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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
16FWRT250032A $0.0207 - $0.0316 49000 In stock
0.500 in
0.032 in
$0.0412 - $0.0627 1013000 In stock
0.734 in
0.062 in
16FWRT010062A $0.0273 - $0.0416 30000 In stock
0.500 in
0.062 in
$0.21 - $0.32 Request the lead time here
1.260 in
0.062 in
RWM050A $0.103 - $0.1143 85000 In stock
0.197 in
0.059 in
RWM150A $0.1037 - $0.1152 Request the lead time here
0.217 in
0.087 in
RWM350A $0.1132 - $0.1256 6000 In stock
0.335 in
0.11 in
RWM550A $0.1634 - $0.1829 Request the lead time here
0.827 in
0.098 in
RWM200A $0.1102 - $0.1224 8000 In stock
0.276 in
0.091 in
RWM400A $0.1151 - $0.1279 262300 In stock
0.709 in
0.079 in
RWM250A $0.1107 - $0.123 5000 In stock
0.472 in
0.055 in
RWM450A $0.1162 - $0.1292 1468000 In stock
0.394 in
0.11 in
RWM100A $0.0936 - $0.1039 30000 In stock
0.354 in
0.059 in
$0.1124 - $0.1247 Request the lead time here
0.453 in
0.055 in
RWM500A $0.1437 - $0.1597 Request the lead time here
0.512 in
0.11 in
$0.0207 - $0.0316 31000 In stock
0.734 in
0.032 in
$0.0297 - $0.0453 13000 In stock
1.031 in
0.032 in
16FWRT250032 $0.0207 - $0.0316 83000 In stock
0.594 in
0.032 in
16FWRT375032 $0.0222 - $0.0338 167000 In stock
0.891 in
0.032 in
16FWRT004050 $0.0192 - $0.0293 98000 In stock
0.250 in
0.050 in
  • of 6
Natural Nylon 6/6 Anti-Loss Washer Retaining Washer - 8.7 mm | 0.344 in; 12.7 mm | 0.500 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes 1/4

16FWRT250032A

Price Range
$0.0316 - $0.0207

Stock Levels
49000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.500 in
  • Thickness
    0.032 in
Natural Nylon 6/6 Anti-Loss Washer Retaining Washer - 9.5 mm | 0.375 in; 18.6 mm | 0.734 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes 1/4

16FWRT250062E

Price Range
$0.0627 - $0.0412

Stock Levels
1013000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.734 in
  • Thickness
    0.062 in
Natural Nylon 6/6 Anti-Loss Washer Retaining Washer - 7 mm | 0.277 in; 12.7 mm | 0.500 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes #10

16FWRT010062A

Price Range
$0.0416 - $0.0273

Stock Levels
30000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.500 in
  • Thickness
    0.062 in
Natural Nylon 6/6 Anti-Loss Washer Retaining Washer - 14.3 mm | 0.563 in; 32 mm | 1.260 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes 3/8

16FWRT375062A

Price Range
$0.32 - $0.21

Stock Levels
Request the lead time here
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    1.260 in
  • Thickness
    0.062 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
85000 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 - 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 - 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
  • Outside Diameter
    0.335 in
  • Thickness
    0.11 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 - 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
8000 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 - 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
262300 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 - 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
5000 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 - 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
  • 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 - 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 6/6 Anti-Loss Washer Retaining 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

16FWRT312032

Price Range
$0.0316 - $0.0207

Stock Levels
31000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.734 in
  • Thickness
    0.032 in
Natural Nylon 6/6 Anti-Loss Washer Retaining Washer - 14.5 mm | 0.570 in; 26.2 mm | 1.031 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes 7/16

16FWRT437032

Price Range
$0.0453 - $0.0297

Stock Levels
13000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    1.031 in
  • Thickness
    0.032 in
Natural Nylon 6/6 Anti-Loss Washer Retaining Washer - 9.5 mm | 0.375 in; 15.1 mm | 0.594 in; Thickness 0.8 mm | 0.032 in; Compatible Screw Sizes 1/4

16FWRT250032

Price Range
$0.0316 - $0.0207

Stock Levels
83000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.594 in
  • Thickness
    0.032 in
Natural Nylon 6/6 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
167000 In stock
Attributes
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.891 in
  • Thickness
    0.032 in
Natural Nylon 6/6 Anti-Loss Washer 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
  • Washer Type
    Anti-Loss Washer
  • Full Material
    Polyamide 6.6
  • Color
    Natural
  • Outside Diameter
    0.250 in
  • Thickness
    0.050 in