Menu Search

Threaded O-ring Plugs - UNF Threads

In stock

Threaded O-ring Plugs for UNF Threads include a compressed flange lip and an O-ring (optional) to provide a watertight seal and superior leakage prevention for hydraulic threads. The threaded O-ring keeps contaminants like dirt, dust, debris, and moisture out of the hole.

It may be installed using a hex wrench, screwdriver, or hand. Often used on flat-faced hydraulic fittings, it is recommended when strength and resistance are desired as it can withstand temperatures that range from -40F to 230F | -40C to 110C. Used in oil and gas, plumbing, and automotive sectors where leak-proof seals are crucial to system integrity.

  • Material: PP, HDPE, PA6.6 GF33, LDPE
  • Colour: Yellow, Black, Red

Request a quote

For large volumes and customised products, add to your cart and click request a quote, orcontact usand we will respond within 2 working days.

Filter or Search Variants

Use the filters or search below to find what you're looking for

Imperial
Metric
Hide Show Filters
35 results
Product SKUs information
Item Code Price range Availability Overall Diameter Colour Threaded Length Material Compatible Thread Sizes (All) View
$0.6176 - $1.1378 68 In stock
50.0 mm
Yellow
HDPE
1-5/8 in x 12
$0.3209 - $0.8024 60 In stock
35.0 mm
Yellow
HDPE
11⁄16 in x 12
$0.3256 - $0.5998 Request the lead time here
28.0 mm
Yellow
HDPE
7/8 x 14
$1.0258 - $1.1366 600 In stock
39.6 mm
Red
HDPE
$0.6035 - $0.6688 Request the lead time here
28.2 mm
Red
HDPE
$1.834 - $3.3785 Request the lead time here
12.7 mm
Yellow
PA6.6 GF33
$0.5031 - $0.5575 411 In stock
19.8 mm
Red
HDPE
Request the lead time here
33.8 mm
Red
LDPE
$12.5855 - $23.1839 Request the lead time here
12.7 mm
Yellow
PA6.6 GF33
$0.5314 - $0.5889 7300 In stock
24.9 mm
Red
HDPE
$1.3257 - $1.4687 77 In stock
41.4 mm
Red
LDPE
$0.2392 - $0.4407 365 In stock
21.0 mm
Yellow
HDPE
9⁄16 in x 18
$0.1885 - $0.3475 10 In stock
19.0 mm
Yellow
HDPE
1/2 in x 20
$0.3006 - $0.5538 3 In stock
27.0 mm
Yellow
HDPE
3/4 in x 16
$0.1404 - $0.2588 11 In stock
14.0 mm
Yellow
HDPE
3/8 in x 24
$0.2038 - $0.5096 11 In stock
22.0 mm
Yellow
HDPE
5/8 in x 18
$0.7419 - $1.3666 50 In stock
55.0 mm
Yellow
HDPE
1-7/8 in x 12
$0.3742 - $0.6892 Request the lead time here
38.0 mm
Yellow
HDPE
13⁄16 in x 12
$0.1739 - $0.3204 1369 In stock
16.0 mm
Yellow
HDPE
7⁄16 in x 20
$0.2533 - $0.6334 989 In stock
31.0 mm
Yellow
HDPE
1 in x 14
  • of 2
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1-5/8 in x 12 ; Threaded

498679

Price Range
$1.1378 - $0.6176

Stock Levels
68 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    1-5/8 in x 12
  • Overall Diameter
    50.0 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 11⁄16 in x 12 ; Threaded

498554

Price Range
$0.8024 - $0.3209

Stock Levels
60 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    11⁄16 in x 12
  • Overall Diameter
    35.0 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 7/8 x 14 ; Threaded

498677

Price Range
$0.5998 - $0.3256

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    7/8 x 14
  • Overall Diameter
    28.0 mm
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 1-5/16-12 ; Threaded

PDO116

Price Range
$1.1366 - $1.0258

Stock Levels
600 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Overall Diameter
    39.6 mm
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 7/8 - 14 ; Threaded

PDO110

Price Range
$0.6688 - $0.6035

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Overall Diameter
    28.2 mm
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 9/16-18 UNF 2A ; Threaded

TPWO-1

Price Range
$3.3785 - $1.834

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    33% Glass Filled Polyamide 6.6
  • Overall Diameter
    12.7 mm
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 9/16-18 ; Threaded

PDO106

Price Range
$0.5575 - $0.5031

Stock Levels
411 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Overall Diameter
    19.8 mm
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1-3/16-12 ; Threaded

PDF120


Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    Low Density Polyethylene
  • Overall Diameter
    33.8 mm
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 3/4-16 UNF 2A ; Threaded

TPWO-2

Price Range
$23.1839 - $12.5855

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    33% Glass Filled Polyamide 6.6
  • Overall Diameter
    12.7 mm
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 3/4 - 16 ; Threaded

PDO108

Price Range
$0.5889 - $0.5314

Stock Levels
7300 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Overall Diameter
    24.9 mm
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1-7/16-12 ; Threaded

PDF160

Price Range
$1.4687 - $1.3257

Stock Levels
77 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    Low Density Polyethylene
  • Overall Diameter
    41.4 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 9⁄16 in x 18 ; Threaded

498675

Price Range
$0.4407 - $0.2392

Stock Levels
365 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    9⁄16 in x 18
  • Overall Diameter
    21.0 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1/2 in x 20 ; Threaded

498674

Price Range
$0.3475 - $0.1885

Stock Levels
10 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    1/2 in x 20
  • Overall Diameter
    19.0 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 3/4 in x 16 ; Threaded

498676

Price Range
$0.5538 - $0.3006

Stock Levels
3 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    3/4 in x 16
  • Overall Diameter
    27.0 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 3/8 in x 24 ; Threaded

498672

Price Range
$0.2588 - $0.1404

Stock Levels
11 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    3/8 in x 24
  • Overall Diameter
    14.0 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 5/8 in x 18 ; Threaded

498552

Price Range
$0.5096 - $0.2038

Stock Levels
11 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    5/8 in x 18
  • Overall Diameter
    22.0 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1-7/8 in x 12 ; Threaded

498680

Price Range
$1.3666 - $0.7419

Stock Levels
50 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    1-7/8 in x 12
  • Overall Diameter
    55.0 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 13⁄16 in x 12 ; Threaded

498678

Price Range
$0.6892 - $0.3742

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    13⁄16 in x 12
  • Overall Diameter
    38.0 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 7⁄16 in x 20 ; Threaded

498673

Price Range
$0.3204 - $0.1739

Stock Levels
1369 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    7⁄16 in x 20
  • Overall Diameter
    16.0 mm
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1 in x 14 ; Threaded

498553

Price Range
$0.6334 - $0.2533

Stock Levels
989 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Sizes (All)
    1 in x 14
  • Overall Diameter
    31.0 mm