The Nakanishi NSK Mini-Luster ML-8 Attachment Handpiece (LS51307) is a reciprocating polishing handpiece designed for use with the EMax Evolution and ROTUS micromotor systems. Its pencil-style grip and fixed 0.8mm stroke make it exceptionally well suited for polishing narrow grooves, fine details, and hard-to-reach areas quickly and with minimal effort. Unlike a hammer handpiece, this tool produces very little impact force — its function is precision polishing, not percussion.
Use it with ceramic polishing sticks in a variety of grits, or attach Glardon-Vallorbe miniature files via the included grindstone holder for pre-polishing applications. The lightweight, compact body and minimal vibration design reduce hand fatigue during long, continuous work sessions.
Note: This is not a hammer handpiece. Impact strength in the stroke is minimal — it is intended for polishing use only.
Features
- Reciprocating stroke speed (variable): approximately 0–9,000 strokes/min
- Fixed stroke range: 0.8mm
- Maximum tool shank diameter: 0.13″ screw clamp type
- Pencil-type grip ideal for polishing narrow grooves and fine details
- Lightweight and compact with minimal vibration for fatigue-free extended use
- Grindstone holder accepts oil stone, super stone, diamond files, and similar tools
- Total handpiece length: 3.62″
- Weight: 5.12 oz.
Specifications
| Part Number | LS51307 |
|---|---|
| Stroke Range | 0.8mm (fixed) |
| Stroke Speed | 0–9,000 strokes/min (variable) |
| Max Tool Shank Diameter | 0.13″ screw clamp type |
| Total Length | 3.62″ |
| Weight | 5.12 oz. |
What’s Included
- LS10918 – Diamond Grindstone Tool DLA4-x-1-100
- 62951 – Grindstone Holder
- 60737 – Ceramic Fiber Grindstone Flat x 2, #1 200 (0.04″ x 0.24″ x 1.97″)
- Allen Wrench – 1.5mm
Compatibility
- EMax Evolution micromotor system
- ROTUS micromotor system







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