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Retaining Washers

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Retaining Washers, also known as Retention Washers or Anti-Loss Washers, are primarily used to hold screws and bolts in place during assembly and have a design that grips the outside of screw or bolt shank. They also provide insulation. cushioning and spacing. They help insulate fastening assemblies from moisture and electricity.

This retainer washer range includes options with internal and external teeth with a tapered design. The washer easily slides on to the screw (or bolt) and is retained by the screw once assembled. Self retaining washers cold form and fully enter the pitch of the screw to provide improved sealing.

These plastic retaining washers allow for preliminary mounting of the screw (or bolt) before securing with a nut. They are ideal when pre-assembly of the screw and washer is required. They also help reduce assembly time and cost.

The range includes material options that provide corrosion, abrasion and chemical resistance.

  • Materials: Polyamide 6.6 (PA) and Low Density Polyethylene (LDPE)
  • Colour: Blue, Grey, Natural and Red

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106 results
Product SKUs information
Item Code Price range Availability Color Screw Size Material Inside Diameter Outside Diameter Thickness View
RWM150A $0.1073 - $0.1192 Request the lead time here
Natural
M3
Nylon
0.126 in
0.217 in
0.087 in
RWM350A $0.1172 - $0.13 14000 In stock
Natural
M5
Nylon
0.209 in
0.335 in
0.11 in
RWM550A $0.1691 - $0.1893 Request the lead time here
Natural
M10
Nylon
0.413 in
0.827 in
0.098 in
16SRRW006354150 $0.0279 - $0.0309 1000 In stock
Natural
#6
Nylon 6/6
0.154 in
0.363 in
0.095 in
$0.0364 - $0.0404 22000 In stock
Natural
1/4
Nylon 6/6
0.256 in
0.505 in
0.139 in
$0.03 - $0.0332 83000 In stock
Natural
#10
Nylon 6/6
$0.0853 - $0.0945 Request the lead time here
Natural
3/8
Nylon 6/6
$0.0291 - $0.0322 10000 In stock
Natural
#8
Nylon 6/6
$0.0445 - $0.0493 9000 In stock
Natural
5/16
Nylon 6/6
0.318 in
0.640 in
0.158 in
$0.0269 - $0.0297 Request the lead time here
Natural
#4
Nylon 6/6
0.125 in
0.321 in
0.088 in
$0.0364 - $0.0404 4000 In stock
Natural
1/4
Nylon 6/6
0.242 in
0.500 in
0.139 in
$0.1467 - $0.1624 1000 In stock
Natural
1/2
Nylon 6/6
0.504 in
1.000 in
0.197 in
$0.1163 - $0.1291 Request the lead time here
Natural
M5
Nylon
0.209 in
0.453 in
0.055 in
RWM500A $0.1487 - $0.1653 Request the lead time here
Natural
M8
Nylon
0.331 in
0.512 in
0.11 in
RWM100A $0.0969 - $0.1075 34000 In stock
Natural
M3
Nylon
0.126 in
0.354 in
0.059 in
RWM450A $0.1203 - $0.1337 1452000 In stock
Natural
M6
Nylon
0.252 in
0.394 in
0.11 in
RWM200A $0.1141 - $0.1267 Request the lead time here
Natural
M4
Nylon
0.169 in
0.276 in
0.091 in
RWM400A $0.1191 - $0.1324 615000 In stock
Natural
M6
Nylon
0.252 in
0.709 in
0.079 in
RWM050A $0.1066 - $0.1183 55000 In stock
Natural
M2
Nylon
0.106 in
0.197 in
0.059 in
RWM250A $0.1146 - $0.1273 6000 In stock
Natural
M4
Nylon
0.169 in
0.472 in
0.055 in
  • of 6
Natural Nylon Retaining Washer - 3.2 mm | 0.126 in; 5.5 mm | 0.217 in; Thickness 2.2 mm | 0.087 in;

RWM150A

Price Range
$0.1192 - $0.1073

Stock Levels
Request the lead time here
Attributes
  • Inside Diameter
    0.126 in
  • Outside Diameter
    0.217 in
  • Thickness
    0.087 in
  • Screw Size
    M3
  • Material
    Nylon
Natural Nylon Retaining Washer - 5.3 mm | 0.209 in; 8.5 mm | 0.335 in; Thickness 2.8 mm | 0.11 in;

RWM350A

Price Range
$0.13 - $0.1172

Stock Levels
14000 In stock
Attributes
  • Inside Diameter
    0.209 in
  • Outside Diameter
    0.335 in
  • Thickness
    0.11 in
  • Screw Size
    M5
  • Material
    Nylon
Natural Nylon Retaining Washer - 10.5 mm | 0.413 in; 21.0 mm | 0.827 in; Thickness 2.5 mm | 0.098 in;

RWM550A

Price Range
$0.1893 - $0.1691

Stock Levels
Request the lead time here
Attributes
  • Inside Diameter
    0.413 in
  • Outside Diameter
    0.827 in
  • Thickness
    0.098 in
  • Screw Size
    M10
  • Material
    Nylon
Natural Nylon 6/6 Retaining Washer - 3.9 mm | 0.154 in; 9.2 mm | 0.363 in; Thickness 2.4 mm | 0.095 in;

16SRRW006354150

Price Range
$0.0309 - $0.0279

Stock Levels
1000 In stock
Attributes
  • Inside Diameter
    0.154 in
  • Outside Diameter
    0.363 in
  • Thickness
    0.095 in
  • Screw Size
    #6
  • Material
    Nylon 6/6
Natural Nylon 6/6 Retaining Washer - 6.5 mm | 0.256 in; 12.8 mm | 0.505 in; Thickness 3.5 mm | 0.139 in;

16SRRW025500256

Price Range
$0.0404 - $0.0364

Stock Levels
22000 In stock
Attributes
  • Inside Diameter
    0.256 in
  • Outside Diameter
    0.505 in
  • Thickness
    0.139 in
  • Screw Size
    1/4
  • Material
    Nylon 6/6
Natural Nylon 6/6 - 5.1 mm | 0.200 in; 10.7 mm | 0.421 in; Thickness 3 mm | 0.120 in;

16SRRW010421200

Price Range
$0.0332 - $0.03

Stock Levels
83000 In stock
Attributes
  • Screw Size
    #10
  • Material
    Nylon 6/6
  • Full Material
    Polyamide 6.6
  • Color
    Natural
Natural Nylon 6/6 - 9.7 mm | 0.381 in; 19.7 mm | 0.775 in; Thickness 4.5 mm | 0.177 in;

16SRRW037771381

Price Range
$0.0945 - $0.0853

Stock Levels
Request the lead time here
Attributes
  • Screw Size
    3/8
  • Material
    Nylon 6/6
  • Full Material
    Polyamide 6.6
  • Color
    Natural
Natural Nylon 6/6 - 4.1 mm | 0.161 in; 9.7 mm | 0.380 in; Thickness 2.6 mm | 0.103 in;

16SRRW008374163

Price Range
$0.0322 - $0.0291

Stock Levels
10000 In stock
Attributes
  • Screw Size
    #8
  • Material
    Nylon 6/6
  • Full Material
    Polyamide 6.6
  • Color
    Natural
Natural Nylon 6/6 Retaining Washer - 8.1 mm | 0.318 in; 16.3 mm | 0.640 in; Thickness 4 mm | 0.158 in;

16SRRW031637318

Price Range
$0.0493 - $0.0445

Stock Levels
9000 In stock
Attributes
  • Inside Diameter
    0.318 in
  • Outside Diameter
    0.640 in
  • Thickness
    0.158 in
  • Screw Size
    5/16
  • Material
    Nylon 6/6
Natural Nylon 6/6 Retaining Washer - 3.2 mm | 0.125 in; 8.2 mm | 0.321 in; Thickness 2.2 mm | 0.088 in;

16SRRW004209083

Price Range
$0.0297 - $0.0269

Stock Levels
Request the lead time here
Attributes
  • Inside Diameter
    0.125 in
  • Outside Diameter
    0.321 in
  • Thickness
    0.088 in
  • Screw Size
    #4
  • Material
    Nylon 6/6
Natural Nylon 6/6 Retaining Washer - 6.1 mm | 0.242 in; 12.7 mm | 0.500 in; Thickness 3.5 mm | 0.139 in;

16SRRW025500242

Price Range
$0.0404 - $0.0364

Stock Levels
4000 In stock
Attributes
  • Inside Diameter
    0.242 in
  • Outside Diameter
    0.500 in
  • Thickness
    0.139 in
  • Screw Size
    1/4
  • Material
    Nylon 6/6
Natural Nylon 6/6 Retaining Washer - 12.8 mm | 0.504 in; 25.4 mm | 1.000 in; Thickness 5 mm | 0.197 in;

16SRRW050100504

Price Range
$0.1624 - $0.1467

Stock Levels
1000 In stock
Attributes
  • Inside Diameter
    0.504 in
  • Outside Diameter
    1.000 in
  • Thickness
    0.197 in
  • Screw Size
    1/2
  • Material
    Nylon 6/6
Natural Nylon Retaining Washer - 5.3 mm | 0.209 in; 11.5 mm | 0.453 in; Thickness 1.4 mm | 0.055 in;

RWM300A

Price Range
$0.1291 - $0.1163

Stock Levels
Request the lead time here
Attributes
  • Inside Diameter
    0.209 in
  • Outside Diameter
    0.453 in
  • Thickness
    0.055 in
  • Screw Size
    M5
  • Material
    Nylon
Natural Nylon Retaining Washer - 8.4 mm | 0.331 in; 13.0 mm | 0.512 in; Thickness 2.8 mm | 0.11 in;

RWM500A

Price Range
$0.1653 - $0.1487

Stock Levels
Request the lead time here
Attributes
  • Inside Diameter
    0.331 in
  • Outside Diameter
    0.512 in
  • Thickness
    0.11 in
  • Screw Size
    M8
  • Material
    Nylon
Natural Nylon Retaining Washer - 3.2 mm | 0.126 in; 9.0 mm | 0.354 in; Thickness 1.5 mm | 0.059 in;

RWM100A

Price Range
$0.1075 - $0.0969

Stock Levels
34000 In stock
Attributes
  • Inside Diameter
    0.126 in
  • Outside Diameter
    0.354 in
  • Thickness
    0.059 in
  • Screw Size
    M3
  • Material
    Nylon
Natural Nylon Retaining Washer - 6.4 mm | 0.252 in; 10.0 mm | 0.394 in; Thickness 2.8 mm | 0.11 in;

RWM450A

Price Range
$0.1337 - $0.1203

Stock Levels
1452000 In stock
Attributes
  • Inside Diameter
    0.252 in
  • Outside Diameter
    0.394 in
  • Thickness
    0.11 in
  • Screw Size
    M6
  • Material
    Nylon
Natural Nylon Retaining Washer - 4.3 mm | 0.169 in; 7.0 mm | 0.276 in; Thickness 2.3 mm | 0.091 in;

RWM200A

Price Range
$0.1267 - $0.1141

Stock Levels
Request the lead time here
Attributes
  • Inside Diameter
    0.169 in
  • Outside Diameter
    0.276 in
  • Thickness
    0.091 in
  • Screw Size
    M4
  • Material
    Nylon
Natural Nylon Retaining Washer - 6.4 mm | 0.252 in; 18.0 mm | 0.709 in; Thickness 2.0 mm | 0.079 in;

RWM400A

Price Range
$0.1324 - $0.1191

Stock Levels
615000 In stock
Attributes
  • Inside Diameter
    0.252 in
  • Outside Diameter
    0.709 in
  • Thickness
    0.079 in
  • Screw Size
    M6
  • Material
    Nylon
Natural Nylon Retaining Washer - 2.7 mm | 0.106 in; 5.0 mm | 0.197 in; Thickness 1.5 mm | 0.059 in;

RWM050A

Price Range
$0.1183 - $0.1066

Stock Levels
55000 In stock
Attributes
  • Inside Diameter
    0.106 in
  • Outside Diameter
    0.197 in
  • Thickness
    0.059 in
  • Screw Size
    M2
  • Material
    Nylon
Natural Nylon Retaining Washer - 4.3 mm | 0.169 in; 12.0 mm | 0.472 in; Thickness 1.4 mm | 0.055 in;

RWM250A

Price Range
$0.1273 - $0.1146

Stock Levels
6000 In stock
Attributes
  • Inside Diameter
    0.169 in
  • Outside Diameter
    0.472 in
  • Thickness
    0.055 in
  • Screw Size
    M4
  • Material
    Nylon