Products

Suppliers
Filter Gallery
479

Wholesale Laboratory Carbide Burs

Products
Tungsten Carbide Bur Diamond Bur

Sorry! No matches were found.

VHF Milling Burs Cadcam Tungsten Carbide End Mill Dental Laboratory Supplies

VHF Milling Burs Cadcam Tungsten Carbide End Mill Dental Laboratory Supplies

US $ 12.99-18.99 / Piece FOB
50 Pieces (MOQ)
More
Main Products: Dental Zircona Blocks, CAD Cam Equipment, Glass Ceramic, Dental Pink PMMA, Stain and Glaze, Milling Burs, Polishing Burs, Wax, Dental Ingots, Dental Multilayer PMMA
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Godzillaking Biotechnology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
High Guality Fg Tungsten Surgical Laboratory Dental Carbide Bur

High Guality Fg Tungsten Surgical Laboratory Dental Carbide Bur

US $ 0.12-0.3 / Piece FOB
100 Pieces (MOQ)
More
Material : High-Speed Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Guangzhou Guotang Health Industry Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2020
Chat Now Send Inquiry
Cone-Shaped Dental Laboratory Use Tungsten Carbide Burs

Cone-Shaped Dental Laboratory Use Tungsten Carbide Burs

US $ 4.5 / pack FOB
300 pack (MOQ)
More
Main Products: Dental Bibs, Non Woven SMS, Mirco Applicator, Face Mask, Saliva Ejector, Dental Needle, Sterilization Pouch, Sterilization Reel, Isolation Gown, Coverall
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Anqing Topeak Medical Co., Ltd.

Anhui, China Since 2019
Chat Now Send Inquiry
Lab Burs Carbide Ceramics Milling Cutter/Dental Cadcam Milling Burs

Lab Burs Carbide Ceramics Milling Cutter/Dental Cadcam Milling Burs

US $ 17.23-22.31 / Piece FOB
50 Pieces (MOQ)
More
Nature : Shared Instrument Equipment
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Godzillaking Biotechnology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Tungsten Dental Surgical Lab Fg Long Shank Carbide Burs

Tungsten Dental Surgical Lab Fg Long Shank Carbide Burs

US $ 0.12-0.3 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Dental Consumables, Oral Care, Dental Equipment, Teeth Whitening
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Guangzhou Guotang Health Industry Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2020
Chat Now Send Inquiry
HP Tungsten Carbide Lab Dentistry Diamond Bur for Dentistry

HP Tungsten Carbide Lab Dentistry Diamond Bur for Dentistry

US $ 0.13-0.27 / Piece FOB
250 Pieces (MOQ)
More
Power Source : Pneumatic
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Foshan Senda Medical Instrument Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Dental Lab HP Shank for Straight Handpieces Carbide Burs

Dental Lab HP Shank for Straight Handpieces Carbide Burs

US $ 8-10 / Piece FOB
1 Piece (MOQ)
More
Main Products: Dental Bracket, Acrylic Resin Teeth, Dental Chair, Dental Air Compressor, Dental X Ray Machine, Dental Sterilization, Teeth Whitening Machine, Dental Apex Locator, Dental Endo Motor, Dental Handpiece
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Zhengzhou Ulike Dental Equipment Co., Ltd.

Manufacturer/Factory

Henan, China Since 2021
Chat Now Send Inquiry
Dental Tungsten Carbide Burs Dental Lab Use

Dental Tungsten Carbide Burs Dental Lab Use

US $ 4.5-5 / Piece FOB
10 Pieces (MOQ)
More
Usage : Orthodontic Material, Dental Preventive Health Care Materials, Filling Material
Contact Supplier
Audited Supplier Audited Supplier Since 2018
Foshan Toye Dental Equipment Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2018
Chat Now Send Inquiry
High Quality Medical Drilling Consumables Manufacturer Low Speed Taper Cross Cut Fissure Laboratory Carbide Bur HP-701 ISO 168/012

High Quality Medical Drilling Consumables Manufacturer Low Speed Taper Cross Cut Fissure Laboratory Carbide Bur HP-701 ISO 168/012

500 Pieces (MOQ)
More
Main Products: Fg/Ra/HP Carbide Burs, CNC HP Carbide Cutters, Silicon Rubber Polishing Cutter, Common HP Carbide Cutter, HP Exact Mandrel, Ent, Dental Drill/Bur, Mounted Stone
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Shaanxi Hanrui Med-Tech Co., Ltd.

Manufacturer/Factory,Trading Company

Shaanxi, China Since 2017
Chat Now Send Inquiry
Dental Lab Drill Tungsten Carbide Fg Surgical Endodontic Access Burs Endo Z

Dental Lab Drill Tungsten Carbide Fg Surgical Endodontic Access Burs Endo Z

US $ 0.95-1.1 / pcs FOB
100 pcs (MOQ)
More
Applicable Departments : Oral Surgery
Contact Supplier
Since 2024
SunDent Equipment Co Limited

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
High Quality Dental Laboratory HP Carbide Burs for Low Speed Straight Handpiece

High Quality Dental Laboratory HP Carbide Burs for Low Speed Straight Handpiece

US $ 8-10 / Piece FOB
1 Piece (MOQ)
More
Main Products: Dental Bracket, Acrylic Resin Teeth, Dental Chair, Dental Air Compressor, Dental X Ray Machine, Dental Sterilization, Teeth Whitening Machine, Dental Apex Locator, Dental Endo Motor, Dental Handpiece
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Zhengzhou Ulike Dental Equipment Co., Ltd.

Manufacturer/Factory

Henan, China Since 2021
Chat Now Send Inquiry
Cylindrical Shape Round End Carbide Bur Sc Dental Lab Burs

Cylindrical Shape Round End Carbide Bur Sc Dental Lab Burs

US $ 1.2-2.5 / Piece FOB
100 Pieces (MOQ)
More
Certification : CE
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Bestdent Foshan Medical Equipment Co., Ltd.

Trading Company

Guangdong, China Since 2020
Chat Now Send Inquiry
Dental Consumables Dental Drill & Accessories Dental Apparatus Milling Cutter Surgical Instrument Dental Kit
Godzillaking Dental Laboratory Milling Bur Carbide Ceramics Milling Cutter

Godzillaking Dental Laboratory Milling Bur Carbide Ceramics Milling Cutter

US $ 17.23-22.31 / Piece FOB
50 Pieces (MOQ)
More
Main Products: Dental Zircona Blocks, CAD Cam Equipment, Glass Ceramic, Dental Pink PMMA, Stain and Glaze, Milling Burs, Polishing Burs, Wax, Dental Ingots, Dental Multilayer PMMA
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Godzillaking Biotechnology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Dental Lab Rotary Tools Medical Milling Products Low Speed Handpiece Round Tungsten Carbide Bur HP-4 ISO 001/014

Dental Lab Rotary Tools Medical Milling Products Low Speed Handpiece Round Tungsten Carbide Bur HP-4 ISO 001/014

500 Pieces (MOQ)
More
Certification : ISO9001, GMP, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Shaanxi Hanrui Med-Tech Co., Ltd.

Manufacturer/Factory,Trading Company

Shaanxi, China Since 2017
Chat Now Send Inquiry
Tungsten Surgical Laboratory Dental Carbide Bur

Tungsten Surgical Laboratory Dental Carbide Bur

US $ 1.1-12.5 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Dental Handpiece, Dental Material, Dental Equipment, Dental Disposable Instrument, Dental Orthodontic, Dental Teach Simulation, Dental Prophy Angles, Latex Free Disposable Prophy Cups, Disposable Prophy Brush, Dental Unit
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Tangshan UMG Medical Instrument Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Hebei, China Since 2012
Chat Now Send Inquiry
High Quality Surgical Lab Handpiece Fg Dental Tungsten Carbide Burs

High Quality Surgical Lab Handpiece Fg Dental Tungsten Carbide Burs

US $ 0.4-1.5 / Piece FOB
100 Pieces (MOQ)
More
Usage : Dental Preventive Health Care Materials
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Guangzhou Guotang Health Industry Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2020
Chat Now Send Inquiry
LK-P21 Dental Lab Use Dental Tungsten Carbide Burs Lk-P21

LK-P21 Dental Lab Use Dental Tungsten Carbide Burs Lk-P21

US $ 9 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Dental Equipment, Dental Unit, Ultrasonic Scaler, Light Cure, X-ray Unit, Air Turbine Handpiece, Micro Motor Unit, Low Speed Handpiece, Teeth Whitening, Apex Locator
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Zhengzhou Linker Medical Equipment Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Henan, China Since 2009
Chat Now Send Inquiry
Dental Burs Fg Endo Z Carbide Lab Drill Carbide Tungsten Steel Trim Finishing

Dental Burs Fg Endo Z Carbide Lab Drill Carbide Tungsten Steel Trim Finishing

US $ 0.95-1.1 / pcs FOB
100 pcs (MOQ)
More
Usage Times : Disposable
Contact Supplier
Since 2024
SunDent Equipment Co Limited

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Cylindrical Shape Round End Carbide Bur Sc Dental Lab Burs

Cylindrical Shape Round End Carbide Bur Sc Dental Lab Burs

US $ 5-15 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Carbide End Mills, Cemented Tungsten Carbide, Carbide Wear Parts, Carbide Components, Carbide Tools, Carbide Industrial Knives
Contact Supplier
Audited Supplier Audited Supplier Since 2018
ZHUZHOU RYDMET IMPORT & EXPORT CO., LTD.

Manufacturer/Factory

Hunan, China Since 2018
Chat Now Send Inquiry
VHF K4 Carbide Milling Burs VHF Dental Milling Machine for Zirconia Machinery Dental Lab Zirconia Ceramic

VHF K4 Carbide Milling Burs VHF Dental Milling Machine for Zirconia Machinery Dental Lab Zirconia Ceramic

US $ 18.16-20.71 / Piece FOB
50 Pieces (MOQ)
More
Usage : Denture Processing, Die Making
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Godzillaking Biotechnology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is High Guality Fg Tungsten Surgical Laboratory Dental Carbide Bur
    What is High Guality Fg Tungsten Surgical Laboratory Dental Carbide Bur
    Negotiable
    100 Pieces (MOQ)
    Contact Supplier
  • What is Lab Burs Carbide Ceramics Milling Cutter/Dental Cadcam Milling Burs
    What is Lab Burs Carbide Ceramics Milling Cutter/Dental Cadcam Milling Burs
    Negotiable
    50 Pieces (MOQ)
    Contact Supplier
  • What is Tungsten Dental Surgical Lab Fg Long Shank Carbide Burs
    What is Tungsten Dental Surgical Lab Fg Long Shank Carbide Burs
    Negotiable
    100 Pieces (MOQ)
    Contact Supplier
  • What is Dental Lab HP Shank for Straight Handpieces Carbide Burs
    What is Dental Lab HP Shank for Straight Handpieces Carbide Burs
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
Dental Lab Rotary Tools Medical Milling Products Low Speed Handpiece Round Orthodontic Tungsten Carbide Bur HP-8

Dental Lab Rotary Tools Medical Milling Products Low Speed Handpiece Round Orthodontic Tungsten Carbide Bur HP-8

500 Pieces (MOQ)
More
Main Products: Fg/Ra/HP Carbide Burs, CNC HP Carbide Cutters, Silicon Rubber Polishing Cutter, Common HP Carbide Cutter, HP Exact Mandrel, Ent, Dental Drill/Bur, Mounted Stone
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Shaanxi Hanrui Med-Tech Co., Ltd.

Manufacturer/Factory,Trading Company

Shaanxi, China Since 2017
Chat Now Send Inquiry
Godzillaking Carbide Tungsten VHF K4 Dental Lab Equipment Milling Burs

Godzillaking Carbide Tungsten VHF K4 Dental Lab Equipment Milling Burs

US $ 18.35-20.47 / Piece FOB
50 Pieces (MOQ)
More
Material : Metal
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Godzillaking Biotechnology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Dental Lab Instruments Low Speed Straight Handpiece Carbide Bur HP-2 ISO 001/010

Dental Lab Instruments Low Speed Straight Handpiece Carbide Bur HP-2 ISO 001/010

500 Pieces (MOQ)
More
Main Products: Fg/Ra/HP Carbide Burs, CNC HP Carbide Cutters, Silicon Rubber Polishing Cutter, Common HP Carbide Cutter, HP Exact Mandrel, Ent, Dental Drill/Bur, Mounted Stone
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Shaanxi Hanrui Med-Tech Co., Ltd.

Manufacturer/Factory,Trading Company

Shaanxi, China Since 2017
Chat Now Send Inquiry
Dental Lab Material Tungsten Carbide Bur Polishing Tip 2.35mm

Dental Lab Material Tungsten Carbide Bur Polishing Tip 2.35mm

US $ 2.3-3 / Set FOB
10 Sets (MOQ)
More
Shape : Round Grinding
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Foshan Vimel Dental Equipment Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2016
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

Dental Lab Tungsten Carbide Bur for Dental Laboratory Use Tool Parts

Dental Lab Tungsten Carbide Bur for Dental Laboratory Use Tool Parts

US $ 17.58-22.39 / Piece FOB
50 Pieces (MOQ)
More
Main Products: Dental Zircona Blocks, CAD Cam Equipment, Glass Ceramic, Dental Pink PMMA, Stain and Glaze, Milling Burs, Polishing Burs, Wax, Dental Ingots, Dental Multilayer PMMA
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Godzillaking Biotechnology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Diamond Bur Milling Lab Surgical Carbide Kit Ma-Ni Polishing Diadent High Speed Drill Laboratory Dental Burs

Diamond Bur Milling Lab Surgical Carbide Kit Ma-Ni Polishing Diadent High Speed Drill Laboratory Dental Burs

US $ 0.08-0.16 / Piece FOB
1,000 Pieces (MOQ)
More
Certification : CE
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Bestdent Foshan Medical Equipment Co., Ltd.

Trading Company

Guangdong, China Since 2020
Chat Now Send Inquiry
Laboratory HP Carbide Factory Direct Sale Diamond Bur for Kid

Laboratory HP Carbide Factory Direct Sale Diamond Bur for Kid

US $ 0.13-0.27 / Piece FOB
250 Pieces (MOQ)
More
Main Products: Dental Handpiece
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Foshan Senda Medical Instrument Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Lk-P23 Dental Lab Rotary Fg Carbide Burs with Holder

Lk-P23 Dental Lab Rotary Fg Carbide Burs with Holder

US $ 5 / box FOB
50 box (MOQ)
More
Certification : CE
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Zhengzhou Linker Medical Equipment Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Henan, China Since 2009
Chat Now Send Inquiry
Dental Lab Drill Tungsten Carbide Fg Surgical Endodontic Access Burs Endo Z

Dental Lab Drill Tungsten Carbide Fg Surgical Endodontic Access Burs Endo Z

US $ 1-1.15 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Dental Equipment/Medical Equipment, Dental Instrument/Lab Equipment, Hospital Equipment/Surgical Instrument, Dental Unit/Medical Supply/Diagnostic Equipment, Dental Handpiece/Dental Supply, Dental Chair/Dental Chair Unit/Medical Supply, Dental Material/Medical Products, Dental Product/Ultrasonic Cleaner, Dental Burs/Diamond Burs/Lab Equipment, Teeth Whitening Machine/Surgical Equipment
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Stardent Equipment Co., Limited

Manufacturer/Factory,Trading Company,Group Corporation

Guangdong, China Since 2015
Chat Now Send Inquiry
Lk-P21 Dental Lab Tungsten Carbide Low Speed Burs

Lk-P21 Dental Lab Tungsten Carbide Low Speed Burs

US $ 8-9 / boxes FOB
10 boxes (MOQ)
More
Material : Carbide
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Zhengzhou Linker Medical Equipment Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Henan, China Since 2009
Chat Now Send Inquiry
Dental Lab Roland VHF40 CAD Cam Zirconia Milling Burs

Dental Lab Roland VHF40 CAD Cam Zirconia Milling Burs

US $ 18-20 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lab Centrifuge, Medical Centrifuge, Planetary Ball Mill, Decoction Machine, Pill Maker Machine, Ion Nitriding Furnace, Zirconia Grinding Jars and Ball
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Changsha Samy Instrument & Equipment Co., Ltd.

Manufacturer/Factory

Hunan, China Since 2021
Chat Now Send Inquiry
High Quality HP Dental Tungsten Carbide Bur / Dental Carbide Cutter High Hardness

High Quality HP Dental Tungsten Carbide Bur / Dental Carbide Cutter High Hardness

US $ 1.5-3.5 / Bag FOB
100 Bags (MOQ)
More
Usage Times : Non-Disposable
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Bestdent Foshan Medical Equipment Co., Ltd.

Trading Company

Guangdong, China Since 2020
Chat Now Send Inquiry
Cocr Dental Area Zirkonzahn Bur with Reusable Feature

Cocr Dental Area Zirkonzahn Bur with Reusable Feature

US $ 15-18 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Zirconia, Ceramics, Dental Block, Blade, Piston, Mcxl Bur, Lithium Disilicate Block, Sapphire, PMMA Block, Aln
Contact Supplier
Audited Supplier Audited Supplier Since 2018
TIANJIN YINGHUA NEW MATERIAL TECH CO., LTD.

Manufacturer/Factory

Tianjin, China Since 2018
Chat Now Send Inquiry
Premium Tungsten Carbide Bur 2t for CAD/Cam Cocr Milling

Premium Tungsten Carbide Bur 2t for CAD/Cam Cocr Milling

US $ 15-18 / Piece FOB
10 Pieces (MOQ)
More
Surface Treatment : Sand Blasted
Contact Supplier
Audited Supplier Audited Supplier Since 2018
TIANJIN YINGHUA NEW MATERIAL TECH CO., LTD.

Manufacturer/Factory

Tianjin, China Since 2018
Chat Now Send Inquiry
OEM Zirkonzahn Carbide Tungsten Bur of CAD/Cam Milling Bur 2t Cocr

OEM Zirkonzahn Carbide Tungsten Bur of CAD/Cam Milling Bur 2t Cocr

US $ 15-18 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Zirconia, Ceramics, Dental Block, Blade, Piston, Mcxl Bur, Lithium Disilicate Block, Sapphire, PMMA Block, Aln
Contact Supplier
Audited Supplier Audited Supplier Since 2018
TIANJIN YINGHUA NEW MATERIAL TECH CO., LTD.

Manufacturer/Factory

Tianjin, China Since 2018
Chat Now Send Inquiry
Premium OEM Tungsten Bur 3t for Zirkonzahn Dental Applications

Premium OEM Tungsten Bur 3t for Zirkonzahn Dental Applications

US $ 15-18 / Piece FOB
10 Pieces (MOQ)
More
Surface Treatment : Sand Blasted
Contact Supplier
Audited Supplier Audited Supplier Since 2018
TIANJIN YINGHUA NEW MATERIAL TECH CO., LTD.

Manufacturer/Factory

Tianjin, China Since 2018
Chat Now Send Inquiry
Tungsten Carbide Bur Diamond Bur
View More

Related Searches

Dental Laboratory Equipment Dental Laboratory Product Dental Laboratory Instrument Medical And Laboratory Consumables Disposable Laboratory Consumable Clinical Laboratory Equipment Medical Clinical Laboratory Instrument High Speed Burs Diagnostic Laboratory Instrument High Speed Handpiece Burs

Browse by Categories

Home > Health & Medicine > Dental Equipment & Supplies > Dental Consumables
1/14
TOP

Search Filter

Categories

More Less
  • Dental Consumables
  • Dental Drill & Accessories
  • Dental Apparatus
  • Milling Cutter
  • Surgical Instrument
  • Dental Kit
  • Other Custom Fabrication Service
  • Other Dental Equipment & Supplies
  • Other Medical Implement
  • Dental Handpiece

Certification

More Less
  • CE
  • UL

Material

More Less
  • Metal

Nature

More Less
  • Specialized Instrument Equipment
  • Shared Instrument Equipment

Usage

More Less
  • Orthodontic Material
  • Filling Material
  • Polishing Material
  • Denture Processing
  • Die Making
  • Model Making
  • Dental Preventive Health Care Materials
  • Planting Material
  • Lining Material
  • Maxillofacial Prosthesis Materials
  • Bonding Material
  • Embedded Material

Usage Times

More Less
  • Disposable
  • Non-Disposable

Company Type

More Less
  • Manufacturer/Factory
  • Trading Company
  • Group Corporation

Company Location

More Less
  • Guangdong
  • Hunan
  • Henan
  • Hebei
  • Jiangsu
  • Shaanxi
  • Zhejiang
  • Tianjin
  • Anhui
  • Beijing
  • Hubei
  • Shanghai
Reset Done