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Brass Male Bspt X Female Bsp

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Description & Features

Constructed from brass, this straight-configuration adapter connects a male R 1/4-19 BSPT thread on one end to a female G 1/2-14 BSPP thread on the other, making it well suited for systems that require a transition between tapered and parallel British Standard thread types. The size step-up from 1/4" to 1/2" accommodates common thread size mismatches encountered in hydraulic and fluid power assemblies.

The Brass Male Bspt X Female BSP is an Adaptall product, with a straight body measuring 30.1 mm in length and a 26 mm across-flats width. Brass construction provides reliable corrosion resistance and is appropriate for use with a wide range of hydraulic fluids and media.

SKU: 8038-04-08

Supplier Part Number (MPN): 8038-04-08

Specifications

Connection Size 1
1/4 in
Connection Size 2
1/2 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
30 mm L
Finish
Nickel-Plated
Fitting Type
Adapter
Material
Brass
Material Construction
Brass
Series
8038 Series
Side 1 Gender
Male
Side 2 Gender
Female
Thread Size
1/4-19 x 1/2-14

Product Questions & Answers (3)

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Question by: Chad W on Jun 1, 2025, 5:16 PM
got a line with R 1/4-19 BSPT on it, will this adapt it up to a G 1/2-14 BSPP port?
Answer by: Customer Support on Jun 3, 2025, 6:51 AM
Built for that exact thread change, it connects a male R 1/4-19 BSPT (tapered) on one side to a female G 1/2-14 BSPP (parallel) on the other, so you can step from 1/4 inch BSPT to 1/2 inch BSPP in a straight adapter.
Question by: Judy B on Oct 7, 2025, 5:16 PM
got a fitting on an older piece of equipment with a 1/4" male BSPT thread and I need to connect it up to a 1/2" female BSPP port, is this the right adapter for that?
Answer by: Customer Support on Oct 9, 2025, 4:42 PM
That's what this one's built for. One end is a male R 1/4-19 BSPT tapered thread and the other is a female G 1/2-14 BSPP parallel thread, so it handles both the thread type transition and the size step-up from 1/4" to 1/2" all in one piece. Straight body, brass construction, made by Adaptall.
Question by: Hank S on Apr 27, 2025, 10:46 AM
What size threads does this thing have? I get kinda lost with BSPT and BSPP.
Answer by: Customer Support on Apr 28, 2025, 7:53 PM
This adapter features a male R 1/4-19 BSPT thread on one side and a female G 1/2-14 BSPP thread on the other. The BSPT is tapered, while the BSPP is parallel.

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