Plain Washers

What is it?
A plain washer, also known as a flat washer is a thin ring of material with a hole in the centre.
What does it do?
A plain washer is used with a threaded fastener such as a screw or bolt. Washers are primarily used for the following;
• Distributing the load of a threaded fastener for example, screw or nut
• Preventing damage to the surface it is being fixed to during tightening
• Provides a smooth surface for the nut or bolt to bear on to
Applications
Plain washers are utilised whenever a fastener such as a nut or bolt is used. Some of the more common applications would be;
• Furniture assembly
• White goods, for example, washing machines
• Unistrut and support rail systems
• Steel structures
• Bridges
Types
Flat washers are available in different materials, finishes and thicknesses. Depending on application and environment, there are specific attributes that must be considered when selecting the correct component.
Material
• Brass
• Ceramic
• Steel
• Stainless Steel (304 and 316 grades)
Finish
• Bright zinc plated

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Description Price For Screw/Bolt Size Material Inside Diameter Outside Diameter Stainless Steel Type Thickness Finish
RS Stock No. 122-4391
BrandRS PRO
SGD8.18
1 Bag of 50
Bag(s)
M16 (Form B) Steel 17mm 30mm - 2.2mm Bright Zinc Plated
RS Stock No. 527-347
BrandRS PRO
SGD7.23
1 Bag of 250
Bag(s)
M2 (Form A) Stainless Steel 2.2mm 5mm A2 304 0.3mm Plain
RS Stock No. 122-4394
BrandRS PRO
SGD9.60
1 Bag of 100
Bag(s)
M8 (Form G) Steel 9mm 24mm - 2mm Bright Zinc Plated
RS Stock No. 248-7106
BrandRS PRO
SGD6.71
1 Bag of 100
Bag(s)
M2.5 (Form A) Stainless Steel 2.7mm 6mm A4 316 0.5mm Plain
RS Stock No. 293-202
BrandRS PRO
SGD52.53
1 Bag of 100
Bag(s)
M8 Copper 8.5mm 11.9mm - 1mm Plain
RS Stock No. 483-0710
BrandRS PRO
SGD11.50
1 Bag of 250
Bag(s)
6BA Brass 3.12mm 5.84mm - 0.5mm Nickel Plated
RS Stock No. 248-4624
BrandRS PRO
SGD34.92
1 Bag of 25
Bag(s)
M20 (Form B) Stainless Steel 21mm 37mm A4 316 2mm Plain
RS Stock No. 797-6364
BrandRS PRO
SGD18.55
1 Bag of 100
Bag(s)
M10 (Form A) Stainless Steel 10.5mm 20mm A4 316 2mm Plain
RS Stock No. 2508838279
Mfr. Part No.3358
BrandKeystone
SGD5.91
1 Pack of 100
Pack(s)
- - - - - - -
RS Stock No. 2508833505
Mfr. Part No.3354
BrandKeystone
SGD8.21
1 Pack of 100
Pack(s)
- - - - - - -