Description
Overview:
This Seal Lock Screw is a genuine Hikoki (formerly Hitachi) OEM fastener designed for secure, low‐profile fixing in professional and DIY power tools. Sized M5 x 6 mm, it is a hex socket set screw (grub screw) used in assemblies where vibration resistance and precise clamping are essential. Made from durable steel with a hardwearing dark finish, it helps maintain the integrity of circular saws and other saw platforms, supporting reliable performance under site and workshop conditions. It is engineered for Hikoki models including the C6BUY and C7BUY circular saws, among others, ensuring a correct fit and consistent torque retention. Ideal for routine maintenance and component replacement, this small but critical part helps keep guards, linkages, and housings firmly in place.
Key Features:
- Genuine Hikoki/Hitachi OEM part for assured fit and performance (OEM No. 319541)
- Metric size M5 x 6 mm for precise, low‐profile fastening
- Hex socket drive for positive engagement with a standard hex key
- Locking design helps resist loosening from vibration during cutting tasks
- Robust steel construction with a durable dark finish for abrasion and corrosion resistance
- Accurate thread and pitch for smooth installation and reliable clamping force
- Simple to fit; a like‐for‐like replacement that minimises downtime
- Suitable for a wide range of Hikoki saws for convenient stocking in kits and vans
- Supports safe, stable operation by securing key sub‐assemblies
- Ideal for preventative maintenance and replacing missing or worn fixings
Typical Applications:
Used for fastening components within circular and mitre saw assemblies where a headless, compact fixing is required. Commonly applied to retain guards, levers, fences, linkages, collars, and other internal parts that experience vibration. Suitable for workshop servicing, replacing lost or damaged screws, and ensuring consistent tool alignment and performance across busy sites.
Also known as:
Grub screw, M5 x 6 set screw, socket set screw, locking grub screw, internal hex grub screw, cap‐less set screw, vibration‐resistant set screw.
Fits Models:
C10FSH, C12LSH, C12RSH2, C18DBAL, C3607DA, C3607DRA, C6BUY, C6UY, C7BU3, C7BUY, C7SB3, C7U3, C7UY, C9BU3
Alternate Part Numbers:
319541, HKK319541
Product Specifications
| L&S Part No. | HKK319541 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Hitachi/Hikoki |
| OEM No. | 319541 |
| Unit of Sale | 1 |
| Applications | C10FSH, C12LSH, C12RSH2, C18DBAL, C3607DA, C3607DRA, C6BUY, C6UY, C7BU3, C7BUY, C7SB3, C7U3, C7UY, C9BU3 |
| Machine Type | Circular Saw |
| Fits Brands | Hikoki |
| Fits Models | C10FSH | C12LSH | C12RSH2 | C18DBAL | C3607DA | C3607DRA | C6BUY | C7BU3 | C7BUY | C7SB3 | C7UY | C9BU3 |

