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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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98 results
Product SKUs information
Item Code Price range Availability Inside Diameter Outside Diameter Thickness View
$0.1124 - $0.1247 Request the lead time here
0.209 in
0.453 in
0.055 in
RWM200A $0.1102 - $0.1224 20000 In stock
0.169 in
0.276 in
0.091 in
RWM400A $0.1151 - $0.1279 287000 In stock
0.252 in
0.709 in
0.079 in
RWM100A $0.0936 - $0.1039 30000 In stock
0.126 in
0.354 in
0.059 in
RWM450A $0.1162 - $0.1292 1467000 In stock
0.252 in
0.394 in
0.11 in
RWM350A $0.1132 - $0.1256 6000 In stock
0.209 in
0.335 in
0.11 in
RWM250A $0.1107 - $0.123 8000 In stock
0.169 in
0.472 in
0.055 in
RWM500A $0.1437 - $0.1597 Request the lead time here
0.331 in
0.512 in
0.11 in
RWM050A $0.103 - $0.1143 96000 In stock
0.106 in
0.197 in
0.059 in
RWM150A $0.1037 - $0.1152 Request the lead time here
0.126 in
0.217 in
0.087 in
RWM550A $0.1634 - $0.1829 Request the lead time here
0.413 in
0.827 in
0.098 in
16FWRT006032 $0.0124 - $0.0189 146000 In stock
0.327 in
0.031 in
16FWRT002062 $0.0138 - $0.0211 225000 In stock
0.201 in
0.059 in
16FWRT008045 $0.0261 - $0.0397 96000 In stock
0.453 in
0.043 in
16FWRT437062 $0.0356 - $0.0543 14500 In stock
1.028 in
0.059 in
16FWRT004032 $0.0103 - $0.0157 163000 In stock
0.264 in
0.031 in
16FWRT008032 $0.0173 - $0.0263 634000 In stock
0.39 in
0.031 in
16FWRT312062 $0.0276 - $0.0421 23000 In stock
0.732 in
0.059 in
16FWRT375032 $0.0222 - $0.0338 121000 In stock
0.89 in
0.031 in
16FWRT004062 $0.0138 - $0.0211 9000 In stock
0.264 in
0.059 in
  • of 5
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
  • Compatible Screw Sizes (All)
    M5
  • Outside Diameter
    0.453 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
20000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Compatible Screw Sizes (All)
    M4
  • Outside Diameter
    0.276 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
287000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Compatible Screw Sizes (All)
    M6
  • Outside Diameter
    0.709 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
30000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Compatible Screw Sizes (All)
    M3
  • Outside Diameter
    0.354 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
1467000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Compatible Screw Sizes (All)
    M6
  • Outside Diameter
    0.394 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
6000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Compatible Screw Sizes (All)
    M5
  • Outside Diameter
    0.335 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
8000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Compatible Screw Sizes (All)
    M4
  • Outside Diameter
    0.472 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
  • Compatible Screw Sizes (All)
    M8
  • Outside Diameter
    0.512 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
96000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Nylon 6/6
  • Color
    Natural
  • Compatible Screw Sizes (All)
    M2
  • Outside Diameter
    0.197 in
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
  • Compatible Screw Sizes (All)
    M3
  • Outside Diameter
    0.217 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
  • Compatible Screw Sizes (All)
    M10
  • Outside Diameter
    0.827 in
Natural PA Anti-Loss Washer Retaining Washer - 5 mm | 0.198 in; 8.3 mm | 0.328 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes #6

16FWRT006032

Price Range
$0.0189 - $0.0124

Stock Levels
146000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.327 in
  • Thickness
    0.031 in
Retaining Washer 0.115 in 0.203 in 0.062 in PA Natural

16FWRT002062

Price Range
$0.0211 - $0.0138

Stock Levels
225000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.201 in
  • Thickness
    0.059 in
Natural PA Anti-Loss Washer Retaining Washer - 5.5 mm | 0.218 in; 11.5 mm | 0.453 in; Thickness 1.1 mm | 0.045 in; Compatible Screw Sizes #8

16FWRT008045

Price Range
$0.0397 - $0.0261

Stock Levels
96000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.453 in
  • Thickness
    0.043 in
Natural PA Anti-Loss Washer Retaining Washer - 14.5 mm | 0.570 in; 26.2 mm | 1.031 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes 7/16

16FWRT437062

Price Range
$0.0543 - $0.0356

Stock Levels
14500 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    1.028 in
  • Thickness
    0.059 in
Natural PA Anti-Loss Washer Retaining Washer - 4 mm | 0.156 in; 6.8 mm | 0.266 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes #4

16FWRT004032

Price Range
$0.0157 - $0.0103

Stock Levels
163000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.264 in
  • Thickness
    0.031 in
Natural PA Anti-Loss Washer Retaining Washer - 6 mm | 0.235 in; 9.9 mm | 0.391 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes #8

16FWRT008032

Price Range
$0.0263 - $0.0173

Stock Levels
634000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.39 in
  • Thickness
    0.031 in
Natural PA Anti-Loss Washer Retaining Washer - 11.9 mm | 0.470 in; 18.6 mm | 0.734 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes 5/16

16FWRT312062

Price Range
$0.0421 - $0.0276

Stock Levels
23000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.732 in
  • Thickness
    0.059 in
Natural PA Anti-Loss Washer Retaining Washer - 14.3 mm | 0.564 in; 22.6 mm | 0.891 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes 3/8

16FWRT375032

Price Range
$0.0338 - $0.0222

Stock Levels
121000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.89 in
  • Thickness
    0.031 in
Natural PA Anti-Loss Washer Retaining Washer - 4 mm | 0.156 in; 6.8 mm | 0.266 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes #4

16FWRT004062

Price Range
$0.0211 - $0.0138

Stock Levels
9000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.264 in
  • Thickness
    0.059 in