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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 Inside Diameter Outside Diameter Thickness View
RWM150A $0.1037 - $0.1152 Request the lead time here
0.217 in
0.087 in
RWM550A $0.1634 - $0.1829 Request the lead time here
0.827 in
0.098 in
RWM100A $0.0936 - $0.1039 29000 In stock
0.354 in
0.059 in
$0.1124 - $0.1247 Request the lead time here
0.453 in
0.055 in
RWM200A $0.1102 - $0.1224 16000 In stock
0.276 in
0.091 in
RWM500A $0.1437 - $0.1597 Request the lead time here
0.512 in
0.11 in
RWM400A $0.1151 - $0.1279 261300 In stock
0.709 in
0.079 in
RWM050A $0.103 - $0.1143 78000 In stock
0.197 in
0.059 in
RWM250A $0.1107 - $0.123 10000 In stock
0.472 in
0.055 in
RWM450A $0.1162 - $0.1292 1468000 In stock
0.394 in
0.11 in
RWM350A $0.1132 - $0.1256 Request the lead time here
0.335 in
0.11 in
$0.0228 - $0.0348 Request the lead time here
0.734 in
$0.0304 - $0.0463 Request the lead time here
0.470 in
0.734 in
0.062 in
$0.0191 - $0.0291 Request the lead time here
0.328 in
0.032 in
16FWRT007062A $0.0808 - $0.1232 16000 In stock
1.000 in
0.062 in
16FWRT010055 $0.0354 - $0.047 5000 In stock
0.400 in
0.055 in
$0.1647 - $0.251 9000 In stock
1.500 in
0.062 in
$0.0113 - $0.0173 16000 In stock
0.156 in
0.266 in
0.032 in
$0.0267 - $0.0406 1000 In stock
0.453 in
$0.2183 - $0.3329 Request the lead time here
1.385 in
0.062 in
  • of 6
Natural Nylon Anti-Loss Washer Retaining Washer - 3.2 mm | 0.126 in; 5.5 mm | 0.217 in; Thickness 2.2 mm | 0.087 in; Compatible Screw Sizes M3

RWM150A

Price Range
$0.1152 - $0.1037

Stock Levels
Request the lead time here
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.217 in
  • Thickness
    0.087 in
Natural Nylon Anti-Loss Washer Retaining Washer - 10.5 mm | 0.413 in; 21.0 mm | 0.827 in; Thickness 2.5 mm | 0.098 in; Compatible Screw Sizes M10

RWM550A

Price Range
$0.1829 - $0.1634

Stock Levels
Request the lead time here
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.827 in
  • Thickness
    0.098 in
Natural Nylon Anti-Loss Washer Retaining Washer - 3.2 mm | 0.126 in; 9.0 mm | 0.354 in; Thickness 1.5 mm | 0.059 in; Compatible Screw Sizes M3

RWM100A

Price Range
$0.1039 - $0.0936

Stock Levels
29000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.354 in
  • Thickness
    0.059 in
Natural Nylon Anti-Loss Washer Retaining Washer - 5.3 mm | 0.209 in; 11.5 mm | 0.453 in; Thickness 1.4 mm | 0.055 in; Compatible Screw Sizes M5

RWM300A

Price Range
$0.1247 - $0.1124

Stock Levels
Request the lead time here
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.453 in
  • Thickness
    0.055 in
Natural Nylon Anti-Loss Washer Retaining Washer - 4.3 mm | 0.169 in; 7.0 mm | 0.276 in; Thickness 2.3 mm | 0.091 in; Compatible Screw Sizes M4

RWM200A

Price Range
$0.1224 - $0.1102

Stock Levels
16000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.276 in
  • Thickness
    0.091 in
Natural Nylon Anti-Loss Washer Retaining Washer - 8.4 mm | 0.331 in; 13.0 mm | 0.512 in; Thickness 2.8 mm | 0.11 in; Compatible Screw Sizes M8

RWM500A

Price Range
$0.1597 - $0.1437

Stock Levels
Request the lead time here
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.512 in
  • Thickness
    0.11 in
Natural Nylon Anti-Loss Washer Retaining Washer - 6.4 mm | 0.252 in; 18.0 mm | 0.709 in; Thickness 2.0 mm | 0.079 in; Compatible Screw Sizes M6

RWM400A

Price Range
$0.1279 - $0.1151

Stock Levels
261300 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.709 in
  • Thickness
    0.079 in
Natural Nylon Anti-Loss Washer Retaining Washer - 2.7 mm | 0.106 in; 5.0 mm | 0.197 in; Thickness 1.5 mm | 0.059 in; Compatible Screw Sizes M2

RWM050A

Price Range
$0.1143 - $0.103

Stock Levels
78000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.197 in
  • Thickness
    0.059 in
Natural Nylon Anti-Loss Washer Retaining Washer - 4.3 mm | 0.169 in; 12.0 mm | 0.472 in; Thickness 1.4 mm | 0.055 in; Compatible Screw Sizes M4

RWM250A

Price Range
$0.123 - $0.1107

Stock Levels
10000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.472 in
  • Thickness
    0.055 in
Natural Nylon Anti-Loss Washer Retaining Washer - 6.4 mm | 0.252 in; 10.0 mm | 0.394 in; Thickness 2.8 mm | 0.11 in; Compatible Screw Sizes M6

RWM450A

Price Range
$0.1292 - $0.1162

Stock Levels
1468000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.394 in
  • Thickness
    0.11 in
Natural Nylon Anti-Loss Washer Retaining Washer - 5.3 mm | 0.209 in; 8.5 mm | 0.335 in; Thickness 2.8 mm | 0.11 in; Compatible Screw Sizes M5

RWM350A

Price Range
$0.1256 - $0.1132

Stock Levels
Request the lead time here
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Outside Diameter
    0.335 in
  • Thickness
    0.11 in
Black Nylon 6/6 Anti-Loss Washer Washer - 11.9 mm | 0.470 in; 18.6 mm | 0.734 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes 5/16

16FWRT312032B

Price Range
$0.0348 - $0.0228

Stock Levels
Request the lead time here
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Black
  • Outside Diameter
    0.734 in
Washer - ; ; Black

16FWRT312062B

Price Range
$0.0463 - $0.0304

Stock Levels
Request the lead time here
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Black
  • Outside Diameter
    0.734 in
  • Inside Diameter
    0.470 in
Natural Nylon 6/6 Anti-Loss Washer Retaining Washer - 6 mm | 0.235 in; 8.3 mm | 0.328 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes #8

16FWRT008032C

Price Range
$0.0291 - $0.0191

Stock Levels
Request the lead time here
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.328 in
  • Thickness
    0.032 in
Natural Nylon 6/6 Anti-Loss Washer Retaining Washer - 9.5 mm | 0.375 in; 25.4 mm | 1.000 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes #7

16FWRT007062A

Price Range
$0.1232 - $0.0808

Stock Levels
16000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    1.000 in
  • Thickness
    0.062 in
Natural Nylon 6/6 Anti-Loss Washer Retaining Washer - 7 mm | 0.277 in; 10.2 mm | 0.400 in; Thickness 1.4 mm | 0.055 in; Compatible Screw Sizes #10

16FWRT010055

Price Range
$0.047 - $0.0354

Stock Levels
5000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.400 in
  • Thickness
    0.055 in
Natural Nylon 6/6 Anti-Loss Washer Retaining Washer - 11.4 mm | 0.450 in; 38.1 mm | 1.500 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes 1/4

16FWRT250062A

Price Range
$0.251 - $0.1647

Stock Levels
9000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    1.500 in
  • Thickness
    0.062 in
Black Nylon 6/6 Washer - Inside Diameter 4 mm | 0.156 in; Outside Diameter - 6.8 mm | 0.266 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes #4; UL

16FWRT004032B

Price Range
$0.0173 - $0.0113

Stock Levels
16000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Black
  • Compatible Screw Sizes (All)
    #4
  • Outside Diameter
    0.266 in
Black Nylon 6/6 Anti-Loss Washer Washer - 7 mm | 0.277 in; 11.5 mm | 0.453 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes #10

16FWRT010062B

Price Range
$0.0406 - $0.0267

Stock Levels
1000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Black
  • Outside Diameter
    0.453 in
Retaining Washer 27.1 mm 1.385 in 0.062 in Nylon 6/6 Black

16FWRT999062B

Price Range
$0.3329 - $0.2183

Stock Levels
Request the lead time here
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Black
  • Outside Diameter
    1.385 in
  • Thickness
    0.062 in