Original Makita pan‑head screw M3 × 18 mm — part no. 266827-0 — listed as "PAN HEAD SCREW M3X18 WITH WR" for Makita caulking tools.
Specs: metric M3 thread, 18 mm length, pan (rounded) head profile; documented by Makita as supplied "with WR" on the parts breakdown.
Example fitment: used on Makita caulking/adhesive guns such as CG100D / DCG180 / BCG140 — typically used to secure piston/holder components in those assemblies.
A straightforward replacement when a factory screw is corroded, stripped, or missing — exact Makita part number for a reliable fit with the original assemblies.
Jump straight to the Makita spare parts diagrams:
