Description
Overview:
This genuine Hitachi/Hikoki pushing button is a direct replacement for OEM No. 321311 used on a range of rotary hammer drills. It is a small but critical control part that actuates the internal switch mechanism, restoring positive, reliable operation of your tool. Manufactured from hard‐wearing polymer in a compact, contoured form, it withstands regular site use and frequent actuation without deforming. Designed specifically for Hitachi and Hikoki machines, it fits selected models including DH38MS and DH40MRY, with full compatibility listed below. Ideal for both professional and DIY maintenance, it helps prevent intermittent starts and poor switch feel caused by a worn or damaged button. Using the correct OEM component preserves safety, performance, and the original feel of the drill's controls.
Key Features:
- Genuine Hitachi/Hikoki part for assured compatibility (OEM No. 321311)
- Designed for rotary hammer drills; restores crisp, reliable switch actuation
- Durable, impact‐resistant polymer for long service life on site
- Precision-moulded for correct alignment and smooth button travel
- Helps prevent intermittent operation caused by worn or cracked buttons
- Straightforward to fit for competent users, minimising downtime
- Supports routine servicing and extends the useful life of the tool
- Maintains the original ergonomics and control feel of the drill
Typical Applications:
Replacement of a broken, loose, or sticking push button on Hitachi/Hikoki hammer drills used for drilling anchor holes, chiselling, light breaking, and general construction tasks. Suitable for preventative maintenance in workshops, on site, and in hire fleets to keep tools operating safely and consistently.
Also known as:
Start button, switch button, power button, push switch, switch actuator, actuator cap, control button.
Fits Models:
DH28PC, DH28PD, DH30PC2, DH38MS, DH40MR, DH40MRY, DH45MR, DH50MR, DH50MRY
Alternate Part Numbers:
321311
Product Specifications
| L&S Part No. | HKK321311 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Hikoki |
| OEM No. | 321311 |
| Unit of Sale | 1 |
| Machine Type | Hammer Drill |
| Fits Brands | Hikoki |
| Key Features | - Genuine Hitachi/Hikoki part, OEM No. 321311 - Fits models including DH38MS, DH40MRY - Durable polymer withstands frequent use - Restores reliable switch actuation - Prevents intermittent operation from worn buttons |
| Fits Models | DH28PC | DH28PD | DH30PC2 | DH38MS | DH40MRY | DH45MR | DH50MR | DH50MRY |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£83.17 £69.31 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£83.68 £69.73
Related Products
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£83.17 £69.31 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£83.68 £69.73
