Description
Overview:
The Seal Lock Hex Socket Head Bolt M4 x 12 is a genuine replacement fastener for Hitachi and Hikoki cordless nailers, including the NT1850DBSL and NT1850DE. Made from high-quality steel, it is engineered to hold key assemblies securely where vibration and repeated firing can loosen standard fixings. The seal-lock design helps maintain clamp load for consistent tool performance. Sized M4 x 12 mm (approximately 0.16 x 0.47 inches), it is a direct-fit part that restores the nailer to manufacturer specification. As an OEM component (part number 886311), it supports safe operation and long service life when carrying out maintenance or repairs. Suitable for professional users and DIY owners who need a reliable, precise bolt for critical joints within the tool.
Key Features:
- Genuine Hitachi/Hikoki part for assured compatibility and fit (OEM 886311)
- Size: M4 x 12 mm (approx. 0.16 x 0.47 inches) for correct reach and thread engagement
- Steel construction for dependable strength under repetitive load
- Seal-lock feature helps resist loosening from vibration and impact cycles
- Precisely formed hex socket for positive drive and reduced risk of rounding
- Direct replacement that maintains tool integrity and safety
- Easy to fit with a standard hex key, keeping downtime low
- Suitable for routine servicing, repairs, and preventative maintenance
Typical Applications:
Used to secure assemblies within compatible Hitachi/Hikoki cordless nailers, such as body panels, guards, magazine components, and other vibration-prone joints. Ideal when replacing missing, worn, or damaged fixings during strip-downs, refurbishments, or routine inspections to keep firing performance stable and parts correctly aligned.
Also known as:
Allen head bolt, socket cap screw, cap head screw, M4 machine screw, M4 x 12 cap screw, seal-lock fastener.
Fits Models:
GBNF1850, GBNT1665, GBT1850K, GFN1664K, NT1850DBSL, NT1850DE, NT1865DBAL, NT1865DBSL, NT1865DM, NT1865DMA, NT50GS, NT65GA, NT65GB, NT65GS
Alternate Part Numbers:
886311
Product Specifications
| L&S Part No. | HKK886311 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Hitachi/Hikoki |
| OEM No. | 886311 |
| Unit of Sale | 1 |
| Applications | GBNF1850, GBNT1665, GBT1850K, GFN1664K, NT1850DBSL, NT1850DE, NT1865DBAL, NT1865DBSL, NT1865DM, NT1865DMA, NT50GS, NT65GA, NT65GB, NT65GS |
| Machine Type | Nailers |
| Fits Brands | Hikoki |
| Fits Models | NT1850DBSL | NT1865DBSL |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
