Genuine Makita 763670-3 — Collet cone, 6 mm bore, made to hold 6 mm (Ø6 mm) shank accessories in Makita die/grinders.
This original Makita collet cone is machined to seat into the grinder front end and clamp 6 mm shank burrs, cutters and mounted wheels securely; it’s commonly used with Makita die / grinder models such as GD0602, DGD800 and DGD801 also listed for BGD800 / BGD801 / DGD800.
Fitment notes: the cone is the 6 mm insert that works with the matching collet nut (part 763668-0) and the standard wrench sizes called out for these grinders — sold and referenced as genuine Makita spare hardware.
If you need a straightforward replacement to restore secure bit holding on your Makita die grinder, this original Makita part is the direct-fit collet cone you want — listed in Makita parts list as Collet Cone 6
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