Description
Overview:
The Impact Bolt for Makita HR4001C and HR4011C hammer drills is a genuine Makita spare designed for the hammering mechanism where high loads and repeated strikes demand a dependable fastener. Manufactured from high‐strength steel, it provides a precise, secure fit to keep internal components correctly aligned and transferring impact energy efficiently. As a direct replacement for OEM No. 324569-3, this Genuine Part maintains the original build quality and performance of your tool. Fitting a fresh impact bolt helps restore consistent striking, reduces play in the mechanism, and supports smooth operation during drilling and chiselling tasks in concrete, masonry, and similar materials. It is suitable for routine servicing or repair when the original bolt shows wear, damage, or loss of tightness.
Key Features:
- Genuine Makita part for assured fit and reliability (OEM No. 324569-3)
- Compatible with Makita HR4001C and HR4011C hammer drills
- High‐strength steel construction for heavy‐duty impact loads
- Precision‐machined for tight tolerances and a secure, stable fit
- Helps restore impact energy transfer and consistent hammering
- Straightforward replacement with basic tools to minimise downtime
- Durable design to withstand site conditions and repeated use
- Suitable for preventative maintenance and corrective repairs
- Supports safe operation by keeping the hammer assembly correctly retained
Typical Applications:
Replacement of a worn or damaged impact bolt during routine maintenance or when symptoms such as reduced striking power, rattle, or excessive play appear. Commonly used by contractors, hire fleets, and facilities teams working on concrete drilling, chiselling, and demolition tasks, as well as by experienced DIY users maintaining their Makita rotary hammer.
Also known as:
Striker bolt, percussion bolt, hammer mechanism bolt, impact pin, ram bolt, piston bolt, anvil bolt, hammer assembly fastener, percussion assembly bolt.
Fits Models:
HR4001C, HR4011C
Alternate Part Numbers:
3245693
