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. 293-167
BrandRS PRO
SGD42.11
1 Bag of 250
Bag(s)
M3 Copper 3.2mm 7mm - 0.5mm Plain
RS Stock No. 797-6254
BrandRS PRO
SGD33.93
1 Bag of 100
Bag(s)
M10 Stainless Steel 10.5mm 30mm A2 304 2.5mm Plain
RS Stock No. 797-6250
BrandRS PRO
SGD21.57
1 Bag of 100
Bag(s)
M8 Stainless Steel 8.4mm 24mm A2 304 2mm Plain
RS Stock No. 275-715
BrandRS PRO
SGD20.32
1 Bag of 50
Bag(s)
M16 (Form B) Stainless Steel 17mm 30mm A2 304 2mm Plain
RS Stock No. 530-084
BrandRS PRO
SGD16.76
1 Bag of 100
Bag(s)
M12 Steel 13mm 24mm - 2.5mm Bright Zinc Plated
RS Stock No. 223-7383
BrandRS PRO
SGD11.30
Each
units
M3 Ceramic 3.4mm 7mm - 0.6mm Plain
RS Stock No. 797-6077
BrandRS PRO
SGD17.00
1 Bag of 100
Bag(s)
M10 (Form A) Stainless Steel 10.5mm 20mm A2 304 2mm Plain
RS Stock No. 483-2592
BrandRS PRO
SGD6.78
1 Bag of 250
Bag(s)
M3 Brass 3.2mm 7mm - 0.5mm Plain
RS Stock No. 275-721
BrandRS PRO
SGD28.04
1 Bag of 50
Bag(s)
M20 (Form B) Stainless Steel 21mm 37mm A2 304 2mm Plain
RS Stock No. 797-6070
BrandRS PRO
SGD19.26
1 Bag of 100
Bag(s)
M12 (Form A) Stainless Steel 13mm 24mm A2 304 2.5mm Plain
RS Stock No. 122-4385
BrandRS PRO
SGD2.18
1 Bag of 100
Bag(s)
M5 (Form B) Steel 5.3mm 10mm - 0.8mm Bright Zinc Plated
RS Stock No. 483-2621
BrandRS PRO
SGD41.08
1 Bag of 250
Bag(s)
M6 Brass 6.4mm 12mm - 1.6mm Plain
RS Stock No. 483-0631
BrandRS PRO
SGD6.78
1 Bag of 250
Bag(s)
M3 Brass 3.2mm 7mm - 0.5mm Nickel Plated
RS Stock No. 248-4618
BrandRS PRO
SGD24.16
1 Bag of 25
Bag(s)
M16 (Form B) Stainless Steel 17mm 30mm A4 316 2mm Plain
RS Stock No. 483-2637
BrandRS PRO
SGD26.91
1 Bag of 100
Bag(s)
M8 Brass 8.4mm 16mm - 1.6mm Plain
RS Stock No. 483-2615
BrandRS PRO
SGD20.03
1 Bag of 250
Bag(s)
M5 Brass 5.3mm 10mm - 1mm Plain
RS Stock No. 527-404
BrandRS PRO
SGD22.35
1 Bag of 250
Bag(s)
M6 (Form A) Stainless Steel 6.4mm 12mm A2 304 1.6mm Plain
RS Stock No. 276-932
BrandRS PRO
SGD17.46
1 Bag of 50
Bag(s)
M20 Steel 21mm 37mm - 3mm Bright Zinc Plated
RS Stock No. 293-224
BrandRS PRO
SGD73.95
1 Bag of 100
Bag(s)
M12 Copper 12.5mm 16mm - 1.6mm Plain
RS Stock No. 122-4379
BrandRS PRO
SGD4.49
1 Bag of 100
Bag(s)
M6 (Form C) Steel 6.4mm 14mm - 1.5mm Bright Zinc Plated