Genuine Makita 231951-8 — "Ring Spring 11" — a small ring-style spring clip used in the anvil/bit-sleeve assembly of many Makita impact drivers and impact wrenches. It holds the bit sleeve, flat washer and the pair of 3.5 mm steel balls in position so the anvil retains impact bits reliably during use.
This ring is designated “11” (nominal size 11) and is the spring clip you replace when the bit retention parts pop out or the sleeve no longer snaps securely.
Examples of Makita models that use this part include a wide range of impact drivers and drivers/wrenches (for example: 6903VDW / 6903VD, 6935FD, 6950, 6980FD and DTD-series impact drivers such as DTD156). Use these model examples to confirm fit for your tool.
Quick repair note: this spring clip is small and inexpensive but essential — it is commonly replaced together with the steel balls (part 216001-0) or flat washer if these components were lost when the clip ejected. It’s a straightforward replacement that restores correct bit retention.
If you need a reliable replacement from Makita spare parts for those little but critical components, this genuine Makita 231951-8 ring spring is the exact spring clip listed for the models above and other Makita impact tool assemblies.
Keywords: Makita spare parts; power tool parts.
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