Original HiKOKI Power Tools Italia S.p.a. spare part - SEEGER. Item number: 6684664

Replacement part for the following products:

• Hitachi CG27EJ-SLNP
• Hitachi CG33EJ-LP
• Hitachi CG40EJ-T
• Hitachi CG47EY-T
• Hitachi CH27EPAP
• Hitachi CS 27EPAP
• Hitachi CG24EKS
• Tanaka TBC-230S
• Tanaka TBC600
• Hitachi CG22EJ
• Tanaka TBC-340
• Tanaka TBC-340D
• Hitachi CG27EJ (SLNP)
• SMART-FIT SFPH 270 S
• Tanaka TBC 265 IS
• Tanaka TBC500
• Tanaka TBC-290

Product Description

The genuine HiKOKI Power Tools SEEGER retaining ring (Part Number: 6684664) is a high-precision axial locking and retaining component. Engineered specifically for HiKOKI's professional power tool lineup (formerly Hitachi Power Tools), this elastic snap ring is vital for maintaining the stability of rotating or sliding mechanical assemblies.

As a genuine original equipment manufacturer (OEM) part, it ensures the perfect alignment of internal moving components, preventing the accidental slippage or displacement of bearings, gears, pins, or drive shafts under heavy operational stress.
Technical Specifications & Key Benefits

•     Premium Spring Steel: Manufactured from heat-treated spring steel, designed to maintain constant structural elasticity over time and deliver high resistance to yielding and axial deformation.
•     Secure Anti-Dislodgement Fit: Engineered with ultra-precise industrial tolerances to snap tightly into the shaft or housing groove, locking adjacent components firmly in place.
•     High Vibration Resistance: Successfully absorbs heavy impact loads and continuous high-vibration stress typical of rotary hammers, grinders, impact wrenches, or professional drills, eliminating the risk of structural failure.
•     Precise Installation: Features standard lug holes tailored for Seeger pliers, enabling quick, safe installation or removal during servicing without damaging surrounding mechanical seats.

Applications

Essential replacement part for overhauling gearboxes, drivetrain assemblies, or chuck mechanisms across HiKOKI/Hitachi power tools. Replacing the retaining ring is highly recommended during any major mechanical teardown to ensure maximum operational safety after reassembly.

All product specifications in this catalog are based on information taken from official sources, including the official manufacturer’s HiKOKI POWER TOOLS websites, which we consider as reliable. Unfortunately, even the official documents may contain mistakes and printing errors – we are not able to confirm that all of these data are precise and represent the facts. Most of the manufacturers reserve the right to change the product characteristics or complement without notice.We strongly recommend using the published information as a basic information subject to HiKOKI POWER TOOLS brand review. Please refine the important parameters by the selling assistant when making a purchase. All content included in this catalog is the intellectual property of www.bricoutensili.com. Any publication or copying (full or partial) without a reference to the source page is prohibited.