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4.8 Grade Iron Precision Ground Galvanized Flat Washers DIN125 / DIN9021
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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
4.8 Grade Iron Flat Metal Washers In Bulk With DIN125 / DIN9021 / DIN126 / DIN7989
Product Description
1, increase the contact area of the screw and the machine.
2, to eliminate the spring pad when the screws on the machine
surface damage. Must be a spring pad with a flat pad, flat pad next
to the machine surface, spring pad between the flat and nut.
Flat pad standards
National standards are different.
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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