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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
RWM100A $0.0936 - $0.1039 28000 In stock
Natural
M3
Nylon
0.126 in
0.354 in
0.059 in
RWM200A $0.1102 - $0.1224 14000 In stock
Natural
M4
Nylon
0.169 in
0.276 in
0.091 in
RWM400A $0.1151 - $0.1279 392300 In stock
Natural
M6
Nylon
0.252 in
0.709 in
0.079 in
RWM150A $0.1037 - $0.1152 2000 In stock
Natural
M3
Nylon
0.126 in
0.217 in
0.087 in
RWM050A $0.103 - $0.1143 82000 In stock
Natural
M2
Nylon
0.106 in
0.197 in
0.059 in
RWM250A $0.1107 - $0.123 14000 In stock
Natural
M4
Nylon
0.169 in
0.472 in
0.055 in
RWM450A $0.1162 - $0.1292 1466000 In stock
Natural
M6
Nylon
0.252 in
0.394 in
0.11 in
$0.1124 - $0.1247 Request the lead time here
Natural
M5
Nylon
0.209 in
0.453 in
0.055 in
RWM500A $0.1437 - $0.1597 Request the lead time here
Natural
M8
Nylon
0.331 in
0.512 in
0.11 in
RWM350A $0.1132 - $0.1256 Request the lead time here
Natural
M5
Nylon
0.209 in
0.335 in
0.11 in
RWM550A $0.1634 - $0.1829 Request the lead time here
Natural
M10
Nylon
0.413 in
0.827 in
0.098 in
$0.0327 - $0.0498 500 In stock
Black
7/16
Nylon 6/6
0.570 in
1.031 in
0.032 in
$0.0352 - $0.0484 Request the lead time here
Black
#7
Nylon 6/6
0.375 in
0.750 in
0.062 in
$0.019 - $0.029 26000 In stock
Black
#8
Nylon 6/6
0.235 in
0.391 in
0.032 in
$0.045 - $0.0501 83000 In stock
Gray
M6
LDPE - PIR
0.252 in
0.394 in
0.106 in
$0.0436 - $0.0484 3500 In stock
Red
M6
LDPE - PIR
0.252 in
0.472 in
0.063 in
$0.0391 - $0.0433 21000 In stock
Red
M2.5
LDPE - PIR
0.106 in
0.256 in
0.043 in
$0.0407 - $0.045 1000 In stock
Gray
M5
LDPE - PIR
0.209 in
0.335 in
0.098 in
$0.0872 - $0.0968 7000 In stock
Blue
M10
LDPE - PIR
0.413 in
0.709 in
0.059 in
$0.0394 - $0.0438 19000 In stock
Gray
M2.5
LDPE - PIR
0.106 in
0.197 in
0.059 in
  • of 6
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
$0.1039 - $0.0936

Stock Levels
28000 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 - 4.3 mm | 0.169 in; 7.0 mm | 0.276 in; Thickness 2.3 mm | 0.091 in;

RWM200A

Price Range
$0.1224 - $0.1102

Stock Levels
14000 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 - 6.4 mm | 0.252 in; 18.0 mm | 0.709 in; Thickness 2.0 mm | 0.079 in;

RWM400A

Price Range
$0.1279 - $0.1151

Stock Levels
392300 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 - 3.2 mm | 0.126 in; 5.5 mm | 0.217 in; Thickness 2.2 mm | 0.087 in;

RWM150A

Price Range
$0.1152 - $0.1037

Stock Levels
2000 In stock
Attributes
  • Inside Diameter
    0.126 in
  • Outside Diameter
    0.217 in
  • Thickness
    0.087 in
  • Screw Size
    M3
  • 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
$0.1143 - $0.103

Stock Levels
82000 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
$0.123 - $0.1107

Stock Levels
14000 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 - 6.4 mm | 0.252 in; 10.0 mm | 0.394 in; Thickness 2.8 mm | 0.11 in;

RWM450A

Price Range
$0.1292 - $0.1162

Stock Levels
1466000 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 - 5.3 mm | 0.209 in; 11.5 mm | 0.453 in; Thickness 1.4 mm | 0.055 in;

RWM300A

Price Range
$0.1247 - $0.1124

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
$0.1597 - $0.1437

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 - 5.3 mm | 0.209 in; 8.5 mm | 0.335 in; Thickness 2.8 mm | 0.11 in;

RWM350A

Price Range
$0.1256 - $0.1132

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 - 10.5 mm | 0.413 in; 21.0 mm | 0.827 in; Thickness 2.5 mm | 0.098 in;

RWM550A

Price Range
$0.1829 - $0.1634

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
Retaining Washer 0.570 in 1.031 in 0.032 in Nylon 6/6 Black

16FWRT437032B

Price Range
$0.0498 - $0.0327

Stock Levels
500 In stock
Attributes
  • Inside Diameter
    0.570 in
  • Outside Diameter
    1.031 in
  • Thickness
    0.032 in
  • Screw Size
    7/16
  • Material
    Nylon 6/6
Retaining Washer 0.375 in 0.750 in 0.062 in Nylon 6/6 Black

16FWRT007062B

Price Range
$0.0484 - $0.0352

Stock Levels
Request the lead time here
Attributes
  • Inside Diameter
    0.375 in
  • Outside Diameter
    0.750 in
  • Thickness
    0.062 in
  • Screw Size
    #7
  • Material
    Nylon 6/6
Retaining Washer 0.235 in 0.391 in 0.032 in Nylon 6/6 Black

16FWRT008032B

Price Range
$0.029 - $0.019

Stock Levels
26000 In stock
Attributes
  • Inside Diameter
    0.235 in
  • Outside Diameter
    0.391 in
  • Thickness
    0.032 in
  • Screw Size
    #8
  • Material
    Nylon 6/6
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
$0.0501 - $0.045

Stock Levels
83000 In stock
Attributes
  • Inside Diameter
    0.252 in
  • Outside Diameter
    0.394 in
  • Thickness
    0.106 in
  • Screw Size
    M6
  • 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
$0.0484 - $0.0436

Stock Levels
3500 In stock
Attributes
  • Inside Diameter
    0.252 in
  • Outside Diameter
    0.472 in
  • Thickness
    0.063 in
  • Screw Size
    M6
  • Material
    LDPE - PIR
Red LDPE - PIR Retaining Washer - 2.7 mm | 0.106 in; 6.5 mm | 0.256 in; Thickness 1.1 mm | 0.043 in; Compatible Screw Sizes M2.5

015002500503

Price Range
$0.0433 - $0.0391

Stock Levels
21000 In stock
Attributes
  • Inside Diameter
    0.106 in
  • Outside Diameter
    0.256 in
  • Thickness
    0.043 in
  • Screw Size
    M2.5
  • 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
$0.045 - $0.0407

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
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
$0.0968 - $0.0872

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
Gray LDPE - PIR Retaining Washer - 2.7 mm | 0.106 in; 6.5 mm | 0.256 in; Thickness 1.1 mm | 0.043 in; Compatible Screw Sizes M2.5

015102500203

Price Range
$0.0438 - $0.0394

Stock Levels
19000 In stock
Attributes
  • Inside Diameter
    0.106 in
  • Outside Diameter
    0.197 in
  • Thickness
    0.059 in
  • Screw Size
    M2.5
  • Material
    LDPE - PIR