Espert 500 Torque Set

Espert 500

A precision power hand tool system with a wide range of attachments suitable for grinding, smoothing, polishing and deburring. An exclusive new feature of the Espert 500 system, the FiXpeed® system allows the user to independently preset the speed of motor A and motor B. For example motor A can be set to maintain the speed set by the FiXpeed® system while motor B has variable control using a foot pedal. This function allows for unprecedented flexibility.

  • Self Check Function (Maintenance Mode)
  • Smooth Operation
  • Operation Check Sound
  • Highly Visible and easy to operate front panel
  • 2-Digit Digital Display
  • Error Code Display Function

espert 500 handpiece

Model Set Standard Accessories Code
ES50C-HR Standard Control Unit (NE96) : 1 pc.
Compact Motor Handpiece (ENK50C-HR) : 1 pc.
Collet Chuck ø3.0 mm (CHH-3.0), ø2.35 mm (CHH-2.35) : 1 pc. each
Handpiece Holder : 1 pc. Handpiece Stand : 1 pc. Spanner (7 x 5.1) : 1 pc. Pin Spanner : 1 pc. L-Spanner (9) : 1 pc.
340024
ES50T-HR Torque Control Unit (NE96) : 1 pc.
Compact Motor Handpiece (ENK50T-HR) : 1 pc.
Collet Chuck ø3.0 mm (CHH-3.0), ø2.35 mm (CHH-2.35) : 1 pc. each
Handpiece Holder : 1 pc. Handpiece Stand : 1 pc. Spanner (7 x 5.1) : 1 pc. Pin Spanner : 1 pc. L-Spanner (9) : 1 pc.
340002

Speed : 1,000~50,000 min-1

Speed is steplessly variable from 1,000~50,000 min-1. Smooth and powerful torque is delivered at both high and low speeds. The extremely high maximum speed of 50,000 min-1 allows high precision micro-machining.

Nakanishi (NSK) Smart Switch

The switch provides a click sensation and a confirmation tone is produced by the control unit when the switch is operated. The motor type is distinguishable by the switch color.

2 Types of Motors

Very high torque from compact motors. Compact Type (ENK-500C) 140W (Blue) Torque Type (ENK-500T) 200W (Grey)

Excellent Durability

High performance brushless motor eliminates the need to change carbon brushes. NSK’s internal load test has proven continuous use for more than 5,000 hours.*

12 Types of Attachments Available

All of the Espert 400 system attachments are available for use with this system. 11 different types of attachments and 1 speed reducer making an almost infinite number of applications possible.

Wide Range of Collet Chucks Available

Collet sizes range from a tiny 0.3 mm up, with a wide variety of sizes available. Tools can be changed without the use of any wrenches.

Special Dust-Proof Mechanism

The handpiece has a patented built-in-dust protection system to prevent the infiltration of dust and debris into the front bearings. This NSK patented design assures long-term durability.

Attachments for Espert 500

Product Description / Standard Accessories Model Code
Espert 500 Control Unit Espert 500
Control Unit
Power Source : AC120/230V, 50-60Hz
Dimensions : W172 x D230 x H94 mm
Weight : 2.6 kg
Accessories : Handpiece Stand: 1 pc. Handpiece Holder: 1 pc.
NE96 120 340482
NE96 230 339990
Compact Type Motor Compact Type Motor Small, lightweight, high-speed brushless DC motor.
Incorporates the NSK Smart Switch for easy on/off operation.
Very low vibration noise and maintenance.
Weight : 115 g excluding cord
Output Power : 140W
Maximum Torque : 6.0 cN·m
Cord Length : 1.5 m
ENK-500C 340005
Torque Type Motor Torque Type Motor High-power, high-torque, high-speed brushless DC motor.
Incorporates the NSK Smart Switch for easy on/off operation.
Very low vibration noise and maintenance.
Weight : 160 g excluding cord
Output Power : 200W
Maximum Torque : 8.7 cN·m
Cord Length : 1.5 m
ENK-500T 340007
Ring Type
Attachment Ring Type
Attachment
Manufactured with micron level precision for high accuracy and high reliability.
Slim, lightweight design allows for fine finishing of delicate parts.
Ring Type one touch bur release.
Collet Chuck: Standard Size : ø3.0 mm (CHH-3.0), ø2.35 mm (CHH-2.35) : 1 pc. each
Spanner (7 x 5.1) : 1pc. Pin Spanner : 1pc. L Spanner (9) : 1pc.
Weight : 94 g
50,000 min-1 Max. (*1) 40,000 min-1 Max. (*2)
EHR-500 340008
Lever type Attachment Lever type
Attachment
To attain more powerful grinding and fine polishing finish, attachment EHL-401 is designed to make it lightweight and fit to pen-grip type holding.
Simple lever turning for bur exchange.
Same chuck as used in EHR-500.
Collet Chuck: Standard Size : ø3.0 mm (CHH-3.0), ø2.35 mm (CHH-2.35) : 1 pc. each
Spanner (7 x 5.1) : 1 pc.
Weight : 70 g
50,000 min-1 Max. (*1) 40,000 min-1 Max. (*2)
EHL-401 340035
Torque Type Attachment Torque Type Attachment Torque type attachment used with ø6 mm chuck diameter as standard and nicely fits in hand-grip.
Collet Chuck: Standard Size : ø6.0 mm (CHG-6.0) : 1 pc.
Spanner (10 x 10) : 1 pc.
Bar Wrench (K-212) : 1 pc.
Weight : 110 g
40,000 min-1 Max. (*1) 30,000 min-1 Max. (*2)
EHG-400 340006
90°Angle
Attachment 90°Angle
Attachment
90°Angle Attachment with ø3 mm Collet Chuck is conveniently small and equally suitable for polishing flat surfaces with rubber pad paper disk, corner work, and grinding the inside of a pipes.
Speed Reduction Ratio : 3/4
Weight : 54 g
Collet Chuck: Standard Size : ø3.0 mm (CHC-3.0) : 1 pc. Chuck Wrench (K-231) : 1 pc. Spanner (20 x 24) : 1 pc.
Standard Accessories : Rubber Pad, Paper Disk (1 set)
40,000 min-1 Max. (*1) 20,000 min-1 Max. (*2)
EIC-300 340014
90°Angle Torque Attachment 90°Angle Torque
Attachment
90°Angle type is suitable for the work of corner and the grinding of the inside of pipe.
Speed Reduction Ratio : 1/1.5
Weight : 107 g
Collet Chuck: Standard Size : ø3.0 mm (CHS-3.0) : 1 pc.
Spanner (8 x 5), (7 x 5.1), (20 x 24):1 pc. each
40,000 min-1 Max. (*1) 20,000 min-1 Max. (*2)
ERA-270 340009
50°Angle
Attachment 50°Angle
Attachment
50°Angle Attachment is suitable for working in corners, cavities, etc.
Reverse rotation against the motor
Speed Reduction Ratio : 3/4
Weight : 54 g
Collet Chuck: Standard Size : ø3.0 mm (CHC-3.0) :1pc.
Standard Accessories : Rubber Pad, Paper Disk (1 set). Chuck Wrench (K-231) : 1 pc. Spanner (20 x 24) : 1 pc.
40,000 min-1 Max. (*1) 20,000 min-1 Max. (*2)
EKC-300 340011
Mini-luster
Attachment (Pencil-Type Reciprocating Polishing Finisher) Mini-luster
Attachment
(Pencil-Type
Reciprocating
Polishing Finisher)
Reciprocating Stroke (variable) : 0~10,000 times/min (Max.)
Stroke Range : 0.8, 0.4, 0.2 mm (3 different models)
Mountable tool shaft diameter : Max. shaft diameter ø3.2 mm, Screw clamp type.
Standard Accessories : 1 set. Allen Wrench (1.5 mm) : 1 pc.
Weight : 130 g
30,000 min-1 Max. (*2)
EML-8 (Stroke 0.8 mm) 340012
Luster Attachment (Reciprocating Motion Polishing Finisher) Luster Attachment (Reciprocating Motion Polishing Finisher) Reciprocating Stroke (variable) : 0~7,600 times/min (Max.)
Perfect for final finishing such as lapping and honing after grinding. Streamlines conventional hand-finishing of metal molds.
Reciprocating type compact special polisher for ESPERT motor.
Stroke is adjustable from 0~6 mm.
Mountable tool shaft diameter : Max. shaft diameter ø6.4 mm, Screw clamp type.
Weight : 680 g
Standard Accessories : 1 set. Allen Wrench (2 mm) : 1 pc. Lubrication Oil. Lubrication Nozzle for Luster
30,000 min-1 Max. (*1)
ELS-100 340010
Fine Belt Sander Attachment Fine Belt Sander Attachment The angle of belt section is steplessly adjustable.
Width of Belt : 8 mm, 6 mm, 4 mm. 2 pcs. each
Allen Wrench (3 mm) : 1 pc
Weight : 355 g
Belt Speed : 0~940 m/min (Max.)
40,000 min-1 Max. (*1) 30,000 min-1 Max. (*2)
EBS-100 340026
Auto Tool Change Spindle Attachment Auto Tool
Change Spindle
Attachment
This spindle is designed to be used for printed circuit board drilling, etc. It can be used on a special purpose machine and enables automatic tool replacement by simply applying air pressure. It is also a high-accuracy spindle assembled with precision ball bearings.
To reduce the weight, the outer housing is made of aluminum (Hard anodized aluminum)
Collet Chuck: Standard Size : ø3.175 mm (CHP-3.175) : 1 pc.
Spanner (8 x 5), (7 x 5.1) : 1 pc. each
Bar Wrench (K-236) : 1 pc.
Weight : 300 g
30,000 min-1 Max. (*1)
ENR-420 ATC 340023
Speed
Reducer (1/4) Speed
Reducer (1/4)
The speed is reduced to 1/4 but the torque is multiplied by 4 times.
mounting it in between the motor and the attachment.
Weight : 65 g
40,000 min-1 Max. (*1) 30,000 min-1 Max. (*2)
ERG-01B 340016
Speed
Reducer (1/4) Speed
Reducer (1/4)
Emax EVOlution, ELECTER E-max and ROTUS attachments can be connected using these adaptors.
The speed is reduced to 1/4 but the torque is multiplied by
4 times.
Weight : 62 g
40,000 min-1 Max. (*1) 30,000 min-1 Max. (*2)
ERG-01 340017
Extension
Adaptor Extension
Adaptor
Emax EVOlution, ELECTER E-max and ROTUS attachments can be connected using these adaptors.
Speed Ratio 1 : 1
Weight : 31 g
40,000 min-1 Max. (*1) 30,000 min-1 Max. (*2)
ECN-011 340018

Parts

Product Description Specification Model Code
Compact Motor Cord Compact Motor Cord Compact Motor Cord (1.5 m Long) ENKCD-50C 340433
Torque Motor Cord Torque Motor Cord (1.5 m Long) ENKCD-50T 340431
Foot Pedal Foot Pedal Variable Speed Control Foot Pedal FC-40 340428
Espert 500 Handpiece Stand Espert 500 Handpiece Stand   K-274 340434