These screw eyes from B&Q are ideal for general purpose use.
Zinc-plated Metal Large Vine eye (L)20mm, Pack of 10
Screw Eyes Heavy Duty Screw Eyes
Nickel-plated Metal Small Screw eye (L)25mm, Pack of 25
Eliza Tinsley Polyethylene Round Tube (Dia)5mm
2mm Dia Thread Zinc Plated Eye Bolt Eyelet Hook Screw
Diall Zinc-plated Steel Gate eye, (L)110mm (Dia)10mm
Screw Eyes 5mm X 11mm
Brass Extra small Screw eye (L)16mm, Pack of 25
M10 x 60mm Plain Hex Bolts (DIN 931) - Zinc Plated 10.9 Hardened