Makita 232503-8 Spare Part - CONICAL COMP. SPRING 21-34

Makita 232503-8 — Conical Compression Spring (21‑34) — genuine Makita replacement

Restore the hammer action in your Makita rotary hammer with this original Makita conical compression spring (part no. 232503-8). This precision-formed cone spring (listed as “Conical Comp. Spring 21-34”) sits inside the barrel/impact assembly and provides the correct preload and travel for consistent impact energy and reliable return of the driving sleeve. It’s manufactured to the original Makita specification and sold as a single replacement spring for repairs and servicing.

Key details

- Part number: 232503-8.

- Description: Conical compression spring, designation 21‑34 (cone-shaped spring used in the impact/barrel assembly).

- Function: Restores correct spring force and travel in the hammer mechanism to recover impact consistency and tool feel when the original spring has fatigued or deformed.

- Construction: Durable spring steel, formed to Makita’s original spec for long service life under repeated impact cycles.

- Supply: Sold individually (single spring).

Example models this part is used in

- Makita HR3001 / HR3001C (listed in Makita parts diagrams).

- Makita HR3011 / HR3011FC series (appears in the HR3011 parts diagram).

Why this part matters

If your rotary hammer has weak or inconsistent impacts, excessive play in the driving sleeve, or the mechanism feels sluggish, replacing the conical spring with the original Makita 232503-8 restores the designed spring rate and seating geometry so the tool hits as intended.

(Part identification and fitment are shown on Makita parts diagrams and confirmed by parts listings.)

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