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Threaded O-ring Plugs - UNF Threads
Threaded O-ring Plugs - UNF Threads

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

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Product SKUs information
Item Code Price range Availability Overall Diameter Colour Threaded Length Material Compatible Thread Sizes (All) View
$12.219 - $22.5087 In production
12.7 mm
Yellow
10.2 mm
Nylon
3/4-16 UNF 2A
$0.4885 - $0.5413 411 In stock
19.8 mm
Red
9.1 mm
HDPE
9/16 - 18
$0.516 - $0.5718 9900 In stock
24.9 mm
Red
10.2 mm
HDPE
3/4 - 16
In production
33.8 mm
Red
16.0 mm
LDPE
1 3/16–12
$1.7806 - $3.2801 In production
12.7 mm
Yellow
10.2 mm
Nylon
9/16-18 UNF 2A
$0.586 - $0.6494 528 In stock
28.2 mm
Red
11.4 mm
HDPE
7/8 - 14
$0.996 - $1.1035 700 In stock
39.6 mm
Red
15.7 mm
HDPE
1 5/16 - 12
$0.1831 - $0.3374 10 In stock
19.0 mm
Yellow
12.5 mm
HDPE
1/2 in x 20
$0.3162 - $0.5824 3655 In stock
28.0 mm
Yellow
13.5 mm
HDPE
7/8 in x 14
$0.2919 - $0.5377 2813 In stock
27.0 mm
Yellow
13.5 mm
HDPE
3/4 in x 16
$0.5997 - $1.1047 8 In stock
50.0 mm
Yellow
14.0 mm
HDPE
1-5/8 in x 12
$0.1364 - $0.2513 11 In stock
14.0 mm
Yellow
10.0 mm
HDPE
3/8 in x 24
$0.1979 - $0.4948 11 In stock
22.0 mm
Yellow
12.5 mm
HDPE
5/8 in x 18
$0.7203 - $1.3268 70 In stock
55.0 mm
Yellow
14.0 mm
HDPE
1-7/8 in x 12
$0.4389 - $1.0972 9 In stock
42.0 mm
Yellow
14.0 mm
HDPE
15⁄16 in x 12
8702 In stock
16.5 mm
Red
8.1 mm
HDPE
7/16 - 20
In production
47.8 mm
Red
15.7 mm
HDPE
1 5/8 - 12
In production
18.3 mm
Red
8.1 mm
HDPE
1/2 - 20
In production
28.7 mm
Red
15.7 mm
HDPE
1 1/16 - 12
$0.3521 - $0.3901 809 In stock
38.1 mm
Yellow
17.8 mm
PP
1-3/16-12
    • of 2
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; Compatible Thread Sizes - 3/4-16 UNF 2A ; Threaded

TPWO-2

Price Range
$22.5087 - $12.219

Stock Levels
In production
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    Nylon 6/6
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    3/4-16 UNF 2A
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UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 9/16 - 18 ; Threaded

PDO106

Price Range
$0.5413 - $0.4885

Stock Levels
411 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    SEA
  • Compatible Thread Sizes (All)
    9/16 - 18
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UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 3/4 - 16 ; Threaded

PDO108

Price Range
$0.5718 - $0.516

Stock Levels
9900 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    SEA
  • Compatible Thread Sizes (All)
    3/4 - 16
Quick View
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UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; Compatible Thread Sizes - 1 3/16–12 ; Threaded

PDF120


Stock Levels
In production
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    Low Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    1 3/16–12
Quick View
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UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; Compatible Thread Sizes - 9/16-18 UNF 2A ; Threaded

TPWO-1

Price Range
$3.2801 - $1.7806

Stock Levels
In production
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    Nylon 6/6
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    9/16-18 UNF 2A
Quick View
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UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 7/8 - 14 ; Threaded

PDO110

Price Range
$0.6494 - $0.586

Stock Levels
528 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    SEA
  • Compatible Thread Sizes (All)
    7/8 - 14
Quick View
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UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 1 5/16 - 12 ; Threaded

PDO116

Price Range
$1.1035 - $0.996

Stock Levels
700 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    SEA
  • Compatible Thread Sizes (All)
    1 5/16 - 12
Quick View
View Product >
Threaded Plug with Gasket UNF 1/2 in x 20 HDPE Yellow

498674

Price Range
$0.3374 - $0.1831

Stock Levels
10 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    1/2 in x 20
Quick View
View Product >
Threaded plug with Gasket UNF 7/8 in x 14 HDPE Yellow

498677

Price Range
$0.5824 - $0.3162

Stock Levels
3655 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    7/8 in x 14
Quick View
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Threaded Plug with Gasket UNF 3/4 in x 16 HDPE Yellow

498676

Price Range
$0.5377 - $0.2919

Stock Levels
2813 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    3/4 in x 16
Quick View
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Threaded Plug with Gasket UNF 1-5/8 in x 12 HDPE Yellow

498679

Price Range
$1.1047 - $0.5997

Stock Levels
8 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    1-5/8 in x 12
Quick View
View Product >
Threaded Plug with Gasket UNF 3/8 in x 24 HDPE Yellow

498672

Price Range
$0.2513 - $0.1364

Stock Levels
11 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    3/8 in x 24
Quick View
View Product >
Threaded Plug with Gasket UNF 5/8 in x 18 HDPE Yellow

498552

Price Range
$0.4948 - $0.1979

Stock Levels
11 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    5/8 in x 18
Quick View
View Product >
Threaded Plug with Gasket UNF 1-7/8 in x 12 HDPE Yellow

498680

Price Range
$1.3268 - $0.7203

Stock Levels
70 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    1-7/8 in x 12
Quick View
View Product >
Threaded Plug with Gasket UNF 15⁄16 in x 12 HDPE Yellow

498555

Price Range
$1.0972 - $0.4389

Stock Levels
9 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    15⁄16 in x 12
Quick View
View Product >
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 7/16 - 20 ; Threaded

PDO104


Stock Levels
8702 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    SEA
  • Compatible Thread Sizes (All)
    7/16 - 20
Quick View
View Product >
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 1 5/8 - 12 ; Threaded

PDO120


Stock Levels
In production
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    SEA
  • Compatible Thread Sizes (All)
    1 5/8 - 12
Quick View
View Product >
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 1/2 - 20 ; Threaded

PDO105


Stock Levels
In production
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    SEA
  • Compatible Thread Sizes (All)
    1/2 - 20
Quick View
View Product >
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 1 1/16 - 12 ; Threaded

PDO112


Stock Levels
In production
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    SEA
  • Compatible Thread Sizes (All)
    1 1/16 - 12
Quick View
View Product >
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; Compatible Thread Sizes - 1-3/16 in x 12 ; Threaded

BL11D

Price Range
$0.3901 - $0.3521

Stock Levels
809 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
Quick View
View Product >
Threaded O-Ring Plug UNF 3/4-16 PP Yellow

BL7J

Price Range
$0.1812 - $0.1636

Stock Levels
10 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
Quick View
View Product >
Threaded Plug with Gasket UNF 13⁄16 in x 12 HDPE Yellow

498678

Price Range
$0.6692 - $0.3633

Stock Levels
In production
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    13⁄16 in x 12
Quick View
View Product >
Threaded Plug with Gasket UNF 9⁄16 in x 18 HDPE Yellow

498675

Price Range
$0.4279 - $0.2323

Stock Levels
15 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    9⁄16 in x 18
Quick View
View Product >
Threaded Plug with Gasket UNF 1 in x 14 HDPE Yellow

498553

Price Range
$0.615 - $0.246

Stock Levels
989 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    1 in x 14
Quick View
View Product >
Threaded Plug with Gasket UNF 11⁄16 in x 12 HDPE Yellow

498554

Price Range
$0.7791 - $0.3116

Stock Levels
160 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    9/16 in x 18
Quick View
View Product >
Threaded Plug with Gasket UNF 7⁄16 in x 20 HDPE Yellow

498673

Price Range
$0.3111 - $0.1689

Stock Levels
1519 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard (All)
    UNF
  • Compatible Thread Sizes (All)
    7⁄16 in x 20
Quick View
View Product >
Threaded O-Ring Plug UNF 1-5/16-12 PP Yellow

BL12H

Price Range
$0.3077 - $0.2777

Stock Levels
10 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
Quick View
View Product >
Threaded O-Ring Plug - Compatible Thread Standard - UNC ; Compatible Thread Sizes - 1/2 in x 13 ; Threaded

BL4B

Price Range
$0.1568 - $0.1416

Stock Levels
10 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Black
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
Quick View
View Product >
Threaded O-Ring Plug UNF 7/8-14 PP Yellow

BL8H

Price Range
$0.2342 - $0.2114

Stock Levels
1667 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
Quick View
View Product >
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; Compatible Thread Sizes - 7/16 in x 20 ; Threaded

BL3L

Price Range
$0.147 - $0.1327

Stock Levels
10 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
Quick View
View Product >
Threaded O-Ring Plug UNF 1-1/16-12 PP Yellow

BL10I

Price Range
$0.3419 - $0.3085

Stock Levels
10 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
Quick View
View Product >
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; Compatible Thread Sizes - 1-7/8 in x 12 ; Screw Fit;O-Ring

BL14C

Price Range
$0.3385 - $0.3055

Stock Levels
1406 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
Quick View
View Product >
Threaded O-Ring Plug UNF 1-5/8-12 PP Yellow

BL13D

Price Range
$0.4534 - $0.4092

Stock Levels
110 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
Quick View
View Product >
Threaded O-Ring Plug UNF 9/16-18 PP Yellow

BL5K

Price Range
$0.1535 - $0.1385

Stock Levels
10 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
Quick View
View Product >