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Bspp Countersunk Sealed Plug

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Description & Features

This countersunk sealed plug features G 1-1/4 - 11 threads, conforming to the BSPP (British Standard Parallel Pipe) standard. Constructed of durable steel, this Bspp Countersunk Sealed Plug ensures reliable sealing in hydraulic applications.

The Adaptall 9028-20 plug has a 50mm wrench width and an overall length of 22.4mm, providing secure installation and a flush fit.

SKU: 9028-20

Supplier Part Number (MPN): 9028-20

Specifications

Brand
adapt-all
Connection Size 1
1-1/4 in
Connection Type
Male BSP
Connection Type 1
Male BSPP
Dimension Standards
BS 5200
Dimensions
23 mm L x 50 mm W
Finish
Zinc-Plated
Fitting Type
Plug
Material
Steel
Material Construction
Carbon Steel
Maximum Operating Pressure
2500 psi
Series
9028 Series
Thread Size
1-1/4-11

Product Questions & Answers (2)

Question by: Wes R on Dec 16, 2025, 8:46 AM
Got a port that needs capping off on a G 1-1/4 BSPP fitting, this plug gonna seat flush or does it stick out some?
Answer by: Customer Support on Dec 17, 2025, 9:18 PM
Flush fit is exactly what the countersunk design gives you. At 22.4mm overall length and built to G 1-1/4 - 11 thread spec, it sits down into the port rather than protruding out. That keeps things clean and out of the way, which matters when clearance is tight around a manifold or valve block.
Question by: Hank T on Jun 22, 2025, 3:30 PM
What size wrench do I need to tighten this plug down good and snug?
Answer by: Customer Support on Jun 24, 2025, 11:17 AM
A 50mm wrench is the right size for this BSPP countersunk sealed plug.

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