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Male Bspt X Female Bspp

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Description & Features

Constructed from steel in a straight configuration, this adapter connects a 3/8" male BSPT thread (R 3/8-19) on one end to a 1/4" female BSPP thread (G 1/4-19) on the other, making it a practical solution for transitioning between tapered and parallel British Standard thread forms within hydraulic circuits. The straight body measures 22mm in length with a 17.5mm CH wrench width, allowing straightforward installation with standard tooling.

The Male Bspt X Female BSPP adapter is an Adaptall product, suited for applications where a size reduction or thread-form change is required between components. The steel construction provides durability appropriate for hydraulic line connections where consistent thread engagement and sealing integrity are expected.

SKU: 9032-06-04

Supplier Part Number (MPN): 9032-06-04

Specifications

Brand
adapt-all
Connection Size 1
3/8 in
Connection Size 2
1/4 in
Connection Type
Female BSP, Male BSP
Connection Type 1
Male BSPT
Connection Type 2
Female BSPP
Dimension Standards
BS 5200, DIN EN 10226-1
Dimensions
22.5 mm L
Finish
Zinc-Plated
Fitting Type
Adapter
Hex Size
19 mm
Material
Steel
Material Construction
Carbon Steel
Series
9032 Series
Thread Size
1/4-19 x 3/8-19

Product Questions & Answers (3)

Question by: Keith P on Aug 30, 2025, 11:14 AM
Will this fitting work to connect a 3/8" BSPT male fitting to a 1/4" BSPP female fitting?
Answer by: Customer Support on Sep 1, 2025, 6:13 AM
Yes, this adapter is specifically designed to connect a 3/8" male BSPT thread to a 1/4" female BSPP thread. It's a straight adapter made of steel.
Question by: Steve C on Dec 28, 2025, 6:18 PM
Got a 3/8 BSPT male fitting on a hydraulic component and need to tie into a 1/4 BSPP female port, this the right adapter for that?
Answer by: Customer Support on Dec 30, 2025, 11:41 AM
That's exactly what this one's built for. One end is a 3/8" male BSPT (R 3/8-19) and the other is a 1/4" female BSPP (G 1/4-19), so it handles both the thread form change and the size step-down in a single straight fitting. Steel construction, 22mm long, and takes a 17.5mm wrench if you're torquing it in with standard hand tools.
Question by: Connie W on Sep 28, 2025, 3:07 PM
got a fitting with R 3/8-19 on one side and i need to land it into a G 1/4-19 port, is that what this adapter’s for
Answer by: Customer Support on Sep 29, 2025, 9:28 PM
For swapping between British Standard thread forms, this one goes from a 3/8 inch male BSPT (R 3/8-19, tapered) to a 1/4 inch female BSPP (G 1/4-19, parallel). It is a straight steel adapter meant for exactly that thread change and size reduction in a hydraulic connection.

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