Description
Overview:
This Lock Button is a genuine Makita component (part number 454112-5) for SDS rotary hammers, designed to restore the original safety function on your tool. Moulded from durable, impact‐resistant polymer, it fits precisely within the handle assembly to prevent accidental activation of the trigger. The button provides a positive, reliable action and is engineered for long service life under site and workshop conditions. It is intended for Makita cordless SDS models in the BHR/DHR 24x series, including the BHR242 and BHR243, ensuring correct alignment and feel when installed. Choosing a genuine part helps maintain the tool's performance, safety and compatibility, making this a straightforward maintenance item when the original button is worn, cracked or missing.
Key Features:
- Genuine Makita part for assured compatibility and reliability
- Part number 454112-5 for easy identification and ordering
- Tough, wear‐resistant polymer construction for long‐lasting use
- Precisely moulded to suit the trigger housing on listed models
- Helps prevent accidental activation to support safe operation
- Restores the original control feel and safety function of the tool
- Straightforward to fit during routine handle or switch maintenance
- Suitable for trade users, DIY maintenance and hire fleet servicing
Typical Applications:
Used to replace a damaged, sticky or missing lock button on Makita SDS rotary hammers. Ideal after handle or switch servicing, or when refurbishing high‐use tools. Helps maintain safe operation during drilling and light chiselling in concrete, masonry and similar materials on site, in workshops, or in facilities maintenance.
Also known as:
Trigger lock, lock‐off button, safety interlock, switch lock, lockout button, power trigger inhibitor, start‐prevent button.
Fits Models:
BHR242, BHR243, DHR242RFE, DHR242RFEV, DHR242RMJ, DHR242RMJV, DHR242Z, DHR243RFE, DHR243RFEV, DHR243RMJ, DHR243RMJV, DHR243Z
Alternate Part Numbers:
4541125
Product Specifications
| L&S Part No. | 454112-5 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Makita |
| OEM No. | 454112-5 |
| Unit of Sale | 1 |
| Machine Type | Rotary Hammer |
| Fits Brands | Makita |
| Key Features | - Genuine Makita part number 454112-5 for SDS rotary hammers - Fits Makita BHR/DHR 24x series, including BHR242 and BHR243 - Impact-resistant polymer construction for durability - Prevents accidental trigger activation for safety - Easy installation during handle or switch maintenance |
| Fits Models | BHR242 | BHR243 | DHR242RFE | DHR242RFEV | DHR242RMJ | DHR242RMJV | DHR242Z | DHR243RFE | DHR243RFEV | DHR243RMJ | DHR243RMJV | DHR243Z |
