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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
RWM250A $0.1146 - $0.1273 6000 In stock
Natural
M4
Nylon
0.169 in
0.472 in
0.055 in
RWM050A $0.1066 - $0.1183 74000 In stock
Natural
M2
Nylon
0.106 in
0.197 in
0.059 in
RWM450A $0.1203 - $0.1337 1454000 In stock
Natural
M6
Nylon
0.252 in
0.394 in
0.11 in
RWM100A $0.0969 - $0.1075 26000 In stock
Natural
M3
Nylon
0.126 in
0.354 in
0.059 in
RWM500A $0.1487 - $0.1653 Request the lead time here
Natural
M8
Nylon
0.331 in
0.512 in
0.11 in
$0.0638 - $0.0708 8500 In stock
Blue
M7
LDPE - PIR
0.331 in
0.591 in
0.059 in
$0.0451 - $0.0501 500 In stock
Red
M6
LDPE - PIR
0.252 in
0.472 in
0.063 in
$0.0421 - $0.0466 1000 In stock
Gray
M5
LDPE - PIR
0.209 in
0.335 in
0.098 in
$0.0466 - $0.0519 23000 In stock
Gray
M6
LDPE - PIR
0.252 in
0.394 in
0.106 in
$0.0903 - $0.1002 7000 In stock
Blue
M10
LDPE - PIR
0.413 in
0.709 in
0.059 in
$0.0364 - $0.0404 22000 In stock
Natural
1/4
Nylon 6/6
0.256 in
0.505 in
0.139 in
$0.0364 - $0.0404 4000 In stock
Natural
1/4
Nylon 6/6
0.242 in
0.500 in
0.139 in
$0.0445 - $0.0493 9000 In stock
Natural
5/16
Nylon 6/6
0.318 in
0.640 in
0.158 in
16SRRW006354150 $0.0279 - $0.0309 1000 In stock
Natural
#6
Nylon 6/6
0.154 in
0.363 in
0.095 in
$0.03 - $0.0332 85000 In stock
Natural
#10
Nylon 6/6
RWM400A $0.1191 - $0.1324 621500 In stock
Natural
M6
Nylon
0.252 in
0.709 in
0.079 in
$0.1163 - $0.1291 Request the lead time here
Natural
M5
Nylon
0.209 in
0.453 in
0.055 in
RWM200A $0.1141 - $0.1267 4000 In stock
Natural
M4
Nylon
0.169 in
0.276 in
0.091 in
RWM350A $0.1172 - $0.13 Request the lead time here
Natural
M5
Nylon
0.209 in
0.335 in
0.11 in
RWM150A $0.1073 - $0.1192 5000 In stock
Natural
M3
Nylon
0.126 in
0.217 in
0.087 in
  • of 6
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
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
74000 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 - 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
1454000 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 - 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
26000 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 - 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
Blue LDPE - PIR Retaining Washer - 8.4 mm | 0.331 in; 17.0 mm | 0.669 in; Thickness 2.0 mm | 0.079 in; Compatible Screw Sizes M7

015208008703

Price Range
$0.0708 - $0.0638

Stock Levels
8500 In stock
Attributes
  • Inside Diameter
    0.331 in
  • Outside Diameter
    0.591 in
  • Thickness
    0.059 in
  • Screw Size
    M7
  • Material
    LDPE - PIR
Red LDPE - PIR Retaining Washer - 6.4 mm | 0.252 in; 12.0 mm | 0.472 in; Thickness 1.6 mm | 0.063 in; Compatible Screw Sizes M6

015006000503

Price Range
$0.0501 - $0.0451

Stock Levels
500 In stock
Attributes
  • Inside Diameter
    0.252 in
  • Outside Diameter
    0.472 in
  • Thickness
    0.063 in
  • Screw Size
    M6
  • Material
    LDPE - PIR
Gray LDPE - PIR Retaining Washer - 5.3 mm | 0.209 in; 8.5 mm | 0.335 in; Thickness 2.7 mm | 0.106 in; Compatible Screw Sizes M5

015105000203

Price Range
$0.0466 - $0.0421

Stock Levels
1000 In stock
Attributes
  • Inside Diameter
    0.209 in
  • Outside Diameter
    0.335 in
  • Thickness
    0.098 in
  • Screw Size
    M5
  • Material
    LDPE - PIR
Gray LDPE - PIR Retaining Washer - 6.4 mm | 0.252 in; 10 mm | 0.393 in; Thickness 2.7 mm | 0.106 in; Compatible Screw Sizes M6

015106000203

Price Range
$0.0519 - $0.0466

Stock Levels
23000 In stock
Attributes
  • Inside Diameter
    0.252 in
  • Outside Diameter
    0.394 in
  • Thickness
    0.106 in
  • Screw Size
    M6
  • Material
    LDPE - PIR
Blue LDPE - PIR Retaining Washer - 10.5 mm | 0.413 in; 18.0 mm | 0.709 in; Thickness 1.5 mm | 0.059 in; Compatible Screw Sizes M10

015210008703

Price Range
$0.1002 - $0.0903

Stock Levels
7000 In stock
Attributes
  • Inside Diameter
    0.413 in
  • Outside Diameter
    0.709 in
  • Thickness
    0.059 in
  • Screw Size
    M10
  • Material
    LDPE - PIR
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 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 - 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 - 3.9 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 - 5.1 mm | 0.200 in; 10.7 mm | 0.421 in; Thickness 3 mm | 0.120 in; Compatible Screw Sizes #10

16SRRW010421200

Price Range
$0.0332 - $0.03

Stock Levels
85000 In stock
Attributes
  • Screw Size
    #10
  • Material
    Nylon 6/6
  • Full Material
    Polyamide 6.6
  • Color
    Natural
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
621500 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 - 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 - 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
4000 In stock
Attributes
  • Inside Diameter
    0.169 in
  • Outside Diameter
    0.276 in
  • Thickness
    0.091 in
  • Screw Size
    M4
  • 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
Request the lead time here
Attributes
  • Inside Diameter
    0.209 in
  • Outside Diameter
    0.335 in
  • Thickness
    0.11 in
  • Screw Size
    M5
  • Material
    Nylon
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
5000 In stock
Attributes
  • Inside Diameter
    0.126 in
  • Outside Diameter
    0.217 in
  • Thickness
    0.087 in
  • Screw Size
    M3
  • Material
    Nylon