NAKANISHI Emax Evolution Attachments Explained: Which One for Which Job
The Emax Evolution from NAKANISHI (sold as NSK in some countries) is a micro grinder system: one control unit and motor, and a range of attachments that turn it into an angle grinder, a long-reach grinder, a belt sander or a reciprocating polisher. This guide explains what each attachment does, so you can pick the one for the job in front of you.
Quick picks by job
Corners and flat faces
IC-300 (90° angle)
Comes with rubber pads and sanding discs for surface finishing.
View IC-300
Inside small holes
MFC-300M (mini angle)
90° mini head for deburring inside small holes. 1.6 mm collet.
View MFC-300M
Narrow slots and edges
KBS-101 (belt sander)
Fine belt sander for 4, 6 and 8 mm belts, with sample belts included.
View KBS-101
6 mm shank tools
HG-200 (6 mm torque)
Takes 6 mm shank tools. Use with the ENK-250T torque motor.
View HG-200- Corners, inside faces, sanding with discs: IC-300 (90°) or KC-300 (50°) angle attachment.
- Deburring inside small holes: MFC-300M mini angle attachment.
- Grinding at the bottom of a deep hole: BMH-300 long attachment.
- Bigger bits (6 mm shank): HG-200, with the ENK-250T torque motor.
- Narrow grooves and edges: KBS-101 belt sander.
- Reciprocating polishing (stones or sandpaper): LS-100 luster polisher.
- Straight grinding with lever-operated tool changes: IH-300 lever-type attachment.
How the Emax Evolution system fits together
The system has three parts: the control unit (NE249), a motor, and an attachment that holds the tool. Two motors are offered:
- ENK-410S standard motor: 1,000–40,000 min⁻¹, max torque 4.3 cN·m
- ENK-250T torque motor: 1,000–25,000 min⁻¹, max torque 4.8 cN·m, for heavier work and larger tools
Distributors list the attachments in this guide as Emax Evolution attachments; the HG-200 is meant for the ENK-250T torque motor. A FC-64 foot pedal lets you control speed hands-free.
Emax Evolution attachments at a glance
| Attachment | Type | Best for | Collet / tool | Max no-load speed |
|---|---|---|---|---|
| IH-300 | Lever-type straight | General grinding with lever-operated tool changes | 3.0 and 2.35 mm collets | 35,000 min⁻¹ |
| IC-300 | 90° angle | Corners, inside faces, disc sanding | 3.0 mm collet; rubber pads and sanding discs included | 30,000 min⁻¹ |
| KC-300 | 50° angle | Corners, inside faces, disc sanding | 3.0 mm collet; rubber pads and sanding discs included | 30,000 min⁻¹ |
| MFC-300M | 90° mini angle | Deburring and finishing inside small holes | 1.6 mm collet | 15,000 min⁻¹ |
| BMH-300 | Long | Deep-hole grinding (ø13 mm body) | Not confirmed | 35,000 min⁻¹ (Kemet) |
| HG-200 | 6 mm torque | Larger bits; use with ENK-250T | 6.0 mm collet | 30,000 min⁻¹ |
| KBS-101 | Fine belt sander | Narrow grooves, edges | 4, 6 and 8 mm belts (300 mm loop) | 30,000 min⁻¹ |
| LS-100 | Reciprocating luster polisher | Polishing with stones or sandpaper | 0–6 mm stroke, 0–6,300 strokes/min | 25,000 min⁻¹ |
Speeds and contents are from NAKANISHI catalog data shown on each product page. Some distributors list slightly different maximum speeds; always follow the manual that comes with your attachment.
Angle attachments: IC-300 (90°) and KC-300 (50°)
NAKANISHI developed these angle attachments for working in corners, on inside surfaces, and for surface finishing with rubber pads. With different discs, they also grind and polish flat faces and end faces quickly, according to the NAKANISHI manual.
The IC-300 has a 90° head and the KC-300 a 50° head. Both come with a 3.0 mm collet (CHC-3.0), rubber pads for 10, 20 and 30 mm discs, and sanding discs in 11, 21 and 31 mm (#180 and #600, five each). The manual also notes that the KC-300 turns in the opposite direction to the motor.
View IC-300Small and deep holes: MFC-300M and BMH-300
The MFC-300M is a 90° mini angle attachment designed for finishing and deburring inside small holes, such as removing burrs and edges or correcting drilled holes. NAKANISHI calls the M type the smallest 90° head in its range. It takes 1.6 mm shank tools and must run at 15,000 min⁻¹ or less.
For deep holes, the BMH-300 is a long attachment with a ø13 mm body, listed by Kemet for deep-hole grinding.
View MFC-300MBigger bits: HG-200 6 mm torque attachment
Most micro grinder bits have 3 mm or 2.35 mm shanks. The HG-200 takes 6 mm shank tools (6.0 mm collet included), so you can use larger bits. Pair it with the ENK-250T torque motor.
View HG-200Sanding and polishing: KBS-101 and LS-100
- KBS-101 fine belt sander: takes 4, 6 and 8 mm belts (300 mm loop). Comes with two each of 4, 6 and 8 mm belts in #120, #240 and #400.
- LS-100 luster polisher: a pistol-type attachment that turns rotation into a back-and-forth stroke, adjustable from 0 to 6 mm. It comes with stick holders, angle pads and sandpaper tips (#120, #320, #600 and #1000).
Own an Espert 500 instead?
NAKANISHI's Espert 500 uses its own motors (ENK-500C and ENK-500T) and its own attachments. We stock the HER-500 ring-type, EHL-401 lever-type, EIC-300 90° angle and ES50C-HR 6 mm torque-type attachments. Do not mix Espert 500 and Emax Evolution parts unless the product page lists your motor.
FAQ
Is NAKANISHI the same as NSK?
The Emax Evolution is NAKANISHI's product. Some distributors outside Japan sell it under the NSK name.
Do these attachments fit both Emax Evolution motors?
Distributors list them for the Emax Evolution system, and the HG-200 is meant for the ENK-250T torque motor. Check the compatible motors on each product page. The MFC-300 manual also lists the ROTUS IM-300 and IM-301 as compatible.
Which bits should I use?
See our guide Carbide vs diamond vs CBN burs for which bit suits which material.
Related
Shipped directly from Japan
We ship genuine NAKANISHI tools from Osaka with tracking (Japan Post, FedEx or DHL). For US orders, import duties are included in the price.
Browse NAKANISHI attachmentsSources
- Kemet (UK distributor): Emax Evolution grinder and polisher: attachment types, BMH-300 size and speed, motor specifications, control unit
- NAKANISHI manual: 90°/50° angle attachments IC/EIC/KC/EKC-300: uses, reverse rotation of KC-300
- NAKANISHI manual: MFC-300 mini angle attachment: uses, 1.6 mm shank, 15,000 min⁻¹, compatible motors
- Gesswein (US distributor): Emax Evolution sold under the NSK name
- Product specifications (speeds, collets, dimensions, set contents, voltage): NAKANISHI catalog data via Orange Book (TRUSCO), shown on each linked product page
