Products

Suppliers
Filter Gallery
84,132

Wholesale Alumina Grinding

Products
Buff Buffing Grinding Ceramic Grinding Ball Alumina Grinding Ball Alumina Ceramic Ball Flap Wheel Head Grinding Flap Disc Grinding

Sorry! No matches were found.

5inch Wholesale Low Price Abrasive Manufacturer Whit Fused Alumina Grinding Wheels Abrasive Cutting Disc

5inch Wholesale Low Price Abrasive Manufacturer Whit Fused Alumina Grinding Wheels Abrasive Cutting Disc

US $ 0.249-0.268 / Piece FOB
300 Pieces (MOQ)
More
Main Products: Cutting Wheel, Grinding Wheel, Abrasives Wheel, Abrasives Disc, Cutting Disc, Abrasive-Grinding, Cut off Wheel, Abrasive Cutting Disc, Disco De Corte, Grinding Disc
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Xicheng Abrasives Co., Ltd

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
7" Wholesale Low Price Abrasive Manufacturer Whit Fused Alumina Grinding Wheels Abrasive Cutting Disc

7" Wholesale Low Price Abrasive Manufacturer Whit Fused Alumina Grinding Wheels Abrasive Cutting Disc

US $ 0.524-0.563 / Piece FOB
150 Pieces (MOQ)
More
Grain Size : 60#
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Xicheng Abrasives Co., Ltd

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
Alumina Emery Wheel Metal Grinding 5 Inch Diameter

Alumina Emery Wheel Metal Grinding 5 Inch Diameter

US $ 0.02-5 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Boron Carbide, Brown Fused Alumina, White Corundum, Silicon Dioxide, Silicon Carbide, Whisker Carbon Nanotubes, Boron Nitride, Diamond, Grinding Wheel, CBN
Contact Supplier
Since 2024
IHKA International Cooperation Services (Henan) Ltd.

Manufacturer/Factory

Henan, China Since 2024
Chat Now Send Inquiry
Grinding Aluminum Alloy and Zinc Alloy with Special Anti-Clogging Coating Alumina Oxide Abrasive Sand Cloth Roll

Grinding Aluminum Alloy and Zinc Alloy with Special Anti-Clogging Coating Alumina Oxide Abrasive Sand Cloth Roll

US $ 0.5-0.55 / Square Meter FOB
100 Square Meters (MOQ)
More
Adhesive Strength : Hard
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Dongguan Heyan Abrasive Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2023
Chat Now Send Inquiry
Unique Design Hot Sale New Wholesale Radial Aluminum Metelographic Grinding Disc

Unique Design Hot Sale New Wholesale Radial Aluminum Metelographic Grinding Disc

US $ 0.157-0.169 / Piece FOB
600 Pieces (MOQ)
More
Main Products: Cutting Wheel, Grinding Wheel, Abrasives Wheel, Abrasives Disc, Cutting Disc, Abrasive-Grinding, Cut off Wheel, Abrasive Cutting Disc, Disco De Corte, Grinding Disc
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Xicheng Abrasives Co., Ltd

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
4'' Inch 100X6X16mm Alumina Grinding Wheels for Metal Polishing

4'' Inch 100X6X16mm Alumina Grinding Wheels for Metal Polishing

US $ 0.17-0.18 / Piece FOB
5,000 Pieces (MOQ)
More
Technics : Electroplating
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Luoyang Weixiang Abrasives Co., Ltd.

Manufacturer/Factory,Trading Company

Henan, China Since 2022
Chat Now Send Inquiry
90mm Mesh Cover Base Alumina Cloth Wheel Metal Grinding and Polishing

90mm Mesh Cover Base Alumina Cloth Wheel Metal Grinding and Polishing

US $ 0.02-5 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Boron Carbide, Brown Fused Alumina, White Corundum, Silicon Dioxide, Silicon Carbide, Whisker Carbon Nanotubes, Boron Nitride, Diamond, Grinding Wheel, CBN
Contact Supplier
Since 2024
IHKA International Cooperation Services (Henan) Ltd.

Manufacturer/Factory

Henan, China Since 2024
Chat Now Send Inquiry
High Quality Wholesale Abrasive Tools for 5 Inch Angle Grinder Series 125*6mm Grinding Disc

High Quality Wholesale Abrasive Tools for 5 Inch Angle Grinder Series 125*6mm Grinding Disc

US $ 0.249-0.268 / Piece FOB
300 Pieces (MOQ)
More
Working Style : Surface Grinding
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Xicheng Abrasives Co., Ltd

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
Alumina Emery Cloth with Efficient Grinding and Polishing Effect

Alumina Emery Cloth with Efficient Grinding and Polishing Effect

US $ 0.02-5 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Boron Carbide, Brown Fused Alumina, White Corundum, Silicon Dioxide, Silicon Carbide, Whisker Carbon Nanotubes, Boron Nitride, Diamond, Grinding Wheel, CBN
Contact Supplier
Since 2024
IHKA International Cooperation Services (Henan) Ltd.

Manufacturer/Factory

Henan, China Since 2024
Chat Now Send Inquiry
Factory Wholesale 4 Inch Cutting Disc for Metal Cut off Wheel Grinding Disc

Factory Wholesale 4 Inch Cutting Disc for Metal Cut off Wheel Grinding Disc

US $ 0.086-0.093 / Piece FOB
1,600 Pieces (MOQ)
More
Grain Size : 60#
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Xicheng Abrasives Co., Ltd

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
4 Inch 100 mm Grinding Wheel for Ss/Iron with Wholesale Price

4 Inch 100 mm Grinding Wheel for Ss/Iron with Wholesale Price

US $ 0.15-0.3 / pcs FOB
5,000 pcs (MOQ)
More
Main Products: Abrasive Wheel
Contact Supplier
Audited Supplier Audited Supplier Since 2018
U AND K SCIENCE & TECH CO., LTD.

Trading Company

Anhui, China Since 2018
Chat Now Send Inquiry
Ceramic Grinding Wheel, Corundum Grinding Wheel, Pink Funsed Alumina PA Wheel, Green Silicon Carbide, Cup Wheel, Calathiform Wheel, Repair Grinding Wheel

Ceramic Grinding Wheel, Corundum Grinding Wheel, Pink Funsed Alumina PA Wheel, Green Silicon Carbide, Cup Wheel, Calathiform Wheel, Repair Grinding Wheel

US $ 8.95-12.52 / Piece FOB
1,000 Pieces (MOQ)
More
Types : Surface Grinding Wheel
Contact Supplier
Audited Supplier Audited Supplier Since 2019
ZHENGZHOU BOSDI ABRASIVES CO., LTD.

Manufacturer/Factory,Trading Company,Other

Henan, China Since 2019
Chat Now Send Inquiry
Grinding Wheel Abrasive Grains Wear Resistant Material Grinding Ball Alumina Refractory Material Abrasive Cloth & Mesh
High Alumina Ceramic Ball Mill Grinding Jar for Pulverizing and Sieving

High Alumina Ceramic Ball Mill Grinding Jar for Pulverizing and Sieving

US $ 20-30 / Piece FOB
1 Piece (MOQ)
More
Main Products: Ceramic Tube, Crucible, Ceramic Mill Pot, Ceramic IR Heater, Ceramic Connector, Mortar and Pestle, Ceramic Rod, Ceramic Igniter Electrode, Mica Plate, Ceramic Parts
Contact Supplier
Audited Supplier Audited Supplier Since 2014
Shanghai Gongtao Ceramics Co., Ltd.

Manufacturer/Factory

Shanghai, China Since 2014
Chat Now Send Inquiry
Abrasive Cut off Flap Cutting Grinding Disc Wheel for All Metal 400

Abrasive Cut off Flap Cutting Grinding Disc Wheel for All Metal 400

US $ 0.056-0.55 / Piece FOB
5,000 Pieces (MOQ)
More
Working Style : Cutting
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Yongkang Yongbang Abrasive Tool Factory

Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
4 Inch Tungsten Carbide Grinding Wheel

4 Inch Tungsten Carbide Grinding Wheel

US $ 0.1-0.8 / Piece FOB
5,000 Pieces (MOQ)
More
Main Products: Cutting Wheel
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Yongkang Yongbang Abrasive Tool Factory

Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
Cutting and Grinding Disc Wheel

Cutting and Grinding Disc Wheel

US $ 0.65-0.68 / Piece FOB
1,000 Pieces (MOQ)
More
Cylindricity : <1
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Yongkang Yongbang Abrasive Tool Factory

Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
180X6X22mm Grinding Wheel with 2papers and 2nets

180X6X22mm Grinding Wheel with 2papers and 2nets

US $ 0.41-0.62 / Piece FOB
20,000 Pieces (MOQ)
More
Main Products: Cutting Wheel, Grinding Wheel, Non Woven Wheels, Abrasive Disc, Abrasives
Contact Supplier
Audited Supplier Audited Supplier Since 2022
YONGKANG KINGFLEX ABRASIVES CO., LTD.

Manufacturer/Factory

Zhejiang, China Since 2022
Chat Now Send Inquiry
Flyspear T27 115mm/125mm/150mm/180mm/230mm Cymbal Grinding Wheel

Flyspear T27 115mm/125mm/150mm/180mm/230mm Cymbal Grinding Wheel

US $ 0.27-1.05 / Piece FOB
7,000 Pieces (MOQ)
More
Working Style : Surface Grinding
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Henan Shenli Abrasives Co., Ltd.

Manufacturer/Factory

Henan, China Since 2021
Chat Now Send Inquiry
Loma Grinding Wheel Disc 7inch Metal Steel Abrasive

Loma Grinding Wheel Disc 7inch Metal Steel Abrasive

US $ 0.06-0.1 / Piece FOB
5,000 Pieces (MOQ)
More
Main Products: Cutting Wheel, Grinding Disc
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Yongkang Hesong Abrasive Co., Ltd

Manufacturer/Factory

Zhejiang, China Since 2023
Chat Now Send Inquiry
300mm Flap Wheel with Emery Cloth for Stainless Steel Aluminium Oxide Grinding and Polishing Wheel

300mm Flap Wheel with Emery Cloth for Stainless Steel Aluminium Oxide Grinding and Polishing Wheel

US $ 3 / Piece FOB
10 Pieces (MOQ)
More
Abrasive : Normal Abrasive
Contact Supplier
Since 2024
Foshan OPO Abrasives Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is 5inch Wholesale Low Price Abrasive Manufacturer Whit Fused Alumina Grinding Wheels Abrasive Cutting Disc
    What is 5inch Wholesale Low Price Abrasive Manufacturer Whit Fused Alumina Grinding Wheels Abrasive Cutting Disc
    Negotiable
    300 Pieces (MOQ)
    Contact Supplier
  • What is 7" Wholesale Low Price Abrasive Manufacturer Whit Fused Alumina Grinding Wheels Abrasive Cutting Disc
    What is 7" Wholesale Low Price Abrasive Manufacturer Whit Fused Alumina Grinding Wheels Abrasive Cutting Disc
    Negotiable
    150 Pieces (MOQ)
    Contact Supplier
  • What is Alumina Emery Wheel Metal Grinding 5 Inch Diameter
    What is Alumina Emery Wheel Metal Grinding 5 Inch Diameter
    Negotiable
    1,000 Pieces (MOQ)
    Contact Supplier
  • What is Grinding Aluminum Alloy and Zinc Alloy with Special Anti-Clogging Coating Alumina Oxide Abrasive Sand Cloth Roll
    What is Grinding Aluminum Alloy and Zinc Alloy with Special Anti-Clogging Coating Alumina Oxide Abrasive Sand Cloth Roll
    Negotiable
    100 Square Meters (MOQ)
    Contact Supplier
Grinding Discs Hot Sale Abrasive Tools Metal Resin Bonded Round Metal Grinding Disc

Grinding Discs Hot Sale Abrasive Tools Metal Resin Bonded Round Metal Grinding Disc

US $ 0.249-0.268 / Piece FOB
300 Pieces (MOQ)
More
Main Products: Cutting Wheel, Grinding Wheel, Abrasives Wheel, Abrasives Disc, Cutting Disc, Abrasive-Grinding, Cut off Wheel, Abrasive Cutting Disc, Disco De Corte, Grinding Disc
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Xicheng Abrasives Co., Ltd

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
China Factory Abrasive Wheel Grinding Wheel, Grinding Disc

China Factory Abrasive Wheel Grinding Wheel, Grinding Disc

3,000 Pieces (MOQ)
More
Grain Size : 24#
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Tianqi Abrasives Co., Ltd.

Manufacturer/Factory,Trading Company

Shandong, China Since 2007
Chat Now Send Inquiry
Pneumatic Polishing Machine Special Polishing Disc Grinding Wheel

Pneumatic Polishing Machine Special Polishing Disc Grinding Wheel

US $ 0.32-0.34 / piece FOB
200 piece (MOQ)
More
Main Products: Brown Fused Alumina, Abrasive Wheels, Resin Grinding Wheels, Resin Cut-off Wheels, White Fused Alumina, Iron Sulfide, Carborundum, Synthetic Corundum, Sand Cloth, Sand Paper
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Luoyang Weixiang Abrasives Co., Ltd.

Manufacturer/Factory,Trading Company

Henan, China Since 2022
Chat Now Send Inquiry
Double Disc Grinding

Double Disc Grinding

US $ 0.139-0.147 / Piece FOB
3,000 Pieces (MOQ)
More
Technics : Sinter
Contact Supplier
Audited Supplier Audited Supplier Since 2018
YONGKANG NOVA HARDWARE CO., LTD.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2018
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

Premium 7 Inch Abrasive Grinding Wheel for Metal Finishing

Premium 7 Inch Abrasive Grinding Wheel for Metal Finishing

US $ 0.079-0.1 / Piece FOB
400,000 Pieces (MOQ)
More
Main Products: Abrasive Wheel
Contact Supplier
Audited Supplier Audited Supplier Since 2018
U AND K SCIENCE & TECH CO., LTD.

Trading Company

Anhui, China Since 2018
Chat Now Send Inquiry
Abrasive Grinding Whee Manufacturer of Hot Sales Cutting Disc Cut off Wheel for Metal and Stainless Steel

Abrasive Grinding Whee Manufacturer of Hot Sales Cutting Disc Cut off Wheel for Metal and Stainless Steel

US $ 0.12-1.25 / Piece FOB
2,000 Pieces (MOQ)
More
Grain Size : 24#
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Zhejiang Wanna Industry & Trade Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2019
Chat Now Send Inquiry
Aluminium Oxide Full Sphere for Grinding

Aluminium Oxide Full Sphere for Grinding

US $ 0.8-1 / kg FOB
1,000 kg (MOQ)
More
Main Products: Fiberglass Roofing Tissue, Chopped Strand Mat, Silicone Baking Mat, Core Combination Mat, Grc Roving, Silicone Coated Fiberglass Fabric, PVC Battery Separator, PE Battery Separator, Silicone Bread Form, Neoprene Coated Fiberglass Fabric
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Yangzhou Guotai Fiberglass Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2017
Chat Now Send Inquiry
4" Grinding Wheel for Metal Steel

4" Grinding Wheel for Metal Steel

1,000 Pieces (MOQ)
More
Types : Surface Grinding Wheel
Contact Supplier
Audited Supplier Audited Supplier Since 2014
ZHEJIANG JINHUA CUMET ABRASIVE CO., LTD.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2014
Chat Now Send Inquiry
6'' Steel Grinding Machine with Customized Logo

6'' Steel Grinding Machine with Customized Logo

US $ 5.5-6 / Piece FOB
500 Pieces (MOQ)
More
Main Products: Plastering Trowel, Hammer, Axe, Carpenter Pencil, Wrecking Bar, Bricklaying Trowel, Solar Panel, Other Hardware Tools
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Shandong Best Import and Export Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2020
Chat Now Send Inquiry
Genuine 4 Inches Diameter Grinding Disc Grand Golden Dragon

Genuine 4 Inches Diameter Grinding Disc Grand Golden Dragon

US $ 0.1-1.1 / Piece FOB
10,000 Pieces (MOQ)
More
Shapes : Section Shape
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Jinan Fuyuan Grinding Materials Co., Ltd

Manufacturer/Factory

Shandong, China Since 2024
Chat Now Send Inquiry
China Factory High Quality Abrasive Tool of Flexible Grinding Wheel Cut off Discs and Grinding Wheel

China Factory High Quality Abrasive Tool of Flexible Grinding Wheel Cut off Discs and Grinding Wheel

US $ 0.1-0.5 / Piece FOB
5,000 Pieces (MOQ)
More
Main Products: Grinding Wheel, Cutting Wheel, Abrasive Disc, Grinding Disc, Cutting Disc, Cut off Wheels, Abrasives Tools, Flap Wheels, Flap Disc, Resin Grinding Wheels
Contact Supplier
Audited Supplier Audited Supplier Since 2022
ZHEJIANG BLUEBIRD TECHNOLOGY CO.,LTD

Manufacturer/Factory

Zhejiang, China Since 2022
Chat Now Send Inquiry
Large Surface Grinding Vitrified Wheels Precision Grinding Finishing

Large Surface Grinding Vitrified Wheels Precision Grinding Finishing

US $ 10-12 / PCS FOB
1,000 PCS (MOQ)
More
Working Style : Surface Grinding
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Qingdao Sennight International Trading Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2022
Chat Now Send Inquiry
Straight Grinding Wheel for Stainless Stain Grinding

Straight Grinding Wheel for Stainless Stain Grinding

US $ 60-900 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Cutting Disc Cutting Disc Making Machine, Abrasive Disc Cutting Wheel Making Machine, Grinding Wheel Grinding Wheel Making Machine, Abrasive Wheel Abrasive Wheel Making Machine, Flap Disc Machine Flap Disc Making Machine, Flap Wheel Machine Flap Wheel Making Machine, Abrasive Belt Skiving Machine, Abrasive Belt Slitting Machine, Abrasive Belt Press Machine, Honing Stone Grinding Stick Dress Stick
Contact Supplier
Audited Supplier Audited Supplier Since 2021
iSharp Abrasives Tools Science Institute

Manufacturer/Factory

Henan, China Since 2021
Chat Now Send Inquiry
Shaft-Mounted Flap Wheel Sanding Wheel Grinding Head for Polishing Metal #60

Shaft-Mounted Flap Wheel Sanding Wheel Grinding Head for Polishing Metal #60

US $ 0.1-1 / Piece FOB
1,000 Pieces (MOQ)
More
Adhesive Strength : Hard
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Beijing Treeing Technology Co., Ltd.

Beijing, China Since 2023
Chat Now Send Inquiry
Water Mill Calcined Corundum Abrasive Sand Belt, Grinding Drone Accessories, Clubs

Water Mill Calcined Corundum Abrasive Sand Belt, Grinding Drone Accessories, Clubs

US $ 0.8-0.86 / pieces FOB
100 pieces (MOQ)
More
Main Products: Sandpaper, Sand Cloth, Abrasive Belt
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Dongguan Heyan Abrasive Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2023
Chat Now Send Inquiry
4-14inches Abrasive Cutting Discs for Metal/Stainless Cutting Wheel Grinding

4-14inches Abrasive Cutting Discs for Metal/Stainless Cutting Wheel Grinding

US $ 0.09-0.28 / Piece FOB
5,000 Pieces (MOQ)
More
Technics : Electroplating
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Zhenjiang Tianzhao Grinding Apparatus Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2024
Chat Now Send Inquiry
Buff Buffing Grinding Ceramic Grinding Ball Alumina Grinding Ball Alumina Ceramic Ball Flap Wheel Head Grinding Flap Disc Grinding
View More

Related Searches

Grinding Tool Grinding Stone Grinding Polishing 4 Grinding Wheel Abrasive Grinding Tools Wheel Grinding Tools Surface Grinding Tools Diamond Grinding Grinding Wheel Material Alumina

Browse by Categories

Home > Tools & Hardware > Abrasive & Grinding > Grinding Wheel
1/834
TOP

Search Filter

Categories

More Less
  • Grinding Wheel
  • Abrasive Grains
  • Wear Resistant Material
  • Grinding Ball
  • Alumina Refractory Material
  • Abrasive Cloth & Mesh
  • Flap Disc
  • Sanding Paper
  • Grinding Powder
  • Grinder

Abrasive

More Less
  • Normal Abrasive
  • Superabrasive
  • Natural Abrasives

Material

More Less
  • Alumina
  • Silicon Carbide
  • Diamond

Technics

More Less
  • Sinter
  • Electroplating

Types

More Less
  • Cutting Wheel
  • Surface Grinding Wheel
  • Centerless Grinding Wheel
  • Cylindrical Grinding Wheel
  • Hand-held Flat Wheel
  • Internal Cylindrical Grinding Wheel
  • Bending Wheel

Working Style

More Less
  • Cutting
  • Surface Grinding
  • Tool Grinding
  • Troubleshooting grinding

Company Type

More Less
  • Manufacturer/Factory
  • Trading Company
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Shandong
  • Henan
  • Zhejiang
  • Guangdong
  • Jiangsu
  • Guangxi
  • Fujian
  • Shanghai
  • Hunan
  • Hebei
  • Jiangxi
  • Liaoning
  • Hubei
  • Anhui
  • Sichuan
  • Tianjin
  • Shanxi
  • Ningxia
  • Beijing
  • Shaanxi
  • Hongkong S.A.R.
  • Gansu
  • Xinjiang
  • Guizhou
  • Heilongjiang
  • Hainan
  • Chongqing
  • Jilin
  • Inner Mongolia
Reset Done