Makita 323913-1 — genuine Makita impact bolt (striker)
Replace a worn or broken striker with this genuine Makita impact bolt designed for the tool-holder assembly. The part transfers the piston’s blow to the bit and is precision‑machined and heat‑treated for reliable impact performance and long service life. Compatible with Makita HR3000C and HR3550C rotary hammers.
Key details (metric)
- Function: impact bolt / striker in the tool‑holder assembly.
- Overall length: 75 mm.
- Front (working) diameter: 9.5 mm; rear diameter: 11.5 mm.
- Maximum body diameter: 20 mm.
- Groove diameter for compression ring: 15 mm; groove width: 4 mm.
Why this part matters
- Restores correct hammer action and prevents accelerated wear to the piston, cylinder and bit.
- Direct replacement for the original Makita part number 323913-1 so fit and function match factory tolerances.
What you’ll get
- The genuine Makita impact bolt, ready to install into the tool holder — a straightforward replacement to bring your rotary hammer back to proper operation.
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