If you are not sure what size you want then the bonus multipack is ideal.  It can be very hard to judge the best length on such small screws.

Fast delivery.  M1.4 Multipack : 20 off M1.4 x 4mm, 20 off M1.4 x 5mm & 20 off M1.4 x 6mm pan head black zinc steel self-tap screws.  60 in total.

Ideal for fixing those small items like couplings.

Will easily tap into pre-drilled holes in white metal, wood, brass or plastic.

See my Multiple pack discounts.

 

Will deliver by 1st class post as soon as I can, I aim to post next day.