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Hex Head Cap Screws - Plastic

In stock

Plastic Hex Head Screws, also known as Plastic Cap Screws or Plastic Hex Bolt, are designed to mate with machine threads and help secure a component to an assembly.

Plastic Hex Head Cap Screws are ideal for use in difficult to reach or awkwardly located sockets, thanks to the slim design on the head, which is hexagonal in shape. Our Hex Head Cap Screws are available with or without a flange at the base of the screws head, as well as slotted and non slotted drive types.

These Hex Cap Screws come in a variety of standard imperial and metric sizes, and are an ideal alternative to all metal options. Offered in a choice of plastic material options, including; Nylon 6/6, Polycarbonate (PC) and Polyurethane (PU). These cap screws benefit from being lightweight, as well as having vibration, chemical, electrical and corrosion resistance.

  • Colors: Black, Clear (Transparent) and Natural

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1,528 results
Product SKUs information
Item Code Price range Availability Thread Size Overall Length Thread Length View
$1.6829 - $3.8315 6500 In stock
5/8-11
3.500 in
$0.229 - $0.2671 6000 In stock
5/16-24
1.000 in
$0.1872 - $0.2184 6000 In stock
3/8-16
0.500 in
$0.6505 - $0.8924 Request the lead time here
3/8-16
0.625 in
$0.2373 - $0.5403 Request the lead time here
5/16-24
0.500 in
$0.1793 - $0.2194 24000 In stock
3/8-16
1.000 in
$0.206 - $0.2402 1000 In stock
3/8-16
0.500 in
$0.1678 - $0.2302 1000 In stock
3/8-16
1.500 in
$0.8604 - $1.0038 Request the lead time here
3/8-16
0.750 in
$0.2621 - $0.5967 5250 In stock
3/8-16
2.000 in
$0.7282 - $0.999 1000 In stock
3/8-16
1.250 in
$0.2568 - $0.5845 2500 In stock
3/8-16
1.500 in
$0.7399 - $1.0149 Request the lead time here
3/8-16
1.625 in
$0.2072 - $0.2844 Request the lead time here
3/8-16
2.000 in
$1.0081 - $1.3829 Request the lead time here
3/8-16
3.500 in
$0.2216 - $0.3041 750 In stock
3/8-16
2.500 in
$1.1014 - $1.5108 Request the lead time here
3/8-16
4.250 in
$1.1325 - $1.5534 Request the lead time here
3/8-16
4.500 in
$0.9419 - $1.2921 Request the lead time here
3/8-16
3.250 in
$0.973 - $1.3347 Request the lead time here
3/8-16
3.500 in
  • of 77
Natural Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 5/8-11; Thread Length 88.9 mm | 3.500 in; Distance Across Flats 23.8 mm | 0.938 in; Head Height 11.3 mm | 0.444 in

0362511350

Price Range
$3.8315 - $1.6829

Stock Levels
6500 In stock
Attributes
  • Distance Across Flats
    0.938 in
  • Head Height
    0.444 in
  • Pitch/TPI
    11 TPI
  • Thread Length
    3.500 in
  • Thread Size
    5/8-11
Natural Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 5/16-24; Thread Length 25.4 mm | 1.000 in; Distance Across Flats 12.7 mm | 0.500 in; Head Height 6 mm | 0.235 in

0331224100

Price Range
$0.2671 - $0.229

Stock Levels
6000 In stock
Attributes
  • Distance Across Flats
    0.500 in
  • Head Height
    0.235 in
  • Pitch/TPI
    24 TPI
  • Thread Length
    1.000 in
  • Thread Size
    5/16-24
Natural Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 3/8-16; Thread Length 12.7 mm | 0.500 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516050

Price Range
$0.2184 - $0.1872

Stock Levels
6000 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    0.500 in
  • Thread Size
    3/8-16
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 3/8-16; Thread Length 15.9 mm | 0.625 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 9.9 mm | 0.390 in

0337516062FXM225

Price Range
$0.8924 - $0.6505

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.390 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    0.625 in
  • Thread Size
    3/8-16
Black Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 5/16-24; Thread Length 12.7 mm | 0.500 in; Distance Across Flats 12.7 mm | 0.500 in; Head Height 6 mm | 0.235 in

0331224050B

Price Range
$0.5403 - $0.2373

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.500 in
  • Head Height
    0.235 in
  • Pitch/TPI
    24 TPI
  • Thread Length
    0.500 in
  • Thread Size
    5/16-24
Natural Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 3/8-16; Thread Length 25.4 mm | 1.000 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516100

Price Range
$0.2194 - $0.1793

Stock Levels
24000 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    1.000 in
  • Thread Size
    3/8-16
Black Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 3/8-16; Thread Length 12.7 mm | 0.500 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516050B

Price Range
$0.2402 - $0.206

Stock Levels
1000 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    0.500 in
  • Thread Size
    3/8-16
Natural Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 3/8-16; Thread Length 38.1 mm | 1.500 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516150FT

Price Range
$0.2302 - $0.1678

Stock Levels
1000 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    1.500 in
  • Thread Size
    3/8-16
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 3/8-16; Thread Length 19.1 mm | 0.750 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516075XM225

Price Range
$1.0038 - $0.8604

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    0.750 in
  • Thread Size
    3/8-16
Natural Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 50.8 mm | 2.000 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516200

Price Range
$0.5967 - $0.2621

Stock Levels
5250 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    2.000 in
  • Thread Size
    3/8-16
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 3/8-16; Thread Length 31.8 mm | 1.250 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 9.9 mm | 0.390 in

0337516125FXM225

Price Range
$0.999 - $0.7282

Stock Levels
1000 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.390 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    1.250 in
  • Thread Size
    3/8-16
Black Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 3/8-16; Thread Length 38.1 mm | 1.500 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516150FTB

Price Range
$0.5845 - $0.2568

Stock Levels
2500 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    1.500 in
  • Thread Size
    3/8-16
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 31.8 mm | 1.250 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516162XM225

Price Range
$1.0149 - $0.7399

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    1.625 in
  • Thread Size
    3/8-16
Black Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 50.8 mm | 2.000 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516200B

Price Range
$0.2844 - $0.2072

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    2.000 in
  • Thread Size
    3/8-16
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 31.8 mm | 1.250 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 9.9 mm | 0.390 in

0337516350FXM225

Price Range
$1.3829 - $1.0081

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.390 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    3.500 in
  • Thread Size
    3/8-16
Black Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 63.5 mm | 2.500 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516250B

Price Range
$0.3041 - $0.2216

Stock Levels
750 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    2.500 in
  • Thread Size
    3/8-16
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 31.8 mm | 1.250 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 9.9 mm | 0.390 in

0337516425FXM225

Price Range
$1.5108 - $1.1014

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.390 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    4.250 in
  • Thread Size
    3/8-16
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 114.3 mm | 4.500 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 9.9 mm | 0.390 in

0337516450FXM225

Price Range
$1.5534 - $1.1325

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.390 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    4.500 in
  • Thread Size
    3/8-16
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 31.8 mm | 1.250 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516325XM225

Price Range
$1.2921 - $0.9419

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    3.250 in
  • Thread Size
    3/8-16
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 31.8 mm | 1.250 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516350XM225

Price Range
$1.3347 - $0.973

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    3.500 in
  • Thread Size
    3/8-16