Clock grommets dial key hole brass finish collets 10mm 12mm old antique clocks

Brass grommets that neaten winding and hand-set holes on a clock dial, available in 10mm or 12mm to match your hole size.

⭐ At a glance

📏 Choose 10mm or 12mm to suit your dial hole

📦 Supplied as a pack of 5 grommets

✔️ Suitable for both antique and modern clocks

Finish: Brass, gold-toned

✅ Fits

These brass grommets (collets) fit dial holes of either 10mm or 12mm diameter — typically used around winding arbor holes or hand-set holes to give a clean, finished edge. Brass construction makes them suitable for fitting to old antique clocks as well as newer clock builds.

⚠️ Please check the diameter of your dial hole before ordering, and select the matching 10mm or 12mm size — the two sizes are not interchangeable.