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Flat Washer DIN125 M10X20X1.5 Carbon Steel Black

Flat Washer DIN125 M10X20X1.5 Carbon Steel Black

Flat Washer DIN125 M10X20X1.5 Carbon Steel Black

Flat washers are an essential component in various industries, especially in construction and manufacturing. They are small, thin, and circular pieces of metal that are placed between a nut and a bolt or screw to distribute the load and prevent damage to the surface they are applied to. Flat washers come in different materials, sizes, and finishes, with black being a popular choice for aesthetic and corrosion-resistant purposes.

Product Information

 

 

Flat washers are an essential component in various industries, especially in construction and manufacturing. They are small, thin, and circular pieces of metal that are placed between a nut and a bolt or screw to distribute the load and prevent damage to the surface they are applied to. Flat washers come in different materials, sizes, and finishes, with black being a popular choice for aesthetic and corrosion-resistant purposes.
Black flat washers are made of black oxide-coated steel, which gives them their dark finish and provides a layer of protection against rust and other forms of corrosion. This coating can withstand wear and tear, as well as extreme temperatures, making it suitable for use in outdoor and high-temperature applications. Black flat washers are also commonly used in automotive, aerospace, and military applications due to their durability and resistance to harsh conditions.
Aside from their functionality, black flat washers also have aesthetic benefits. They are sleek, modern-looking, and can add a touch of sophistication to any project. Black washers are often used in furniture manufacturing, home décor, and jewelry making, where they serve as decorative elements or accent pieces.
When choosing black flat washers, it is important to consider the material and size that will best suit your application. Some common materials for black flat washers include stainless steel, brass, and aluminum, each with their own unique properties. The size of the washer should also be chosen based on the diameter of the bolt or screw it will be paired with, as well as the thickness of the material it will be applied to.
In conclusion, black flat washers are a versatile and practical component in various industries, offering both functionality and aesthetics. With a range of materials and sizes to choose from, it is important to select the appropriate washer for your specific application. Whether it’s for a construction project or a piece of jewelry, black flat washers are a reliable and stylish option.

Flat Washer Dimensions

Flat Washer Dimensions

Table W1
S.A.E. DIMENSIONS FOR HARDENED FLAT WASHERS

Bolts SizeA
O.D.
B
I.D.
C
Thickness
MinMax
1/4″5/89/320.0510.080
5/16″11/1611/320.0510.080
3/8″13/1613/320.0510.080
7/16″59/6415/320.0510.080
1/2″1-1/1617.320.0970.177
5/8″1-5/1611/160.1220.177
3/4″1-15/3213/160.1220.177
7/8″1-3/415/160.1360.177
1″21-1/80.1360.177
1-1/8″2-1/41-1/40.1360.177
1-1/4″2-1/21-3/80.1360.177
1-3/8″2-3/41-1/20.1360.177
1-1/2″31-5/80.1360.177
1-3/4″3-3/81-7/80.1780.28
2″3-3/42-1/80.1780.28
2-1/4″42-3/80.240.34
2-1/2″4-1/22-5/80.240.34
2-3/4″52-7/80.240.34
3″5-1/23-1/80.240.34
3-1/4″63-3/80.240.34
3-1/2″6-1/23-5/80.240.34
3-3/4″73-7/80.240.34
4″7-1/24-1/80.240.34

 

Table W2
USS DIMENSIONS FOR HARDENED FLAT WASHERS

Bolts SizeA
O.D.
B
I.D.
C
Thickness
MinMax
1/4″3/45/160.0510.080
5/16″7/83/80.0640.104
3/8″17/160.0640.104
7/16″1-1/41/20.0640.104
1/2″1-3/89/160.0860.132
9/16″1-1/25/80.0860.132
5/8″1-3/411/160.1080.160
3/4″213/160.1220.177
7/8″2-1/415/160.1360.192
1″2-1/21-1/160.1360.192
1-1/8″2-3/41-1/40.1360.192
1-1/4″31-3/80.1360.192
1-3/8″3-1/41-1/20.1530.213
1-1/2″3-1/21-5/80.1530.213

 

Table W3
S.A.E. DIMENSIONS FOR LOW CARBON FLAT WASHERS

Bolts SizeA
O.D.
B
I.D.
C
Thickness
1/8″3/85/323/64
5/32″7/163/163/64
3/16″1/27/323/64
7/32″9/161/43/64
1/4″5/89/321/16
5/16″11/1611/321/16
3/8″13/1613/321/16
7/16″59/6415/321/16
1/2″1-1/1617/323/32
9/16″1-3/1619/323/32
5/8″1-5/1621/323/32
3/4″1-1/213/169/64
7/8″1-3/415/169/64
1″21-1/169/64
1-1/8″2-1/41-1/49/64
1-1/4″2-1/21-3/85/32
1-3/8″2-3/41-1/25/32
1-1/2″31-5/85/32

 

Table W4
USS DIMENSIONS FOR LOW CARBON FLAT WASHERS

Bolts SizeA
O.D.
B
I.D.
C
Thickness
3/16″9/161/43/64
1/4″3/45/161/16
5/16″7/83/85/64
3/8″17/165/64
7/16″1-1/41/25/64
1/2″1-3/89/167/64
9/16″1-1/25/87/64
5/8″1-3/411/169/64
3/4″213/165/32
7/8″2-1/415/1611/64
1″2-1/21-1/1611/64
1-1/8″2-3/41-1/411/64
1-1/4″31-3/811/64
1-3/8″3-1/41-1/23/16
1-1/2″3-1/21-5/83/16
1-5/8″3-3/41-3/43/16
1-3/4″41-7/83/16
1-7/8″4-1/423/16
2″4-1/22-1/83/16
2-1/4″4-3/42-3/87/32
2-1/2″52-5/815/64
2-3/4″5-1/42-7/81/4
3″5-1/23-1/817/64

Common Fastener Materials

 

Fasteners are fabricated from a variety of materials. These options include metals and polymers. Stainless steel offers strength and corrosion resistance. While polymer options have less strength than stainless, they are a good choice for resisting chemicals. The most common materials are:

  • Stainless steel
  • Alloy steel
  • Low carbon steel
  • Medium carbon steel
  • Titanium
  • Polymers, such as nylon
Star Washer DIN6798A M6 65Mn Bright Znic/Clear Zinc/Blue White Zinc
MYWAY Metal Washer

Finish Options

 

The use of heat treatments and application of various finishes, also known as “plating,” affects the look and performance of fasteners. Finishes provide material stability and protect the fasteners from corrosion and rust. Below are some common heat treatment and finish benefits:

  • Zinc coating – Most common, low cost, resists corrosion and rust
  • Galvanized – Superior corrosion protection, anti-seize, higher upfront investment
  • Stainless – Great for humid environments, strong, ideal for electrical or mechanical uses
  • Black – Adds color, provides better grip, deflects light

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