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- Model NO.: M4-M64
- Material: Carbon Steel
- Combination Washer Packaging: All Inclusive
- Available Material: High Strength Steel, Stainless Steel, Carbon Steel
- International Standard: DIN, ANSI, GB, JIS, Bsw, GOST
- Used: Black Hex Bolt-Machinery, Building
- Trademark: HN
- Origin: China
- Type: Lock Washer
- Combination Washer Structure: A Type
- Spring Washer Type: Standard
- Head Type: Round
- Class/Grade: 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
- Surface Finishing: Hot DIP Galvanizing, Blu-White Zinc Plated
- Specification: M4-M64
- HS Code: 731815
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.
Rubber or fiber gaskets used in taps (or faucets, or valves) to stop the flow of water are sometimes referred to colloquially as washers; but, while they may look similar, washers and gaskets are usually designed for different functions and made differently.
Washers are also important for preventing galvanic corrosion, particularly by insulating steel screws from aluminium surfaces.
The origin of the word is unknown; the first recorded use of the word was in 1346, however the first time its definition was recorded was in 1611.
| Products name | Washers(Flat washer, spring washer.ring washer,Lock washer,Slip washer | ||||||
| Standard: | DIN,ASTM/ANSI JIS EN ISO,AS,GB | ||||||
| Material | Stainless Steel: SS201, SS303, SS304, SS316,,SS904L | ||||||
| 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 |
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| Production Process |
Stamping, Machining and CNC for Customized fastener | ||||||
| Customized Products Lead time |
Busy season:15-30days,Slack seaon:10-15days | ||||||
| Stock Products | Carbon steel:DIN125,DIN127,DIN471,DIN472,F436M Stainless steel: All DIN Or GB Standard stainless steel washers |
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| Free Samples for standard fastener | |||||||
| For more information visit:www.hainafastener.com | |||||||
DIN137b Black Carbon steel Curved Washer Wave Spring Washer
Service
       Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers' specification and performance.
       Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
       Cost effective: Competitive prices with factory directly supply
       Perfect fastening solution with 20 years experiences to solve your problem: Wide range of parts selection.
       Customized Ideal Fasteners: customized services according to the samples and drawings offered.
       If you are not sure about what exactly you need - feel free to contact us anytime and get professional assistance from us.
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