Reducer sleeve specifications:
- Material: Cast iron
- Usage: Decoration and Plumbing
- Sizes: 3/8″ (12/17), 1/2″ (15/21), 3/4″ (20/27), 1″ (26/34), and 1 1/4″ (33/42)
- Thread: BSPT (tapered)
- Reduced thread: BSPT (tapered) or BSPP (straight)
DIY Implementation and finishing
- How do I mount it?
- Do I have to treat the fittings or can I leave them as they are?
- How to apply a finish?
- Choice and dimensions of black steel pipes for decorative plumbing fittings
Thread type:
The thread is BSP (British Standard Pipe) Whitworth.
The female thread on standard screw-on fittings is BSPT (tapered); on decorative and designer screw-on fittings, it is BSPP (straight); and the male thread is BSPT (tapered) per DIN EN 10226, formerly ISO 7-1.
Used for DIY projects
- E27 steel ring socket kit for fitting

REF: MCFA0004600W1 - E27 double nut socket kit for fitting

REF: MCFA0002600W1 - E27 metal socket kit for fitting

REF: MCFA0000600W8 - E27 socket kit for fitting

REF: MCFA0000600W1 - E27 single nut socket kit for fitting

REF: MCFA0001600W1
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Perfect: Perfect, including delivery
Antoine P. (confirmed customer) –
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Good product: Good product