Products

Suppliers
Filter Gallery
28,940

Hss Drill Bits

Products
Power Tools Cutting Tools Drills Core Drill Concrete Tools Hole Cutter

Sorry! No matches were found.

Suborui OEM ODM Manufacturer Premium Industrial HSS Co M35 Cobalt Metal Pilot Point Drill Bits for Steel Hard Metal Cast Iron

Suborui OEM ODM Manufacturer Premium Industrial HSS Co M35 Cobalt Metal Pilot Point Drill Bits for Steel Hard Metal Cast Iron

US $ 0.1-3.9 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Metal Drill Bit, Wood Drill Bit, Hex Shank Drill Bit, Annular Cutter, SDS Drill Bit, Hole Saw, Saw Blade, HSS Taps, CNC Milling Cutter, Router Bit
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Jiangsu Borui Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
Chat Now Send Inquiry
Power Tools 100% Satisfaction HSS M35 Twist Cobalt Drill Bits

Power Tools 100% Satisfaction HSS M35 Twist Cobalt Drill Bits

US $ 0.1-10 / Piece FOB
100 Pieces (MOQ)
More
Material : High Speed Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2007
DANYANG DAMING TOOLS CO., LTD.

Trading Company

Jiangsu, China Since 2007
Chat Now Send Inquiry
Manufacturer DIN338 HSS Straight Shank Twist Drill Bit for Hardened Steel and Stainless Steel

Manufacturer DIN338 HSS Straight Shank Twist Drill Bit for Hardened Steel and Stainless Steel

US $ 0.1-8 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Drill Bit, Saw Blade, Milling Cutter, HSS Taps&Dies, SDS Hammer Drill Bits Masonry Drill Bits, Hole Saws, Screwdriver Bit & Socket, Grinding Wheels, Diamond Saw Blades, Tct Saw Blades
Contact Supplier
Audited Supplier Audited Supplier Since 2024
JIANGSU HAOKE MATERIAL TECH CO.,LTD

Jiangsu, China Since 2024
Chat Now Send Inquiry
HSS Core Step Drill Bit for Metal Drilling Drill for Metal Step Bit Pocket Hole Drill Bits Step Drill Bit for Metal Core Drill

HSS Core Step Drill Bit for Metal Drilling Drill for Metal Step Bit Pocket Hole Drill Bits Step Drill Bit for Metal Core Drill

US $ 4-9 / Piece FOB
100 Pieces (MOQ)
More
Customized : Customized
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Danyang Ergaster Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2020
Chat Now Send Inquiry
DIN338 HSS Cobalt Twist Drill Bits for Metal

DIN338 HSS Cobalt Twist Drill Bits for Metal

US $ 0.1-5 / Piece FOB
1 Piece (MOQ)
More
Main Products: Tools
Contact Supplier
Audited Supplier Audited Supplier Since 2007
DANYANG DAMING TOOLS CO., LTD.

Trading Company

Jiangsu, China Since 2007
Chat Now Send Inquiry
Stc HSS Drill Bits

Stc HSS Drill Bits

US $ 1 / Piece FOB
100 Pieces (MOQ)
More
Standard : DIN, JIS, AISI, API
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Zhenjiang Scharp Machinery Tools Co., Ltd.

Jiangsu, China Since 2009
Chat Now Send Inquiry
6 PCS Ground HSS Metal Drill Bit

6 PCS Ground HSS Metal Drill Bit

US $ 1-2 / Set FOB
100 Sets (MOQ)
More
Main Products: Drill
Contact Supplier
Audited Supplier Audited Supplier Since 2022
TIVOLY TOOL MANUFACTURING(CHANGSHU) CO., LTD.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2022
Chat Now Send Inquiry
Jobber Length Standard HSS Left Hand Drill Bit for Metal Drilling

Jobber Length Standard HSS Left Hand Drill Bit for Metal Drilling

US $ 0.0014-3 / Piece FOB
1 Piece (MOQ)
More
Usage : Metal Drilling
Contact Supplier
Audited Supplier Audited Supplier Since 2007
DANYANG DAMING TOOLS CO., LTD.

Trading Company

Jiangsu, China Since 2007
Chat Now Send Inquiry
Spiral HSS Step Drill Bits

Spiral HSS Step Drill Bits

100 Pieces (MOQ)
More
Main Products: Metal Cutting Tools, Thread Tools, End Mills, Reamer, Milling Cutters, Machine Taps, Thread Die, Countersink, Drill Bits, Slitting Saw
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Zhenjiang Scharp Machinery Tools Co., Ltd.

Jiangsu, China Since 2009
Chat Now Send Inquiry
Suborui 6mm HSS DIN338 M35 Cobalt Drill Bits for Durable Metal Drilling

Suborui 6mm HSS DIN338 M35 Cobalt Drill Bits for Durable Metal Drilling

US $ 0.1-1.9 / Piece FOB
100 Pieces (MOQ)
More
Type : Twist Drill Bit
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Jiangsu Borui Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
Chat Now Send Inquiry
DIN338 Standard HSS M2 Black& Gold Fully Ground Straight Shank Drill Bit

DIN338 Standard HSS M2 Black& Gold Fully Ground Straight Shank Drill Bit

US $ 0.1-3.5 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Thread Taps, Hss Drill Bit, Hole Saw
Contact Supplier
Audited Supplier Audited Supplier Since 2022
JiangSu XingRui Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
Chat Now Send Inquiry
HSS Twist Drill Bits for Stainless Steel Drill Metal Drill Tools

HSS Twist Drill Bits for Stainless Steel Drill Metal Drill Tools

US $ 0.01 / Piece FOB
100 Pieces (MOQ)
More
Length : Taper-length
Contact Supplier
Audited Supplier Audited Supplier Since 2019
DONGYAN INTERNATIONAL CO., LTD.

Jiangsu, China Since 2019
Chat Now Send Inquiry
Related Searches
Drill Bit Tap & Die Power Tool Accessories Diamond Drilling Tools Screwdriver Other Drilling Tools
Twist Drill Bit Hole Saw Bit Masonry Drill Bit Wood Drill Bit Spade Bit Forstner Bit
25PCS HSS Twist Fully Ground Drill Bit

25PCS HSS Twist Fully Ground Drill Bit

US $ 1-2 / Set FOB
100 Sets (MOQ)
More
Main Products: Drill
Contact Supplier
Audited Supplier Audited Supplier Since 2022
TIVOLY TOOL MANUFACTURING(CHANGSHU) CO., LTD.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2022
Chat Now Send Inquiry
Suborui Manufacturer 1/4 Quick Change HSS M2 High Quality Hex Hardwood Countersink Drill Bit with Adjustable Depth Stop for Wood

Suborui Manufacturer 1/4 Quick Change HSS M2 High Quality Hex Hardwood Countersink Drill Bit with Adjustable Depth Stop for Wood

US $ 2.5-3.5 / Piece FOB
100 Pieces (MOQ)
More
Length : Jobber-length
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Jiangsu Borui Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
Chat Now Send Inquiry
Fully Ground Twist HSS Drill Bit in 1mm

Fully Ground Twist HSS Drill Bit in 1mm

US $ 0.1-0.5 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Drill
Contact Supplier
Audited Supplier Audited Supplier Since 2022
TIVOLY TOOL MANUFACTURING(CHANGSHU) CO., LTD.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2022
Chat Now Send Inquiry
Metric Round Shank 3 Straight Flutes HSS Step Drill Bit for Tube Metal Sheet Drilling

Metric Round Shank 3 Straight Flutes HSS Step Drill Bit for Tube Metal Sheet Drilling

US $ 2-20 / Piece FOB
100 Pieces (MOQ)
More
Customized : Non-Customized
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Xuzhou Perfect Tools Co., Ltd.

Trading Company

Jiangsu, China Since 2015
Chat Now Send Inquiry
Carbide Inner Coolant Tools Router Tungsten Carbide HSS Diamond Core Twist Thread Button Drilling/Drill Bits 2f

Carbide Inner Coolant Tools Router Tungsten Carbide HSS Diamond Core Twist Thread Button Drilling/Drill Bits 2f

US $ 0.7-60 / Piece FOB
1 Piece (MOQ)
More
Main Products: Endmills, Drills, Inserts, Tool Holder
Contact Supplier
Audited Supplier Audited Supplier Since 2024
CHANGZHOU SOOD TOOLS CO., LTD

Trading Company

Jiangsu, China Since 2024
Chat Now Send Inquiry
19PCS 118° Tip Fully Ground HSS Metal Twist Drill Bit

19PCS 118° Tip Fully Ground HSS Metal Twist Drill Bit

US $ 1-2 / Set FOB
100 Sets (MOQ)
More
Standard : DIN, JIS, AISI, API
Contact Supplier
Audited Supplier Audited Supplier Since 2022
TIVOLY TOOL MANUFACTURING(CHANGSHU) CO., LTD.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2022
Chat Now Send Inquiry
DIN338 HSS M35 Co5% Twist Drill Bits for Stainless Steel Amber Finished Fully Ground High Speed Steel

DIN338 HSS M35 Co5% Twist Drill Bits for Stainless Steel Amber Finished Fully Ground High Speed Steel

US $ 0.2-5 / Piece FOB
1 Piece (MOQ)
More
Main Products: Drill Bits, Diamond Saw Blades, Tct Saw Blade, HSS Taps, Hole Saws, RF Connector, Abrasive Tools, Taps and Dies, SDS Drill Bits, SDS Chisels
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Jiangsu Right Import&Export Co., Ltd.

Jiangsu, China Since 2022
Chat Now Send Inquiry
Suborui Manufacturer Inch Straight Grooved HSS M2 Step Drill Bit for Metal Drilling

Suborui Manufacturer Inch Straight Grooved HSS M2 Step Drill Bit for Metal Drilling

US $ 8.9-9.9 / Piece FOB
100 Pieces (MOQ)
More
Customized : Non-Customized
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Jiangsu Borui Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
Chat Now Send Inquiry
Related Videos
  • What is Power Tools 100% Satisfaction HSS M35 Twist Cobalt Drill Bits
    What is Power Tools 100% Satisfaction HSS M35 Twist Cobalt Drill Bits
    US $ 0.1-10 /Piece
    100 Pieces (MOQ)
    Contact Supplier
  • What is Manufacturer DIN338 HSS Straight Shank Twist Drill Bit for Hardened Steel and Stainless Steel
    What is Manufacturer DIN338 HSS Straight Shank Twist Drill Bit for Hardened Steel and Stainless Steel
    US $ 0.1-8 /Piece
    100 Pieces (MOQ)
    Contact Supplier
  • What is HSS Core Step Drill Bit for Metal Drilling Drill for Metal Step Bit Pocket Hole Drill Bits Step Drill Bit for Metal Core Drill
    What is HSS Core Step Drill Bit for Metal Drilling Drill for Metal Step Bit Pocket Hole Drill Bits Step Drill Bit for Metal Core Drill
    US $ 4-9 /Piece
    100 Pieces (MOQ)
    Contact Supplier
  • What is DIN338 HSS Cobalt Twist Drill Bits for Metal
    What is DIN338 HSS Cobalt Twist Drill Bits for Metal
    US $ 0.1-5 /Piece
    1 Piece (MOQ)
    Contact Supplier
Diamond Hex Shank Vacuum Brazed Dry Tile Cutter Core HSS Drill Bit for Ceramic and Marble

Diamond Hex Shank Vacuum Brazed Dry Tile Cutter Core HSS Drill Bit for Ceramic and Marble

US $ 4.5-6.5 / PCS FOB
5 PCS (MOQ)
More
Main Products: Diamond Tools, Diamond Saw Blade, Diamond Drill Bit, Diamond Cup Wheel, Diamond Segment, Diamond Wire Saw, Diamond Polishing Pads, Electroplated Drill Bits, Electroplated Diamond Saw Blade, Diamond Grinding Disc
Contact Supplier
Audited Supplier Audited Supplier Since 2014
QUANZHOU ZHUOSHI SUPERHARD TOOL CO., LTD.

Fujian, China Since 2014
Chat Now Send Inquiry
Jobber Length Twist M35 HSS 5% Cobalt Drill Bit for Stainless Steel

Jobber Length Twist M35 HSS 5% Cobalt Drill Bit for Stainless Steel

US $ 0.06 / Piece FOB
1,000 Pieces (MOQ)
More
Standard : DIN
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Yueqing Hengda Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
DIN345 HSS Drill Bit for Metal Processing

DIN345 HSS Drill Bit for Metal Processing

US $ 0.5-1 / Piece FOB
50 Pieces (MOQ)
More
Main Products: Carbide Insert, End Mill, HSS Drill, Machine Tap, Drill Bit
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Zhuzhou Anting Tungsten Carbide Tools Co., Ltd

Hunan, China Since 2023
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

About Hss Drill Bits FAQ

  • QWhat are the common materials used in manufacturing drill bits?

    Discover the perfect Drill Bit addition with our Hss Drill Bits.Drill bits are commonly made of high-speed steel, solid carbide, cobalt steel, or Tungsten Carbide. Each material has its unique characteristics like durability and suitability for specific materials. Consulting with a reputable manufacturer can help you determine the best material for your task.

  • QHow can I locate reliable suppliers of drill bits in China?

    The Hss Drill Bits is a top choice in our Drill Bit collection.When searching for reliable drill bit suppliers in China, make use of online supplier directories, attend trade shows, and request referrals from business contacts. Ensure that the supplier follows industry standards and quality assurance processes. Choosing to collaborate with a leading supplier can ensure quality and consistent supply.

  • QWhat advantages do wholesale purchases of drill bits offer?

    The Hss Drill Bits is a premium choice in the Drill Bit category.Opting for wholesale purchase of drill bits provides benefits such as cost-efficiency, bulk purchasing discounts, and the flexibility for custom orders. Bulk buying also ensures a streamlined supply chain and access to reliable manufacturing expertise. This secures high-quality drill bits at competitive rates.

Hex Shank HSS Cobalt Spiral Groove 3 Flutes Step Drill Bits for Stainless Steel Iron Hole Opener Saw ODM Obm ODM Support

Hex Shank HSS Cobalt Spiral Groove 3 Flutes Step Drill Bits for Stainless Steel Iron Hole Opener Saw ODM Obm ODM Support

US $ 1.7-1.98 / pieces FOB
10 pieces (MOQ)
More
Customized : Customized
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Xi'an Romansty Tools Co., Ltd

Shaanxi, China Since 2024
Chat Now Send Inquiry
Hex Shank Tin-Coated HSS Wood Countersink Drill Bit for Wood Screw

Hex Shank Tin-Coated HSS Wood Countersink Drill Bit for Wood Screw

US $ 0.5-5 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Drill Bits, Saw Blades, Tct Saw Blades, Diamond Saw Blades, Abrasive Wheel, Flap Disc, Sanding Disc, Hole Saw, Chisel, Grinding Wheel
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Hangzhou Fanxi Tools Co., Ltd.

Zhejiang, China Since 2007
Chat Now Send Inquiry
Jobber Length Drills HSS M35 Twist Drill Bits 5% Cobalt Fully Ground Golden Straight Shank Drills

Jobber Length Drills HSS M35 Twist Drill Bits 5% Cobalt Fully Ground Golden Straight Shank Drills

US $ 0.1-3.5 / Piece FOB
100 Pieces (MOQ)
More
Type : Twist Drill Bit
Contact Supplier
Audited Supplier Audited Supplier Since 2022
JiangSu XingRui Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
Chat Now Send Inquiry
HSS Black Oxide Jobber Length Fully Ground Drill Bit

HSS Black Oxide Jobber Length Fully Ground Drill Bit

US $ 0.029-1.677 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Drill Bit
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Danyang Speedy Tools Co., Ltd

Trading Company

Jiangsu, China Since 2024
Chat Now Send Inquiry
90 Degree 3 Flutes HSS Chamfer Metal Countersink Drill Bits for Chamfering and Deburring and Counter Sink

90 Degree 3 Flutes HSS Chamfer Metal Countersink Drill Bits for Chamfering and Deburring and Counter Sink

US $ 0.5-5 / Piece FOB
1 Piece (MOQ)
More
Material : High Speed Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2007
DANYANG DAMING TOOLS CO., LTD.

Trading Company

Jiangsu, China Since 2007
Chat Now Send Inquiry
China Manufacturer Direct Sale Long Length HSS Twist Drill Bits Set for Metal Stainless Steel

China Manufacturer Direct Sale Long Length HSS Twist Drill Bits Set for Metal Stainless Steel

US $ 2.5-15 / set FOB
300 set (MOQ)
More
Main Products: Diamond Saw Blade/TCT Saw Blade, Diamond Grinding Wheel, Drill Bit
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Jiangsu Yaofeng Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
Chat Now Send Inquiry
Suborui High Quality HSS 4241 6542 High Speed Steel Twist Brad Point Wood Drill Bit for Hard Wood

Suborui High Quality HSS 4241 6542 High Speed Steel Twist Brad Point Wood Drill Bit for Hard Wood

US $ 0.09-1.9 / Piece FOB
100 Pieces (MOQ)
More
Length : Jobber-length
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Jiangsu Borui Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
Chat Now Send Inquiry
Goldmoon 246PCS HSS Twist Drill Bit Wood Drill Bit Nut Driver Magnetic Bit Holder Counter Sink Drill Bit

Goldmoon 246PCS HSS Twist Drill Bit Wood Drill Bit Nut Driver Magnetic Bit Holder Counter Sink Drill Bit

US $ 25-26.5 / Set FOB
10 Sets (MOQ)
More
Main Products: Drill Bit, Power Tools, Saw Blade
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Jiangsu Goldmoon Industry Co., Ltd.

Trading Company

Jiangsu, China Since 2015
Chat Now Send Inquiry
SDS Hammer Drill Bit, HSS Drill Bit

SDS Hammer Drill Bit, HSS Drill Bit

US $ 0.001-100 / Piece FOB
1,000 Pieces (MOQ)
More
Type : Center Drill Bit
Contact Supplier
Audited Supplier Audited Supplier Since 2012
JIANGSU ALSTON TOOLS CO., LTD.

Jiangsu, China Since 2012
Chat Now Send Inquiry
Amber Coating HSS Cobalt Twist Drill Bit

Amber Coating HSS Cobalt Twist Drill Bit

US $ 0.044-2.286 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Drill Bit
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Danyang Speedy Tools Co., Ltd

Trading Company

Jiangsu, China Since 2024
Chat Now Send Inquiry
3/16 to 7/8 Inch Step Drill Bit, M2 HSS Spiral Grooved Step Bit for Stainless Steel

3/16 to 7/8 Inch Step Drill Bit, M2 HSS Spiral Grooved Step Bit for Stainless Steel

US $ 1.25 / Piece FOB
100 Pieces (MOQ)
More
Material : High Speed Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2022
JiangSu XingRui Tools Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
Chat Now Send Inquiry
HSS Spotting Drill Bit Spotting Drill Spotting Tool Carbide Spotting Drill Bit

HSS Spotting Drill Bit Spotting Drill Spotting Tool Carbide Spotting Drill Bit

US $ 1 / Piece FOB
1 Piece (MOQ)
More
Main Products: Saw Blade, End Mill, Grinding Disc, Carbide Insert, Chuck, Tool Holder, Drill Bit, Cutting Tool, Carbide Burrs, Blade and Knife
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Kunshan Canuri Precision Tools Co., Ltd.

Jiangsu, China Since 2015
Chat Now Send Inquiry
Customized Black Bright Tin Coating HSS Three Flats Shank Drill Bits

Customized Black Bright Tin Coating HSS Three Flats Shank Drill Bits

US $ 0.1-10 / Piece FOB
500 Pieces (MOQ)
More
Material : High Speed Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Danyang I Believe Machinery Tools Co., Ltd.

Jiangsu, China Since 2024
Chat Now Send Inquiry
View More

Related Searches

Hammer Drill Bit Core Drill Bits Wood Drill Bit Wholesale Hss Drill Bits Drill Bit Set Diamond Core Drill Bit Core Drill Bit Diamond Drill Bit Drill Saw Bit Button Drill Bit

Browse by Categories

Home > Tools & Hardware > Drilling Tools > Drill Bit > Twist Drill Bit
1/804
TOP

Search Filter

Categories

More Less
  • Drill Bit
  • Tap & Die
  • Power Tool Accessories
  • Diamond Drilling Tools
  • Screwdriver
  • Other Drilling Tools
  • Milling Cutter
  • Saw Blade
  • Electric Drill
  • Reamer

Customized

More Less
  • Customized
  • Non-Customized

Length

More Less
  • Jobber-length
  • Taper-length
  • Stub-length

Material

More Less
  • High Speed Steel
  • Tungsten Carbide
  • Solid Carbide
  • High Carbon Steel
  • Diamond
  • Cobalt Steel Alloys
  • Soft Low Carbon Steel

Standard

More Less
  • DIN
  • AISI
  • JIS
  • API
  • BIN

Usage

More Less
  • Metal Drilling
  • Wood Drilling
  • Masonry Drilling
  • PCB Drilling
  • Well Drilling

Company Type

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

Company Location

More Less
  • Jiangsu
  • Shanghai
  • Zhejiang
  • Hunan
  • Guangdong
  • Sichuan
  • Shandong
  • Tianjin
  • Henan
  • Hubei
  • Fujian
  • Jiangxi
  • Shaanxi
  • Anhui
  • Hebei
  • Liaoning
  • Chongqing
  • Yunnan
  • Hongkong S.A.R.
  • Guangxi
Reset Done