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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
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
RWM100A $0.0936 - $0.1039 28000 In stock
Natural
M3
Nylon
0.126 in
0.354 in
0.059 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
RWM050A $0.103 - $0.1143 80000 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
RWM350A $0.1132 - $0.1256 Request the lead time here
Natural
M5
Nylon
0.209 in
0.335 in
0.11 in
RWM150A $0.1037 - $0.1152 3000 In stock
Natural
M3
Nylon
0.126 in
0.217 in
0.087 in
RWM550A $0.1634 - $0.1829 Request the lead time here
Natural
M10
Nylon
0.413 in
0.827 in
0.098 in
16FWRT004050 $0.0192 - $0.0293 98000 In stock
Natural
#4
Nylon 6/6
0.156 in
0.250 in
0.050 in
16FWRT007062 $0.0289 - $0.044 452000 In stock
Natural
#7
Nylon 6/6
0.375 in
0.750 in
0.062 in
16FWRT010032 $0.0173 - $0.0263 281000 In stock
Natural
#10
Nylon 6/6
0.277 in
0.453 in
0.032 in
$0.0626 - $0.0954 7250 In stock
Natural
7/8
Nylon 6/6
0.940 in
1.344 in
0.062 in
$0.026 - $0.0287 3000 In stock
Natural
#4
Nylon 6/6
0.125 in
0.321 in
0.088 in
$0.0352 - $0.039 4000 In stock
Natural
1/4
Nylon 6/6
0.242 in
0.500 in
0.139 in
$0.1417 - $0.1569 1000 In stock
Natural
1/2
Nylon 6/6
0.504 in
1.000 in
0.197 in
16SRRW006354150 $0.027 - $0.0299 1000 In stock
Natural
#6
Nylon 6/6
0.154 in
0.363 in
0.095 in
$0.029 - $0.0321 85000 In stock
Natural
#10
Nylon 6/6
  • of 6
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; 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 - 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 - 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
80000 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; 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 - 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
3000 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 - 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
Natural Nylon 6/6 Retaining Washer - Inside Diameter Range 2.6 - 4 mm | 0.102 - 0.156 in; Outside Diameter 25.4 mm | 1.000 in; Thickness 1.3 mm | 0.050 in; Compatible Screw Sizes #4

16FWRT004050

Price Range
$0.0293 - $0.0192

Stock Levels
98000 In stock
Attributes
  • Inside Diameter
    0.156 in
  • Outside Diameter
    0.250 in
  • Thickness
    0.050 in
  • Screw Size
    #4
  • Material
    Nylon 6/6
Natural Nylon 6/6 Retaining Washer - 9.5 mm | 0.375 in; 19.1 mm | 0.750 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes #7

16FWRT007062

Price Range
$0.044 - $0.0289

Stock Levels
452000 In stock
Attributes
  • Inside Diameter
    0.375 in
  • Outside Diameter
    0.750 in
  • Thickness
    0.062 in
  • Screw Size
    #7
  • Material
    Nylon 6/6
Natural Nylon 6/6 Retaining Washer - 7 mm | 0.277 in; 11.5 mm | 0.453 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes #10

16FWRT010032

Price Range
$0.0263 - $0.0173

Stock Levels
281000 In stock
Attributes
  • Inside Diameter
    0.277 in
  • Outside Diameter
    0.453 in
  • Thickness
    0.032 in
  • Screw Size
    #10
  • Material
    Nylon 6/6
Natural Nylon 6/6 Retaining Washer - 23.9 mm | 0.940 in; 34.1 mm | 1.344 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes 7/8 in

16FWRT875062

Price Range
$0.0954 - $0.0626

Stock Levels
7250 In stock
Attributes
  • Inside Diameter
    0.940 in
  • Outside Diameter
    1.344 in
  • Thickness
    0.062 in
  • Screw Size
    7/8
  • 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
$0.0287 - $0.026

Stock Levels
3000 In stock
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
$0.039 - $0.0352

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
$0.1569 - $0.1417

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 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
$0.0299 - $0.027

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
$0.0321 - $0.029

Stock Levels
85000 In stock
Attributes
  • Screw Size
    #10
  • Material
    Nylon 6/6
  • Full Material
    Polyamide 6.6
  • Color
    Natural