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Pencil Grinders (Electric)

Micro grinders (electric) are tools that perform grinding and polishing with tip tools attached. They are suitable for work such as deburring and general grinding and mirror surface polish finishing. They are pen types, so they can handle detailed grinding and polishing work. Rotational speed can be adjusted and tip attachments changed to enable low-speed rotation for materials that cannot be worked on with high-speed rotation. Also, the tip part can be changed according to the diameter and shape of the tool used. Tip part materials include ceramic points and zirconia rotary burs. Ceramic points are suited for general polishing work as well as polishing of precious metal items and precision parts. The tip tool used must be selected according to the material it is used on.

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Product Series
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Product Model
Model
Unloaded Rotational Speed(min-1)
Mounting Collet(mm)
Overall Length(mm)
Major Diameter(mm)
Reciprocations(min-1)
Belt Speed(m/min)
Maximum Amplitude
Accessories

    Ultraprecision Brushless Micro Grinder Expert 500 Compact Motor

      90° Angle Attachment

        Emax Evolution Standard Motor

          POLYTOR Ultrasonic Polishing Handpiece

            Micro Finisher UL-40W

              Power Pack

                Standard EMax Evolution Standard Set

                  Emax Evolution Control Unit

                    Electrodeposited Diamond Bur / CBN Bur Shaft Diameter ø3.0

                      Electric Grinder Set / Single Unit Controller / Single Unit Hand Piece

                        Eco Grande Strong Hand Piece

                          Precision Handpiece Grinder HP-200S

                            Micro Grinder Standard Rotary, High Speed Type

                              Micro Grinder Heavy Duty Rotary

                                Mini-Pen

                                  Maxima 80 Torque Handpieces

                                    Ring Type Attachment

                                      45° Angle Attachment

                                        Mini Router, Special Misumi Set A

                                          Micro Grinder Standard Rotary, Middle Speed Type

                                            D.C. Power Pack (2 Station Type)

                                              Reciprocating Motion File Recipron

                                                Carbide Cutter Shaft Diameter ø6.0

                                                  Felt Buff Sisal (Hemp) Buff Shaft Diameter ø2.34, ø3.0, ø6.0

                                                    Gold II

                                                      Electric Grinder

                                                        Ultrasonic Polishing Equipment LS-45

                                                          EMAX Evolution Torque Motor

                                                            Torque Motor

                                                              High Speed Rotary Tool 4000

                                                                Deflector

                                                                  Micro Grinder Standard Rotary, Ultra High Speed Type

                                                                    Micro Grinder Slender Rotary

                                                                      Mini Belt Sander

                                                                        Electrodeposited Diamond Bur / CBN Bur Shaft Diameter ø6.0

                                                                          Precision Steel Cutter Sawblade

                                                                            Felt Buff Diameter ø2.34

                                                                              Minikong NX

                                                                                Mini-Pen Power Unit

                                                                                  Mini-Pen Motor Unit

                                                                                    Gold II, Motor Unit

                                                                                      Minikong NX Item

                                                                                        Battery Type Micro Grinder (Shaft Diameter 2.34 mm)

                                                                                          Collet Chuck

                                                                                            EMAX Evolution Torque Set

                                                                                            Brand

                                                                                            NAKANISHI

                                                                                            NAKANISHI

                                                                                            NAKANISHI

                                                                                            MINITOR

                                                                                            SOWAKASEI

                                                                                            MINITOR

                                                                                            NAKANISHI

                                                                                            NAKANISHI

                                                                                            NAKANISHI

                                                                                            URAWA

                                                                                            ARGOFILE

                                                                                            MRMEISTER

                                                                                            MINITOR

                                                                                            MINITOR

                                                                                            NIHONNSEIMITU

                                                                                            ARGOFILE

                                                                                            NAKANISHI

                                                                                            NAKANISHI

                                                                                            Hozan

                                                                                            MINITOR

                                                                                            MINITOR

                                                                                            MINITOR

                                                                                            NAKANISHI

                                                                                            NAKANISHI

                                                                                            NIHONNSEIMITU

                                                                                            URAWA

                                                                                            NIHONNSEIMITU

                                                                                            NAKANISHI

                                                                                            NAKANISHI

                                                                                            DREMEL

                                                                                            DREMEL

                                                                                            MINITOR

                                                                                            MINITOR

                                                                                            MINITOR

                                                                                            NAKANISHI

                                                                                            NAKANISHI

                                                                                            NAKANISHI

                                                                                            YANASE

                                                                                            NIHONNSEIMITU

                                                                                            NIHONNSEIMITU

                                                                                            NIHONNSEIMITU

                                                                                            YANASE

                                                                                            URAWA

                                                                                            ARGOFILE

                                                                                            NAKANISHI

                                                                                            Product Series

                                                                                            Ultraprecision Brushless Micro Grinder Expert 500 Compact Motor

                                                                                            90° Angle Attachment

                                                                                            Emax Evolution Standard Motor

                                                                                            POLYTOR Ultrasonic Polishing Handpiece

                                                                                            Micro Finisher UL-40W

                                                                                            Power Pack

                                                                                            Standard EMax Evolution Standard Set

                                                                                            Emax Evolution Control Unit

                                                                                            Electrodeposited Diamond Bur / CBN Bur Shaft Diameter ø3.0

                                                                                            Electric Grinder Set / Single Unit Controller / Single Unit Hand Piece

                                                                                            Eco Grande Strong Hand Piece

                                                                                            Precision Handpiece Grinder HP-200S

                                                                                            Micro Grinder Standard Rotary, High Speed Type

                                                                                            Micro Grinder Heavy Duty Rotary

                                                                                            Mini-Pen

                                                                                            Maxima 80 Torque Handpieces

                                                                                            Ring Type Attachment

                                                                                            45° Angle Attachment

                                                                                            Mini Router, Special Misumi Set A

                                                                                            Micro Grinder Standard Rotary, Middle Speed Type

                                                                                            D.C. Power Pack (2 Station Type)

                                                                                            Reciprocating Motion File Recipron

                                                                                            Carbide Cutter Shaft Diameter ø6.0

                                                                                            Felt Buff Sisal (Hemp) Buff Shaft Diameter ø2.34, ø3.0, ø6.0

                                                                                            Gold II

                                                                                            Electric Grinder

                                                                                            Ultrasonic Polishing Equipment LS-45

                                                                                            EMAX Evolution Torque Motor

                                                                                            Torque Motor

                                                                                            High Speed Rotary Tool 4000

                                                                                            Deflector

                                                                                            Micro Grinder Standard Rotary, Ultra High Speed Type

                                                                                            Micro Grinder Slender Rotary

                                                                                            Mini Belt Sander

                                                                                            Electrodeposited Diamond Bur / CBN Bur Shaft Diameter ø6.0

                                                                                            Precision Steel Cutter Sawblade

                                                                                            Felt Buff Diameter ø2.34

                                                                                            Minikong NX

                                                                                            Mini-Pen Power Unit

                                                                                            Mini-Pen Motor Unit

                                                                                            Gold II, Motor Unit

                                                                                            Minikong NX Item

                                                                                            Battery Type Micro Grinder (Shaft Diameter 2.34 mm)

                                                                                            Collet Chuck

                                                                                            EMAX Evolution Torque Set

                                                                                            Days to Ship 4 Days 4 Days 4 Days 4 Days 10 Days 6 Days 4 Days 4 Days 4 Days 4 Days 5 Days 4 Days 4 Days 4 Days 4 Days 5 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 5 Days 4 Days 8 Days 4 Days 5 Days 4 Days 4 Days 5 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 5 Days 4 Days
                                                                                            Product ModelBodyBodyRelated productsBodySetRelated productsSetRelated productsBodyBodyBodyBodyBodyBodyBodyBodyBody / Related productsBodySetBodyRelated productsBodyBodyBodyBodyBodyBodyRelated productsRelated productsBodyRelated productsBodyBodyBodyBodyBodyBodyBodyBodyBodyBodyBody / Related productsBody / Related productsRelated productsSet
                                                                                            Model-Rotary Type-Left / Right Reciprocating MotionOscillating Model-Rotary Type-Rotary Type-Rotary TypeHand PieceRotary TypeRotary Type-Rotary TypeRotary TypeRotary TypeRotary TypeRotary Type-Reciprocating MotionRotary TypeRotary Type-------Rotary TypeRotary TypeBelt TypeRotary TypeRotary TypeRotary Type----Control Box / Hand Piece / Fit Switch--Rotary Type
                                                                                            Unloaded Rotational Speed(min-1)-~200001000~40000---1000~400001000~40000-3500~350001000~40000-1000~30000 ~ 1000~350001000~15000 ~ 1000~300004,000~35,0000~3500035000~200007000~165001000~15000 ~ 1000~25000----4,000~38,0002000~20000-1000~250001000~270005,000~32,000-2000~500001000~20000 ~ 2000~50000----35000-4,000~35,0004,000~38,0001000~35000--1000~25000
                                                                                            Mounting Collet(mm)----------3-2.3462.34/33---2.34----2.34/32.34---2.4/3.2--2.34------2.34/32.34/3-2.343 ~ 3.175-
                                                                                            Overall Length(mm)-57.3-133.5----40 ~ 54-161-160 ~ 167177-1506461.9195149 ~ 167-14050 ~ 7645-----230-147145 ~ 15816045 ~ 89-45 ~ 55150---156---
                                                                                            Major Diameter(mm)-12.8-30.4------27-29 ~ 3333-261312.8-29 ~ 33-----------2929----29.5---29.5---
                                                                                            Reciprocations(min-1)---------------------260~3500 ~ 460~7000-----------------------
                                                                                            Belt Speed(m/min)---------------------------------49.2~700-----------
                                                                                            Maximum Amplitude---4545μm---------------------20------------------
                                                                                            AccessoriesNot IncludedIncludedNot IncludedIncluded--IncludedNot Included---Included----IncludedIncludedIncluded--------Not IncludedNot IncludedIncluded--------------Included

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