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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
$0.3158 - $0.4333 2500 In stock
1/2-13
0.500 in
$1.0434 - $1.4313 Request the lead time here
3/8-16
3.500 in
$1.2007 - $2.7338 Request the lead time here
3/8-16
4.000 in
$1.1399 - $1.5637 Request the lead time here
3/8-16
4.250 in
$1.1721 - $1.6078 Request the lead time here
3/8-16
4.500 in
$1.3147 - $2.993 Request the lead time here
3/8-16
5.500 in
$1.3471 - $3.067 13250 In stock
3/8-16
7.000 in
$0.2896 - $0.6595 Request the lead time here
3/8-24
1.500 in
$1.3245 - $1.8169 Request the lead time here
1/2-13
2.625 in
$1.4861 - $3.3841 Request the lead time here
5/16-18
6.000 in
$1.4675 - $2.0131 Request the lead time here
1/2-13
3.250 in
$1.5461 - $3.5202 Request the lead time here
1/2-13
3.500 in
$1.582 - $2.1701 Request the lead time here
1/2-13
3.750 in
$1.6392 - $2.2485 Request the lead time here
1/2-13
4.000 in
$0.4185 - $0.9526 Request the lead time here
1/2-13
0.875 in
$0.2326 - $0.5294 Request the lead time here
3/8-16
1.250 in
$0.1911 - $0.2622 1500 In stock
3/8-16
1.500 in
$0.7495 - $1.0283 500 In stock
3/8-16
1.500 in
$0.7818 - $1.0724 Request the lead time here
3/8-16
1.750 in
$0.408 - $0.5596 3250 In stock
5/8-11
1.000 in
  • of 77
Black Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 1/2-13; Thread Length 12.7 mm | 0.500 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 9.2 mm | 0.364 in

0350013050B

Price Range
$0.4333 - $0.3158

Stock Levels
2500 In stock
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.364 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    0.500 in
  • Thread Size
    1/2-13
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
$1.4313 - $1.0434

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
Natural Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 101.6 mm | 4.000 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516400

Price Range
$2.7338 - $1.2007

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
    4.000 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

0337516425FXM225

Price Range
$1.5637 - $1.1399

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
$1.6078 - $1.1721

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 Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 139.7 mm | 5.500 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516550

Price Range
$2.993 - $1.3147

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
    5.500 in
  • Thread Size
    3/8-16
Natural Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 177.8 mm | 7.000 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516700

Price Range
$3.067 - $1.3471

Stock Levels
13250 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    7.000 in
  • Thread Size
    3/8-16
Natural Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-24; 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

0337524150

Price Range
$0.6595 - $0.2896

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.268 in
  • Pitch/TPI
    24 TPI
  • Thread Length
    1.500 in
  • Thread Size
    3/8-24
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 1/2-13; Thread Length 50.8 mm | 2.000 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 9.2 mm | 0.364 in

0350013262XM225

Price Range
$1.8169 - $1.3245

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.364 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    2.625 in
  • Thread Size
    1/2-13
Black Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 5/16-18; Thread Length 152.4 mm | 6.000 in; Distance Across Flats 12.7 mm | 0.500 in; Head Height 6 mm | 0.235 in

0331218600B

Price Range
$3.3841 - $1.4861

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.500 in
  • Head Height
    0.235 in
  • Pitch/TPI
    18 TPI
  • Thread Length
    6.000 in
  • Thread Size
    5/16-18
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 1/2-13; Thread Length 50.8 mm | 2.000 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 9.2 mm | 0.364 in

0350013325XM225

Price Range
$2.0131 - $1.4675

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.364 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    3.250 in
  • Thread Size
    1/2-13
Black Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 1/2-13; Thread Length 88.9 mm | 3.500 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 9.2 mm | 0.364 in

0350013350B

Price Range
$3.5202 - $1.5461

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.364 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    3.500 in
  • Thread Size
    1/2-13
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 1/2-13; Thread Length 50.8 mm | 2.000 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 9.2 mm | 0.364 in

0350013375XM225

Price Range
$2.1701 - $1.582

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.364 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    3.750 in
  • Thread Size
    1/2-13
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 1/2-13; Thread Length 50.8 mm | 2.000 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 9.2 mm | 0.364 in

0350013400XM225

Price Range
$2.2485 - $1.6392

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.364 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    4.000 in
  • Thread Size
    1/2-13
Natural Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 1/2-13; Thread Length 22.2 mm | 0.875 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 9.2 mm | 0.364 in

0350013087

Price Range
$0.9526 - $0.4185

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.364 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    0.875 in
  • Thread Size
    1/2-13
Natural Nylon 6/6 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

0337516125

Price Range
$0.5294 - $0.2326

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
    1.250 in
  • Thread Size
    3/8-16
Black Nylon 6/6 External Hexagonal Unslotted Drive Part 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

0337516150B

Price Range
$0.2622 - $0.1911

Stock Levels
1500 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

0337516150XM225

Price Range
$1.0283 - $0.7495

Stock Levels
500 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

0337516175XM225

Price Range
$1.0724 - $0.7818

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
    1.750 in
  • Thread Size
    3/8-16
Black Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 5/8-11; Thread Length 25.4 mm | 1.000 in; Distance Across Flats 23.8 mm | 0.938 in; Head Height 11.3 mm | 0.444 in

0362511100B

Price Range
$0.5596 - $0.408

Stock Levels
3250 In stock
Attributes
  • Distance Across Flats
    0.938 in
  • Head Height
    0.444 in
  • Pitch/TPI
    11 TPI
  • Thread Length
    1.000 in
  • Thread Size
    5/8-11