Products

Suppliers
Filter Gallery
5,136

Wholesale Depressed Center Grinding

Products
Grinding Wheel Grinding Disc Abrasive Grinding Wheel Polishing Wheel Cutting Wheel Depressed Center Grind Wheel

Sorry! No matches were found.

Depressed Centre Grinding Wheel for Metal (125X6X22.2MM)

Depressed Centre Grinding Wheel for Metal (125X6X22.2MM)

1,000 Pieces (MOQ)
More
Main Products: Cutting Wheel, Grinding Wheel, Abrasives, Cutting Disc, Flap Disc, Cutting Wheel for Metal, Cutting Disc for Stone, Cutting Wheel for Inox, Grinding Wheel for Metal, Grinding Wheel for Stone
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
100mm 4 Inch Abrasve Diamond T27 Depressed Center Grinding Wheel

100mm 4 Inch Abrasve Diamond T27 Depressed Center Grinding Wheel

US $ 0.157-0.169 / Piece FOB
600 Pieces (MOQ)
More
Types : Surface Grinding Wheel
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Xicheng Abrasives Co., Ltd

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
Depressed Center Angle Grinding Disc Wheel for Metal Cutting Tool

Depressed Center Angle Grinding Disc Wheel for Metal Cutting Tool

US $ 0.1-0.25 / 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
T42 Depressed Center Cutting Wheel Grinding Disc for Metal

T42 Depressed Center Cutting Wheel Grinding Disc for Metal

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
Depressed Center Grinding Wheels, 100X6mm, 2nets, Black Color

Depressed Center Grinding Wheels, 100X6mm, 2nets, Black Color

US $ 0.19 / 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
4inch Grinding Wheel for Stainless Steel Depressed Center Grinding Disc 100mm

4inch Grinding Wheel for Stainless Steel Depressed Center Grinding Disc 100mm

US $ 0.2-0.22 / Piece FOB
5,000 Pieces (MOQ)
More
Types : Surface Grinding Wheel
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
Depressed Center Grinding Wheel with En12413 Specification Abrasive Steel Cutting Wheel

Depressed Center Grinding Wheel with En12413 Specification Abrasive Steel Cutting Wheel

US $ 0.18-1.16 / Piece FOB
200 Pieces (MOQ)
More
Main Products: Cutting Disc, Grinding Wheel, Velcro Disc, Flap Disc, Wire Brush, Abrasive Cloth, Saw Blade, Hand Tools, Power Tools, Sandpaper
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Yongkang Shi Pengcheng Abrasive & Apparatus Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2016
Chat Now Send Inquiry
7inch Depressed Center Cutting and Grinding Dics 180*2.5*22mm

7inch Depressed Center Cutting and Grinding Dics 180*2.5*22mm

US $ 0.2-2 / Piece FOB
5,000 Pieces (MOQ)
More
Types : Surface Grinding Wheel
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
Loma Depressed Center Grinding Wheel 100X6X16mm

Loma Depressed Center Grinding Wheel 100X6X16mm

US $ 0.1-0.2 / Piece FOB
1,000 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
Abrasive Disc Cutting off Wheel Making Depressed Center 150*6.0*22.2mm Cutting Disc 6inch Aluminum Oxide Grinding Wheel Price

Abrasive Disc Cutting off Wheel Making Depressed Center 150*6.0*22.2mm Cutting Disc 6inch Aluminum Oxide Grinding Wheel Price

US $ 0.393-0.423 / Piece FOB
300 Pieces (MOQ)
More
Cylindricity : <0.1
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Xicheng Abrasives Co., Ltd

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
T27 Depressed Center Grinding Disc for Metal Surface Polishing

T27 Depressed Center Grinding Disc for Metal Surface Polishing

US $ 0.19-0.21 / Piece FOB
5,000 Pieces (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
Metal Stainless Steel Inox Grinding Disc Depressed Center Wheel

Metal Stainless Steel Inox Grinding Disc Depressed Center Wheel

3,000 Pieces (MOQ)
More
Abrasive : Normal Abrasive
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Tianqi Abrasives Co., Ltd.

Manufacturer/Factory,Trading Company

Shandong, China Since 2007
Chat Now Send Inquiry
Grinding Wheel Power Tool Accessories Other Abrasive & Grinding Tools Other Tools & Hardware Other Manufacturing & Processing Machinery Grinding Disc
Bosdi Resin Depressed Center Grinding Wheel 4"X1/4"X5/8" (100X6X16mm) Grinding Steel, Metal, Forging Steel, Stainless Steel, with MPa Certification, Sharp

Bosdi Resin Depressed Center Grinding Wheel 4"X1/4"X5/8" (100X6X16mm) Grinding Steel, Metal, Forging Steel, Stainless Steel, with MPa Certification, Sharp

US $ 0.22-0.3 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Magnesium Forged Wheel, Magnesium Heatsink, Magnesium Welding Wire, Cathodic Protection, Magnesium Die Casting, Magnesium Rod, Magnesium Plate, Magnesium Tube
Contact Supplier
Audited Supplier Audited Supplier Since 2019
SINO ZHENG INDUSTRIAL INC.

Manufacturer/Factory,Trading Company

Henan, China Since 2019
Chat Now Send Inquiry
Sali Factory Stone Grinding Disc Depressed Center Polishing Wheels

Sali Factory Stone Grinding Disc Depressed Center Polishing Wheels

300 Pieces (MOQ)
More
Abrasive : Normal Abrasive
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Yongkang Shi Pengcheng Abrasive & Apparatus Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2016
Chat Now Send Inquiry
4 Inch Grinding Wheel Depressed Center Type

4 Inch Grinding Wheel Depressed Center Type

US $ 0.15-0.28 / Piece FOB
20,000 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
180X3X22mm High Durable T42 Depressed Center Cutting and Grinding Stainless Steel

180X3X22mm High Durable T42 Depressed Center Cutting and Grinding Stainless Steel

US $ 0.178-0.203 / pc FOB
500 pc (MOQ)
More
Circular Degree : <0.01
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
Bosdi Grinding Wheel, Felxible Depressed Center Grinding Disc for Stainless Steel, Metal,Steel, Remove Rust, Welding Esay Using, Sharp and Good Feeling, Elastic

Bosdi Grinding Wheel, Felxible Depressed Center Grinding Disc for Stainless Steel, Metal,Steel, Remove Rust, Welding Esay Using, Sharp and Good Feeling, Elastic

US $ 0.1-1.15 / pc FOB
1,000 pc (MOQ)
More
Main Products: Flap Disc, Flap Wheel, Cutting Wheel, 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
4.5" Depressed Center Grinding Wheel, Metal, Inox, Grinding Iron, Inox, Stainless Steel

4.5" Depressed Center Grinding Wheel, Metal, Inox, Grinding Iron, Inox, Stainless Steel

US $ 0.79-1.145 / pc FOB
500 pc (MOQ)
More
Working Style : Surface Grinding
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
Depressed Center Grinding Wheel for Stone, Marble, Indian Red, South African Black

Depressed Center Grinding Wheel for Stone, Marble, Indian Red, South African Black

US $ 0.145-0.255 / pc FOB
5,000 pc (MOQ)
More
Main Products: Flap Disc, Flap Wheel, Cutting Wheel, 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
Bosdi Metal Screw Nut Depressed Center Grinding Wheel Grinding Metal and Stainless Steel

Bosdi Metal Screw Nut Depressed Center Grinding Wheel Grinding Metal and Stainless Steel

US $ 1-3 / pc FOB
1,000 pc (MOQ)
More
Grain Size : 24#
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
Related Videos
  • What is Depressed Centre Grinding Wheel for Metal (125X6X22.2MM)
    What is Depressed Centre Grinding Wheel for Metal (125X6X22.2MM)
    Negotiable
    1,000 Pieces (MOQ)
    Contact Supplier
  • What is 100mm 4 Inch Abrasve Diamond T27 Depressed Center Grinding Wheel
    What is 100mm 4 Inch Abrasve Diamond T27 Depressed Center Grinding Wheel
    Negotiable
    600 Pieces (MOQ)
    Contact Supplier
  • What is Depressed Center Angle Grinding Disc Wheel for Metal Cutting Tool
    What is Depressed Center Angle Grinding Disc Wheel for Metal Cutting Tool
    Negotiable
    5,000 Pieces (MOQ)
    Contact Supplier
  • What is T42 Depressed Center Cutting Wheel Grinding Disc for Metal
    What is T42 Depressed Center Cutting Wheel Grinding Disc for Metal
    Negotiable
    3,000 Pieces (MOQ)
    Contact Supplier
6 Inch Silver Grinding Wheel Depressed Center for Right Angle Grinder Hot Sale

6 Inch Silver Grinding Wheel Depressed Center for Right Angle Grinder Hot Sale

US $ 0.393-0.423 / 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 Inch Silver Grinding Wheel Depressed Center for Right Angle Grinder Hot Sale

7 Inch Silver Grinding Wheel Depressed Center for Right Angle Grinder Hot Sale

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

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
230X6mm Metal Inox Stainless Grinding Disco

230X6mm Metal Inox Stainless Grinding Disco

US $ 0.5-1 / Piece FOB
5,000 Pieces (MOQ)
More
Main Products: Cutting Disc
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
6" 150X3X22.2mm Metal Grinding Disc Abrasive Tools for Metal Grinding and Polishing

6" 150X3X22.2mm Metal Grinding Disc Abrasive Tools for Metal Grinding and Polishing

US $ 0.216-0.232 / Piece FOB
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

Not exactly what you want?

Post Sourcing Request

Best Abrasive Disc 7inch 180X6X22mm Grinding Wheel for Iron Steel

Best Abrasive Disc 7inch 180X6X22mm Grinding Wheel for Iron Steel

US $ 0.4-0.6 / Piece FOB
5,000 Pieces (MOQ)
More
Main Products: Cutting Wheel, Grinding Wheel, Flap Disc, Sand Paper, Diamond Cutting Blade, Cutting Disc, Fiber Disc, Wire Brush, Velcro Disc
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Yongkang Ufast Tools Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2022
Chat Now Send Inquiry
125X1.2X22 Cutting Wheel Disc Abrasive Metal Grinding

125X1.2X22 Cutting Wheel Disc Abrasive Metal Grinding

US $ 0.07-1 / Piece FOB
200 Pieces (MOQ)
More
Abrasive : Superabrasive
Contact Supplier
Since 2024
IHKA International Cooperation Services (Henan) Ltd.

Manufacturer/Factory

Henan, China Since 2024
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
Main Products: Construction Materails, Building Materials
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Jinan Fuyuan Grinding Materials Co., Ltd

Manufacturer/Factory

Shandong, China Since 2024
Chat Now Send Inquiry
4" Factory Directly Supply Flexible Grinding Wheel with Top Quality Abrasive Grinding Wheel/Disc, Grinding Metal/Inox/Stainless Steel/Aluminium, Wa/Gc Wheel

4" Factory Directly Supply Flexible Grinding Wheel with Top Quality Abrasive Grinding Wheel/Disc, Grinding Metal/Inox/Stainless Steel/Aluminium, Wa/Gc Wheel

US $ 0.105-0.113 / Piece FOB
1,200 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
Abrasive Cutting off Wheel 4.5" 115X6X22mm Grinding Disc for Metal

Abrasive Cutting off Wheel 4.5" 115X6X22mm Grinding Disc for Metal

US $ 0.152-0.265 / Piece FOB
10,000 Pieces (MOQ)
More
Main Products: Cutting Wheel, Grinding Wheel, Flap Disc, Sand Paper, Diamond Cutting Blade, Cutting Disc, Fiber Disc, Wire Brush, Velcro Disc
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Yongkang Ufast Tools Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2022
Chat Now Send Inquiry
Excellent Quality Cutting Disc Low Price Grinding

Excellent Quality Cutting Disc Low Price Grinding

US $ 0.07-1 / Piece FOB
200 Pieces (MOQ)
More
Cylindricity : <0.1
Contact Supplier
Since 2024
IHKA International Cooperation Services (Henan) Ltd.

Manufacturer/Factory

Henan, China Since 2024
Chat Now Send Inquiry
T27 Grinding Whee with 4" Size

T27 Grinding Whee with 4" Size

US $ 0.15-0.4 / Piece FOB
5,000 Pieces (MOQ)
More
Main Products: Grinding Wheels, Cutting Wheels, Flap Wheels, Abrasive, Abrasive Disc, Grinding Disc, Cutting Disc, Flap Disc, Abrasive Wheel, Power Tool Parts
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Yongkang Camel Abrasives Factory

Manufacturer/Factory

Zhejiang, China Since 2016
Chat Now Send Inquiry
Grind-Tec Grinding Abrasives Best Quality 5" 125X6X22.23mm

Grind-Tec Grinding Abrasives Best Quality 5" 125X6X22.23mm

US $ 0.25-0.37 / Piece FOB
5,000 Pieces (MOQ)
More
Cylindricity : <0.02
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Yongkang Ufast Tools Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2022
Chat Now Send Inquiry
Metal Grinding Wheel 125X6X16mm Grinding Disc MPa 5inch Abrasive Metal Sanding Grinding Wheel Disc Grinding

Metal Grinding Wheel 125X6X16mm Grinding Disc MPa 5inch Abrasive Metal Sanding Grinding Wheel Disc Grinding

US $ 0.1-1 / Piece FOB
5,000 Pieces (MOQ)
More
Main Products: Cutting Disc
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
Grinding Wheel/Disc/Disk Awa/a/Wa/Gc Aluminum Oxide Grains Used for Metal, Inox, Copper Shipping, Automobile, Aviation

Grinding Wheel/Disc/Disk Awa/a/Wa/Gc Aluminum Oxide Grains Used for Metal, Inox, Copper Shipping, Automobile, Aviation

US $ 0.105-0.113 / Piece FOB
1,200 Pieces (MOQ)
More
Abrasive : Superabrasive
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Xicheng Abrasives Co., Ltd

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
OEM Top Product Quality Factory Price 4 Inch 100X2.5X16 mm Grinding Disc

OEM Top Product Quality Factory Price 4 Inch 100X2.5X16 mm Grinding Disc

US $ 0.098-0.106 / Piece FOB
1,200 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
100X3X16mm 3m Green Flexible Grinding Wheel 4" Flexible Grinding Disc Wa #36 for Metal Inox

100X3X16mm 3m Green Flexible Grinding Wheel 4" Flexible Grinding Disc Wa #36 for Metal Inox

US $ 0.105-0.113 / Piece FOB
1,200 Pieces (MOQ)
More
Material : Alumina
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Xicheng Abrasives Co., Ltd

Manufacturer/Factory

Henan, China Since 2023
Chat Now Send Inquiry
Grinding Wheel Grinding Disc Abrasive Grinding Wheel Polishing Wheel Cutting Wheel Depressed Center Grind Wheel
View More

Related Searches

4 Grinding Wheel Abrasive Grinding Tools Wheel Grinding Tools Surface Grinding Tools Grinding Wheel Material Grinding Tool Disc Grinding Steel Ball Stone Grinding Tool Steel Ball For Grinding Grinding And Cutting Wheel

Browse by Categories

Home > Tools & Hardware > Abrasive & Grinding > Grinding Wheel
1/143
TOP

Search Filter

Categories

More Less
  • Grinding Wheel
  • Power Tool Accessories
  • Other Abrasive & Grinding Tools
  • Other Tools & Hardware
  • Other Manufacturing & Processing Machinery
  • Grinding Disc
  • Abrasive Cloth & Mesh
  • Diamond Saw Blade
  • Flap Disc
  • Drill Bit

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
  • Internal Cylindrical Grinding Wheel
  • Hand-held Flat Wheel
  • Centerless Grinding Wheel
  • Cylindrical Grinding Wheel

Working Style

More Less
  • Cutting
  • Surface Grinding
  • Tool Grinding

Company Type

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

Company Location

More Less
  • Zhejiang
  • Henan
  • Shandong
  • Fujian
  • Jiangsu
  • Guangxi
  • Shanghai
  • Guangdong
  • Hebei
  • Anhui
  • Beijing
  • Jiangxi
  • Hubei
  • Tianjin
  • Guizhou
  • Liaoning
Reset Done