By Sizes

M5 x 15mm

M5 x 20mm

M6 x 15mm

M6 x 20mm

50x Black Nylon, Wing Nut Thread, M5 x 20mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: £19.99

Was: £19.99

Now: £17.99
50x Black Nylon, Wing Nut Thread, M6 x 20mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: £22.49

Was: £22.49

Now: £20.24
50x Nylon, Wing Nut Thread, M5 x 16mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: £19.99

Was: £19.99

Now: £17.99
50x Nylon, Wing Nut Thread, M5 x 20mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: £19.16

Was: £19.16

Now: £17.24
50x Nylon, Wing Nut Thread, M6 x 15mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: £19.16

Was: £19.16

Now: £17.24
50x Nylon, Wing Nut Thread, M6 x 20mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: £20.83

Was: £20.83

Now: £18.74

Butterfly screws are sorted here by size and length, covering M5 and M6 nylon sets for tool-free adjustment.

Which butterfly screw size works best?

M5 suits lighter fittings, while M6 gives a broader thread and the longer lengths add reach through thicker sections.