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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
$1.4518 - $3.3055 Request the lead time here
5/16-18
5.500 in
$0.2456 - $0.5592 Request the lead time here
5/16-24
0.500 in
$0.94 - $1.0444 6000 In stock
3/8-16
0.750 in
$0.1856 - $0.2271 19000 In stock
3/8-16
1.000 in
$1.1995 - $2.7313 2750 In stock
5/16-18
4.000 in
$1.2829 - $2.921 750 In stock
5/16-18
5.000 in
$0.7215 - $0.9898 2000 In stock
3/8-16
1.000 in
$0.2373 - $0.5403 41250 In stock
5/16-24
0.750 in
$0.7658 - $1.0504 Request the lead time here
3/8-16
1.625 in
$0.2023 - $0.2361 8000 In stock
3/8-16
0.750 in
$0.814 - $1.1167 Request the lead time here
3/8-16
2.000 in
$0.6853 - $0.94 Request the lead time here
3/8-16
1.000 in
$0.2444 - $0.3351 Request the lead time here
3/8-16
3.000 in
$0.2896 - $0.6595 Request the lead time here
3/8-24
1.500 in
$0.3993 - $0.9091 3000 In stock
1/2-13
0.500 in
$1.055 - $1.4471 Request the lead time here
1/2-13
0.750 in
$1.0835 - $1.4864 Request the lead time here
1/2-13
0.875 in
$1.1122 - $1.5257 500 In stock
1/2-13
1.000 in
$1.1693 - $1.604 3750 In stock
1/2-13
1.250 in
$0.4363 - $0.9932 2500 In stock
1/2-13
1.500 in
  • of 77
Black Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 5/16-18; Thread Length 139.7 mm | 5.500 in; Distance Across Flats 12.7 mm | 0.500 in; Head Height 6 mm | 0.235 in

0331218550B

Price Range
$3.3055 - $1.4518

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
    5.500 in
  • Thread Size
    5/16-18
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
$0.5592 - $0.2456

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 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 9.9 mm | 0.390 in

0337516075FXM225

Price Range
$1.0444 - $0.94

Stock Levels
6000 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.390 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    0.750 in
  • Thread Size
    3/8-16
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
$0.2271 - $0.1856

Stock Levels
19000 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
Natural Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 5/16-18; Thread Length 101.6 mm | 4.000 in; Distance Across Flats 12.7 mm | 0.500 in; Head Height 6 mm | 0.235 in

0331218400

Price Range
$2.7313 - $1.1995

Stock Levels
2750 In stock
Attributes
  • Distance Across Flats
    0.500 in
  • Head Height
    0.235 in
  • Pitch/TPI
    18 TPI
  • Thread Length
    4.000 in
  • Thread Size
    5/16-18
Natural Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 5/16-18; Thread Length 127 mm | 5.000 in; Distance Across Flats 12.7 mm | 0.500 in; Head Height 6 mm | 0.235 in

0331218500

Price Range
$2.921 - $1.2829

Stock Levels
750 In stock
Attributes
  • Distance Across Flats
    0.500 in
  • Head Height
    0.235 in
  • Pitch/TPI
    18 TPI
  • Thread Length
    5.000 in
  • Thread Size
    5/16-18
Natural 40% Glass Filled PU 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 9.9 mm | 0.390 in

0337516100FXM225

Price Range
$0.9898 - $0.7215

Stock Levels
2000 In stock
Attributes
  • Distance Across Flats
    0.562 in
  • Head Height
    0.390 in
  • Pitch/TPI
    16 TPI
  • Thread Length
    1.000 in
  • Thread Size
    3/8-16
Natural Nylon 6/6 External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 5/16-24; Thread Length 19.1 mm | 0.750 in; Distance Across Flats 12.7 mm | 0.500 in; Head Height 6 mm | 0.235 in

0331224075

Price Range
$0.5403 - $0.2373

Stock Levels
41250 In stock
Attributes
  • Distance Across Flats
    0.500 in
  • Head Height
    0.235 in
  • Pitch/TPI
    24 TPI
  • Thread Length
    0.750 in
  • Thread Size
    5/16-24
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
$1.0504 - $0.7658

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
Natural Nylon 6/6 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

0337516075

Price Range
$0.2361 - $0.2023

Stock Levels
8000 In stock
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 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

0337516200XM225

Price Range
$1.1167 - $0.814

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 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

0337516100XM225

Price Range
$0.94 - $0.6853

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
    1.000 in
  • Thread Size
    3/8-16
Black Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 3/8-16; Thread Length 76.2 mm | 3.000 in; Distance Across Flats 14.3 mm | 0.562 in; Head Height 6.8 mm | 0.268 in

0337516300B

Price Range
$0.3351 - $0.2444

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
    3.000 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 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

0350013050

Price Range
$0.9091 - $0.3993

Stock Levels
3000 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 Fully Threaded Screw Cap Screw - 1/2-13; Thread Length 19.1 mm | 0.750 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 13 mm | 0.510 in

0350013075FXM225

Price Range
$1.4471 - $1.055

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.510 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    0.750 in
  • Thread Size
    1/2-13
Natural 40% Glass Filled PU 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 13 mm | 0.510 in

0350013087FXM225

Price Range
$1.4864 - $1.0835

Stock Levels
Request the lead time here
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.510 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    0.875 in
  • Thread Size
    1/2-13
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 1/2-13; Thread Length 25.4 mm | 1.000 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 13 mm | 0.510 in

0350013100FXM225

Price Range
$1.5257 - $1.1122

Stock Levels
500 In stock
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.510 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    1.000 in
  • Thread Size
    1/2-13
Natural 40% Glass Filled PU External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 1/2-13; Thread Length 31.8 mm | 1.250 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 13 mm | 0.510 in

0350013125FXM225

Price Range
$1.604 - $1.1693

Stock Levels
3750 In stock
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.510 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    1.250 in
  • Thread Size
    1/2-13
Natural Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 1/2-13; Thread Length 38.1 mm | 1.500 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 9.2 mm | 0.364 in

0350013150

Price Range
$0.9932 - $0.4363

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