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: $26.55

Was: $26.55

Now: $23.90
50x Black Nylon, Wing Nut Thread, M6 x 20mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: $29.88

Was: $29.88

Now: $26.88
50x Nylon, Wing Nut Thread, M5 x 16mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: $26.55

Was: $26.55

Now: $23.90
50x Nylon, Wing Nut Thread, M5 x 20mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: $25.45

Was: $25.45

Now: $22.90
50x Nylon, Wing Nut Thread, M6 x 15mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: $25.45

Was: $25.45

Now: $22.90
50x Nylon, Wing Nut Thread, M6 x 20mm, Butterfly Screws, Nuts & Washers

MSRP:

Was:

Now: (Inc. VAT)

MSRP: $27.66

Was: $27.66

Now: $24.89

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.