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A washer is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are as a spacer, spring (belleville washer, wave washer), wear pad, preload indicating device, locking device, and to reduce vibration (rubber washer). Washers usually have an outer diameter (OD) about twice the width of their inner diameter (ID).
Washers are usually metal or plastic. High quality bolted joints require hardened steel washers to prevent the loss of pre-load due to Brinelling after the torque is applied.
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Products name
Washers(Flat washer, spring washer.ring washer,Lock washer,Slip washer
Standard:
DIN,ASTM/ANSIÂ JISÂ ENÂ ISO,AS,GB
Material
Stainless Steel: SS201, SS303, SS304, SS316,,SS904LÂ
Steel Grade:Common and high strength
Finishing
Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide,
Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated
ProductionÂ
ProcessStamping, Machining and CNC for Customized fastener
Customized Products
Lead timeBusy season:15-30days,Slack seaon:10-15days
Free Samples for standard fastener For more information visit:www.hainafastener.com 
ASTM F436 Carbon Steel Black Plain Washer Flat Washer
A washer is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are as a spacer, spring (belleville washer, wave washer), wear pad, preload indicating device, locking device, and to reduce vibration (rubber washer). Washers usually have an outer diameter (OD) about twice the width of their inner diameter (ID).
Washers are usually metal or plastic. High quality bolted joints require hardened steel washers to prevent the loss of pre-load due to Brinelling after the torque is applied.
Â
Products name
Washers(Flat washer, spring washer.ring washer,Lock washer,Slip washer
Standard:
DIN,ASTM/ANSIÂ JISÂ ENÂ ISO,AS,GB
Material
Stainless Steel: SS201, SS303, SS304, SS316,,SS904LÂ
Steel Grade:Common and high strength
Finishing
Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide,
Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated
ProductionÂ
ProcessStamping, Machining and CNC for Customized fastener
Customized Products
Lead timeBusy season:15-30days,Slack seaon:10-15days
Free Samples for standard fastener For more information visit:www.hainafastener.com
ASTM F436 Carbon Steel Black Plain Washer Flat Washer
Model NO.: ASTM
MOQ: 1000PCS
Trademark: HNF
Transport Package: 20-25kg Carton+900kg/Pallet
Specification: M1.6-M160
Origin: China
Model NO.: ASTM
MOQ: 1000PCS
Trademark: HNF
Transport Package: 20-25kg Carton+900kg/Pallet
Specification: M1.6-M160
Origin: China
ASTM F436 Carbon Steel Black Plain Washer Flat Washer