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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
$0.0374 - $0.0435 Request the lead time here
#6-40
0.375 in
$1.2383 - $2.8195 Request the lead time here
5/16-18
3.500 in
$0.9542 - $1.3089 3750 In stock
5/16-18
4.500 in
$0.2373 - $0.5403 Request the lead time here
5/16-24
0.500 in
$0.2519 - $0.2939 Request the lead time here
5/16-24
1.000 in
$0.206 - $0.2402 1000 In stock
3/8-16
0.500 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
$0.6971 - $0.9563 Request the lead time here
3/8-16
1.000 in
$1.3015 - $2.9633 13500 In stock
3/8-16
7.000 in
$0.2798 - $0.6372 Request the lead time here
3/8-24
1.500 in
$0.2568 - $0.5845 2500 In stock
3/8-16
1.500 in
$1.0193 - $1.3982 Request the lead time here
1/2-13
0.750 in
$0.2072 - $0.2844 Request the lead time here
3/8-16
2.000 in
$1.0746 - $1.4741 500 In stock
1/2-13
1.000 in
$1.1298 - $1.5498 3750 In stock
1/2-13
1.250 in
$0.2361 - $0.3238 500 In stock
3/8-16
3.000 in
$1.2128 - $1.6636 Request the lead time here
1/2-13
1.625 in
$1.2395 - $2.8222 2500 In stock
5/16-18
5.000 in
$0.4478 - $1.0194 5000 In stock
1/2-13
2.000 in
  • of 77
Cap Screw - Natural; Nylon 6/6;

010640X037

Price Range
$0.0435 - $0.0374

Stock Levels
Request the lead time here
Attributes
  • Pitch/TPI
    40 TPI
  • Thread Length
    0.375 in
  • Thread Size
    #6-40
  • Color
    Natural
  • Material
    Nylon 6/6
Black Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 5/16-18; Thread Length 88.9 mm | 3.500 in; Distance Across Flats 12.7 mm | 0.500 in; Head Height 6 mm | 0.235 in

0331218350B

Price Range
$2.8195 - $1.2383

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
    3.500 in
  • Thread Size
    5/16-18
Black Nylon 6/6 External Hexagonal Unslotted Drive Part Threaded Screw Cap Screw - 5/16-18; Thread Length 114.3 mm | 4.500 in; Distance Across Flats 12.7 mm | 0.500 in; Head Height 6 mm | 0.235 in

0331218450B

Price Range
$1.3089 - $0.9542

Stock Levels
3750 In stock
Attributes
  • Distance Across Flats
    0.500 in
  • Head Height
    0.235 in
  • Pitch/TPI
    18 TPI
  • Thread Length
    4.500 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
$0.5403 - $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
Black 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

0331224100B

Price Range
$0.2939 - $0.2519

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
    1.000 in
  • Thread Size
    5/16-24
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 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 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
$0.9563 - $0.6971

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
    1.000 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
$2.9633 - $1.3015

Stock Levels
13500 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
$0.6372 - $0.2798

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
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 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
$1.3982 - $1.0193

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
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 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
$1.4741 - $1.0746

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
$1.5498 - $1.1298

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
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
$0.3238 - $0.2361

Stock Levels
500 In stock
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 40% Glass Filled PU External Hexagonal Unslotted Drive Fully Threaded Screw Cap Screw - 1/2-13; Thread Length 41.3 mm | 1.625 in; Distance Across Flats 19.1 mm | 0.750 in; Head Height 13 mm | 0.510 in

0350013162FXM225

Price Range
$1.6636 - $1.2128

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
    1.625 in
  • Thread Size
    1/2-13
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
$2.8222 - $1.2395

Stock Levels
2500 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 Nylon 6/6 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

0350013200

Price Range
$1.0194 - $0.4478

Stock Levels
5000 In stock
Attributes
  • Distance Across Flats
    0.750 in
  • Head Height
    0.364 in
  • Pitch/TPI
    13 TPI
  • Thread Length
    2.000 in
  • Thread Size
    1/2-13