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4.8 Grade Iron Precision Ground Galvanized Flat Washers DIN125 / DIN9021

4.8 Grade Iron Precision Ground Galvanized Flat Washers DIN125 / DIN9021

    • 4.8 Grade Iron Precision Ground Galvanized Flat Washers DIN125 / DIN9021
    • 4.8 Grade Iron Precision Ground Galvanized Flat Washers DIN125 / DIN9021
  • 4.8 Grade Iron Precision Ground Galvanized Flat Washers DIN125 / DIN9021

    Product Details:

    Place of Origin: Yongnian,Hebei,China
    Brand Name: MD
    Certification: ISO
    Model Number: M3-M56

    Payment & Shipping Terms:

    Minimum Order Quantity: 1TON
    Packaging Details: Bags (25kg)
    Delivery Time: 7-30work days
    Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
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    Detailed Product Description
    Material: Iron Size: M3-M104
    Grade: 4.8 Color:: Black&Yellow&Zinc
    Brand Name: MAIDE Standard: DIN&USS

     

    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            

     

     

    4.8 Grade Iron Precision Ground Galvanized Flat Washers DIN125 / DIN9021

    Contact Details
    Handan city Yongnian District Maide Fasteners Co. Ltd

    Contact Person: admin

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