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USS Washer/Heavy Washer, 1/4'' - 3'', Zinc plated/HDG

One Pallet For One Size
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USS Washer/Heavy Washer, 1/4'' - 3'', Zinc plated/HDG
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Features
Specifications
Name: USS Washer/Heavy Washer
Material: S45C/40CR
Size: 1/4'' - 3''
Finish: Plain/black/ZINC/HDG/Dacromet
Standard: USS
Hardness: HV300/HRC35-45
Application: Construction, Bridges, Machinery And Automobile Manufacturing
High Light:

USS Heavy Washer Black Oxide

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Black Oxide hardware flat washers

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USS hardware flat washers 1/4"-3"

Basic Infomation
Place of Origin: China
Brand Name: YNK
Certification: ISO9001;ISO14001;ISO45001;CE
Model Number: USS
Payment & Shipping Terms
Packaging Details: Pallet
Payment Terms: T/T
Supply Ability: 50T For 1 day
Product Description

Standard:USS

Description:

      USS washers, sometimes referred to as heavy washers, are a type of washer that conform to the Unified Thread Standard (USS). These washers are commonly used in various applications to provide a larger bearing surface and distribute the load when used with bolts or screws. The size range you mentioned, 1/4'' to 3'', indicates the diameter of the bolt or screw they are designed to work with.

      When it comes to surface finishes for USS washers, two common options are zinc plated and hot-dip galvanized (HDG). Let's explore each of these finishes:

      1.Zinc plated: Zinc plating involves applying a thin layer of zinc to the surface of the washer. This coating provides moderate corrosion resistance and acts as a protective barrier against moisture and oxidation. Zinc-plated washers are commonly used in indoor or dry environments where exposure to harsh elements is limited. They offer a silver or slightly yellowish appearance.

      2.Hot-dip galvanized (HDG): HDG involves immersing the washers in a bath of molten zinc, creating a thicker and more robust coating compared to zinc plating. Hot-dip galvanizing provides excellent corrosion resistance, making it suitable for use in outdoor or highly corrosive environments. HDG washers have a distinctive dull gray or matte finish.

      The choice between zinc plated and HDG finishes depends on the specific application requirements, considering factors such as the operating environment and the desired level of corrosion protection. HDG is typically preferred for applications where enhanced corrosion resistance is vital, while zinc plated washers may be suitable for less demanding environments.

 

 

      

Material 45#/40CR
Size 1/4"-3"
Finish Plain/black/ZINC/HDG/Dacromet/Mechanical Galvanized
Hardness HV300/HRC35-45
Marking can be Customized
Application Constrution/Wind turbines/railway line
Packing Carton+ pallet; we can pack washers as your requirements
Terms FOB+shanghai/ningbo
Delivery time 30-70days

 

 

Size

Inner

diamater

(max)

Inner diamater

(min)

Outside diamater

(max)

Outside diamater

(min)

Thickness

(max)

Thickness

(min)

3/16"

14.66

14.15 6.73 6.22 1.65 0.91
1/4" 19.02 18.47 8.31 7.8 2.03 1.3
5/16" 22.99 22.05 9.91 9.4 2.64 1.63
3/8" 26.16 25.22 11.51 11 2.64 1.63
7/16" 32.51 31.57 13.08 12.57 2.64 1.63
1/2" 35.69 34.57 14.66 14.15 3.35 2.18
9/16" 38.07 37.13 16.25 15.75 3.35 2.18
5/8" 45.21 44.27 18.24 17.3 4.06 2.74
3/4" 51.56 50.62 21.39 20.45 4.5 3.1
7/8" 57.91 56.97 24.58 23.65 4.88 3.45
1" 64.26 63.32 27.74 26.8 4.88 3.45
1-1/8" 70.61 69.67 32.51 31.57 4.88 3.45
1-1/4" 76.96 76.02 35.69 34.75 4.88 3.45
1-3/8" 83.69 82.3 39.24 37.85 5.41 3.45
1-1/2" 90.04 88.65 42.42 41.02 5.41 3.45
1-5/8" 96.39 95 45.59 44.2 5.41 3.89
1-3/4” 102.74 101.35 48.77 47.37 5.41 3.89
1-7/8“ 109.09 107.7 51.94 50.55 5.41 3.89
2”

115.44

114.05 55.12 53.72 5.41 3.89
2-1/4“ 121.79 120.4 61.47 60.07 6.3 4.9
2-1/2” 128.14 126.75 67.82 66.42 7.11 5.33
2-3/4“ 135 133.1 74.68 72.77 7.87 5.79
3” 141.35 139.45 81.03 79.12 8.31 6.32

 

Products pictures for Flat washers

USS Washer/Heavy Washer, 1/4'' - 3'', Zinc plated/HDG 0USS Washer/Heavy Washer, 1/4'' - 3'', Zinc plated/HDG 1USS Washer/Heavy Washer, 1/4'' - 3'', Zinc plated/HDG 2

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