Brass Back-nuts

Brass Back-nuts

Flanged brass, plastic and alloy back-nuts with British Standard Pipe Threads (BSP).

Check the BSPT link at bottom of page for information on plumbing thread sizes.

 

  • 1-1/2" BSP Alloy Flanged Back Nut

    1-1/2 inch BSP alloy backnut. This is the normal size for a bath or kitchen sink waste.   BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how plum…

    £1.80

    £1.80

  • 1-1/2" BSP Brass Flanged Back Nut

    1-1/2 inch BSP brass backnut. This is the size used on kitchen sink and bath wastes. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how plumbing threa…

    £2.55

    £2.55

  • 1-1/2" BSP Plastic Flanged Back Nut

    1-1/2 inch BSP plastic backnut, suits solid bath and kitchen sink wastes, also suitable for toilet cistern syphons. Colour may vary. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of thi…

    £0.96

  • 1-1/4" BSP Alloy Flanged Back Nut

    1-1/4 inch BSP alloy backnut. This is the normal size for a bathroom wash hand basin waste. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how plu…

    £1.46

    £1.46

  • 1-1/4" BSP Brass Flanged Back Nut

    1-1/4 inch BSP brass backnut, this is the size used on a bathroom wash hand basin waste. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how plumbing t…

    £2.84

    £2.84

  • 1-1/4" BSP Plastic Flanged Back Nut

    1-1/4 inch BSP plastic backnut for bathroom wash hand basin wastes. Colour may vary. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how plumbing t…

    £1.14

  • 1" BSP Brass Flanged Back Nut

    1 inch BSP brass backnut. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how plumbing threads are measured.

    £0.97

    £0.97

  • 1/2" BSP Brass Flanged Back Nut

    1/2 inch BSP brass backnut. This is the size you need for bathroom wash hand basin / kitchen sink taps. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information …

    £0.50

    £0.50

  • 1/2" BSP Plastic Flanged Back Nut

    This 1/2 inch BSP backnut is the normal size for traditional kitchen sink / bathroom basin taps. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how pl…

    £0.60

    £0.60

  • 2" BSP Brass Flanged Back Nut

    2 inch BSP brass backnut. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how plumbing threads are measured.

    £7.66

    £7.66

  • 3/4" BSP Brass Flanged Back Nut

    3/4 inch BSP brass flanged backnut. This is the size needed for bath taps. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how plumbing threads are…

    £0.65

    £0.65

  • 3/4" BSP Plastic Flanged Back Nut

    This is the right size of backnut for bath taps. BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how plumbing threads are measured.

    £0.73

    £0.73

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