Espert 500 Torque Set

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 colour.

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	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	340013
			NE96 230	339990
	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	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	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	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 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 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 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 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)	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)	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	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
	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)	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	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 (1.5 m Long)	ENKCD-50C	340433
	Torque Motor Cord	Torque Motor Cord (1.5 m Long)	ENKCD-50T	340431
	Foot Pedal	Variable Speed Control Foot Pedal	FC-40	340428
	Espert 500 Handpiece Stand		K-274	340434