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8.8 Grade Heavy Duty Flat Metal Washers High Strength Plain White Color Customized
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Brand Name:MAIDE
Model Number:M3-M56
Certification:ISO
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Delivery Time:7-30work days
Company Data
Active Member
Business Type:
86-133-3320-4555
Business Type:
Manufacturer Distributor/Wholesaler Agent Importer Exporter Seller Other
Officials:
Handan Yongnian
Quality:
Quality Certifitation Available
Product Details
Company Profile
Product Details
8.8 Grade White Color Flat Metal Washers Plain Washer High Strength Customized
Product Description
Flat washer are mainly punched out from iron plates. Flat washer:
after lock, use elastic pad have the effect of locking, and of
course to a double nut effect is poor.
Single nut + flat mat, play mat: rely on the nut itself locking
force and elastic cushion locking performance, a double nut.
Flat washer: only increase the surface area Prevent the soft
substrate was installed a damaged, or is blocking hole.
Locking method still has a lot of, this is just a very old some
basic locking method, but also very practical.
Trampoline's role is to prevent the screw loose caused by the
vibration of the machine or heat bilges cold shrink.Role is flat
mat, increase the contact area of the screw and machine 1, 2,
eliminate the trampoline at the time of discharge screw damage on
the surface of the machine must be a spring when using a flat mat,
flat pad close to the surface of the machine, spring cushion
between the plain washers and nuts.
Flat mat role is long screw is screw is half buckles added flat
washer cap can take full 2 is the place on the screw hole is too
large added a flat washer not leak down
Trampoline is mainly used for locking, used in vibration is not
big, if the vibration is big, generally want to use the double nut
locking or other locking method, flat washer is mainly used to
increase the contact area, like on the bearing seat because the
drive is long and narrow hole, must be the home of the flat washer.
Flat mat increase the contact area, spring cushion is used for
locking, when it is used in trampoline should pay attention to the
direction of the opening, or the locking effect is not big.
DIN127 DIN128 Carbon Steel Zinc Plated M2-M100 Spring Washer Flat Washer
Flat and spring washer is generally used to distribute the load of a threaded fastener, such as a bolt, scres or nut. Other uses are as a spacer, spring (wave washer), wear pad, preload indicating device, locking device, and to reduce vibration , rubber washer. Washers usually have an outer diameter (OD) about twice larger than their inner diameter (ID).
The sizes of flatwasher we have are from M3 to M52.
The Role of Flat Mat
1. Increase the contact area between the screw and the machine.
2. Eliminate damage to the surface of the machine when the spring
pad is unloaded. When used, it must be a spring pad and a flat pad.
The flat pad is facing the surface of the machine. The spring pad
is between the flat pad and the nut.
Flat pad standard
National standards are different.
Here is the United States flat pad standard:
| Specification | Minor Diameter | Outside Diameter | Thickness Tolerance | Thickness Tolerance Disintegration |
| USS 3/16 | 6.22～6.73 | 14.15～14.66 | 0.91～1.65 | 0.91～1.40 |
| 1.40～1.65 | ||||
| USS 1/4 | 7.80～8.31 | 18.47～19.02 | 1.30～2.03 | 1.30～1.65 |
| 1.65～2.03 | ||||
| USS 5/16 | 9.40～9.91 | 22.05～22.99 | 1.63～2.64 | 1.63～2.20 |
| 2.20～2.64 | ||||
| USS 3/8 | 11.00～11.51 | 25.22～26.16 | 1.63～2.64 | 1.63～2.20 |
| 2.20～2.64 | ||||
| USS 7/16 | 12.57～13.08 | 31.57～32.51 | 1.63～2.64 | 1.63～2.20 |
| 2.20～2.64 | ||||
| USS 1/2 | 14.15～14.60 | 34.75～35.69 | 2.18～3.35 | 2.18～2.70 |
| 2.70～3.00 | ||||
| 3.00～3.35 | ||||
| USS 9/16 | 15.75～16.26 | 37.13～38.07 | 2.18～3.35 | 2.18～2.70 |
| 2.70～3.00 | ||||
| 3.00～3.35 | ||||
| USS 5/8 | 17.30～18.24 | 44.27～45.21 | 2.74～4.06 | 2.74～3.20 |
| 3.20～3.60 | ||||
| 3.60～4.06 | ||||
| USS 3/4 | 20.45～21.39 | 50.62～51.56 | 3.10～4.50 | 3.10～3.60 |
| 3.60～4.20 | ||||
| 4.20～4.50 | ||||
| USS 7/8 | 23.65～24.58 | 56.97～57.91 | 3.45～4.88 | 3.45～4.00 |
| 4.00～4.30 | ||||
| 4.30～4.88 | ||||
| USS 1 | 26.80～27.74 | 63.32～64.26 | 3.45～4.88 | 3.45～4.00 |
| 4.00～4.30 | ||||
| 4.30～4.88 | ||||
| USS 11/8 | 31.57～32.51 | 69.67～70.61 | 3.45～4.88 | 3.45～4.00 |
| 4.00～4.30 | ||||
| 4.30～4.88 | ||||
| USS 11/4 | 34.75～35.69 | 76.02～76.96 | 3.45～4.88 | 3.45～4.00 |
| 4.00～4.30 | ||||
| 4.30～4.88 | ||||
| USS 13/8 | 37.85～39.24 | 82.30～83.69 | 3.89～5.41 | 3.89～4.40 |
| 4.40～5.00 | ||||
| 5.00～5.41 | ||||
| USS 11/2 | 41.02～42.42 | 88.65～90.04 | 3.89～5.41 | 3.89～4.40 |
| 4.40～5.00 | ||||
| 5.00～5.41 | ||||
| USS 15/8 | 44.20～45.59 | 95.00～96.39 | 3.89～5.41 | 3.89～4.40 |
| 4.40～5.00 | ||||
| 5.00～5.41 | ||||
| USS 13/4 | 47.37～48.77 | 101.35～102.74 | 3.89～5.41 | 3.89～4.40 |
| 4.40～5.00 | ||||
| 5.00～5.41 | ||||
| USS 17/8 | 50.55～51.04 | 107.70～109.09 | 3.89～5.41 | 3.89～4.40 |
| 4.40～5.00 | ||||
| 5.00～5.41 | ||||
| USS 2 | 53.72～55.12 | 114.05～115.44 | 3.89～5.41 | 3.89～4.40 |
| 4.40～5.00 | ||||
| 5.00～5.41 |
Company Profile
Handan city Yongnian District Maide Fasteners Co. Ltd
Handan city Yongnian District Maide Fasteners Co. Ltd
Handan Maide Fastener Co.Ltd has own factory and the factory has over 15years experience in fasteners products. Our factroy occupied5000 square meters,and located in the largest distribution center of fasteners--Yongnian district，North of Handan in Hebei.
We mainly produce DIN,GB,ISO,ASTM hex nuts ,hex bolts,flat washers and so on.Our company always adhere the business philosophy of the people as base,the market as core and keep learning the high -quality management experience from successful enterprise and introducing advanced technology at home and abroad.
In addition，Our company promise with our excellent reputation and good service attitude that we will provide high quality of products and good after-sales service to the domestic and overseas customers, warmly welcome new and existing clients to visit our company to negotiate.
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