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. 797-6367
BrandRS PRO
SGD30.65
1 Bag of 100
Bag(s)
M12 (Form A) Stainless Steel 13mm 24mm A4 316 2.5mm Plain
RS Stock No. 560-316
BrandRS PRO
SGD4.32
1 Bag of 250
Bag(s)
M2 Steel 2.2mm 5mm - 0.3mm Zinc Plated
RS Stock No. 248-4595
BrandRS PRO
SGD8.23
1 Bag of 100
Bag(s)
M2 (Form A) Stainless Steel 2.2mm 5mm A4 316 0.3mm Plain
RS Stock No. 797-6373
BrandRS PRO
SGD5.85
1 Bag of 50
Bag(s)
M6 (Form B) Stainless Steel 6.4mm 12.5mm A4 316 0.8mm Plain
RS Stock No. 122-4387
BrandRS PRO
SGD2.52
1 Bag of 100
Bag(s)
M6 (Form B) Steel 6.4mm 12.5mm - 0.9mm Bright Zinc Plated
RS Stock No. 122-4393
BrandRS PRO
SGD10.47
1 Bag of 50
Bag(s)
M20 (Form B) Steel 21mm 37mm - 2.2mm Bright Zinc Plated
RS Stock No. 223-7412
BrandRS PRO
SGD14.59
Each
units
M6 Ceramic 6.7mm 12.5mm - 1.8mm Plain
RS Stock No. 560-322
BrandRS PRO
SGD4.53
1 Bag of 250
Bag(s)
M2.5 Steel 2.7mm 6mm - 0.5mm Zinc Plated
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
RS Stock No. 276-926
BrandRS PRO
SGD16.42
1 Bag of 50
Bag(s)
M16 Steel 17mm 30mm - 3mm Bright Zinc Plated
RS Stock No. 797-6074
BrandRS PRO
SGD24.09
1 Bag of 50
Bag(s)
M16 (Form A) Stainless Steel 17mm 30mm A2 304 3mm Plain
RS Stock No. 183-9051
BrandRS PRO
SGD19.71
1 Bag of 50
Bag(s)
M12 (Form B) Stainless Steel 13mm 24mm A4 316 1.6mm Plain
RS Stock No. 797-6263
BrandRS PRO
SGD90.39
1 Bag of 100
Bag(s)
M12 Stainless Steel 13mm 37mm A2 304 3mm Plain
RS Stock No. 122-4381
BrandRS PRO
SGD9.70
1 Bag of 100
Bag(s)
M10, M10 (Form C) Steel 10.5mm 24mm - 2mm Bright Zinc Plated
RS Stock No. 483-2609
BrandRS PRO
SGD14.38
1 Bag of 250
Bag(s)
M4 Brass 4.3mm 9mm - 0.8mm Plain
RS Stock No. 223-7399
BrandRS PRO
SGD11.91
Each
units
M4 Ceramic 4.5mm 9mm - 0.9mm Plain
RS Stock No. 122-4398
BrandRS PRO
SGD76.01
1 Bag of 50
Bag(s)
M20 (Form G) Steel 22mm 60mm - 5mm Bright Zinc Plated
RS Stock No. 482-7720
BrandRS PRO
SGD8.27
1 Bag of 250
Bag(s)
M5 Brass 5.3mm 10mm - 1mm Nickel Plated
RS Stock No. 293-195
BrandRS PRO
SGD47.25
1 Bag of 250
Bag(s)
M6 Copper 6.4mm 10mm - 0.8mm Plain
RS Stock No. 797-6086
BrandRS PRO
SGD11.31
1 Bag of 100
Bag(s)
M6 (Form B) Stainless Steel 6.4mm 12.5mm A2 304 0.8mm Plain