These screw eyes from B&Q are ideal for general purpose use.
Easyfix Bright Zinc-Plated High Tensile Steel Hex Bolts M16 x 60mm
Screw Eyes 5mm X 11mm
Ace 5/32 D X 1-5/16 L Zinc-Plated Steel Screw Eye 55 Pk, 56% OFF
Screw Eyelets 5mm X 11mm
US STAINLESS 2 Pieces Stainless Steel 316 M10 Eye Bolt 10mm x 60mm
Easyfix Bright Zinc-Plated High Tensile Steel Hex Bolts M12 x
Screw Hook - Zinc Plated - 60mm - 2 Pack
Brass Extra small Screw eye (L)16mm, Pack of 25
Screw Eyes 5mm X 11mm