.jpg)

![ERGAOBOY OP-188 1/4-inch BSP Stainless Steel Square-Head Pipe Plugs, 2 Pack — 5](https://bargainpostbox.co.uk/i/XkrQNelf9xXFZSVnIh-W9ZWY6oHp8xP5-Fc-mMisJPlgPTnxGSihyCI2hVZalPBbBXbY0wCQKcbAS6cWm_Py5VbPVSLrq93gKpCln0pXMhj1bemdW4LIYM40.jpg)

![ERGAOBOY OP-188 1/4-inch BSP Stainless Steel Square-Head Pipe Plugs, 2 Pack — 6](https://bargainpostbox.co.uk/i/L30Trtffmvmf5vRF0VXT3xrGl615AjRu1vBPVjpJrD_2kwU_lU34eCVDsFJu7vuQpEbCN0OdDdGCtvlUNkeIC9iWup3nN0hSeAcp7Iy0l5np6smCUm4_KKw1.jpg)

![ERGAOBOY OP-188 1/4-inch BSP Stainless Steel Square-Head Pipe Plugs, 2 Pack — 7](https://bargainpostbox.co.uk/i/zeqHp_nhSuNdBkbQzNfsTKXh-_vuY-RnD_KYq5Gj5XOo_dM4m10AOgnDX1N0fMnBidJ01CDlizrFdGoagYteHflut5JkUs235Zr35iNw0xRKUuQngkA8ubM9.jpg)