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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, LDPE, HDPE, Nylon
  • Colour: Yellow, Red, Natural
  • Material Flammability Standard: UL94 V-0

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13 results
Product SKUs information
Item Code Price range Availability Compatible Thread Sizes (All) View
$0.3032 - $3.9879 5390 In stock
$0.3522 - $4.6409 613 In stock
$0.4083 - $5.3871 1744 In stock
$0.252 - $3.3116 4505 In stock
$0.497 - $6.5997 183 In stock
$0.2751 - $3.6614 9183 In stock
$0.2159 - $2.8686 Request the lead time here
7/16-24
$0.5739 - $7.6023 28 In stock
$0.5343 - $7.0659 400 In stock
$0.4617 - $6.1101 1400 In stock
$0.2159 - $2.8686 20901 In stock
$0.6717 - $8.885 500 In stock
$0.2286 - $3.0317 8750 In stock
Threaded O-Ring Plug UNF Threads 3/4 - 16 in UNF 25.9 mm HDPE Red

BLM7B

Price Range
$3.9879 - $0.3032

Stock Levels
5390 In stock
Attributes
  • Head Height
    0.406 in
  • Overall Diameter
    1.02 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF Threads 7/8 - 14 in UNF 29.4 mm HDPE Red

BLM8B

Price Range
$4.6409 - $0.3522

Stock Levels
613 In stock
Attributes
  • Head Height
    0.313 in
  • Overall Diameter
    1.16 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF Threads 1 - 14 in UNF 31.7 mm HDPE Red

BLM9B

Price Range
$5.3871 - $0.4083

Stock Levels
1744 In stock
Attributes
  • Head Height
    0.313 in
  • Overall Diameter
    1.25 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF Threads 9/16 - 18 in UNF 20.3 mm HDPE Red

BLM5B

Price Range
$3.3116 - $0.252

Stock Levels
4505 In stock
Attributes
  • Head Height
    0.323 in
  • Overall Diameter
    0.8 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded Plug UNF Threads 1 3/16 - 12 in UNF 38.1 mm HDPE Red

BLM11B

Price Range
$6.5997 - $0.497

Stock Levels
183 In stock
Attributes
  • Head Height
    0.344 in
  • Overall Diameter
    1.5 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF Threads 5/8 - 18 in UNF 20.8 mm HDPE Red

BLM6B

Price Range
$3.6614 - $0.2751

Stock Levels
9183 In stock
Attributes
  • Head Height
    0.313 in
  • Overall Diameter
    0.82 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF Threads 7/16-24 in 16.8 mm HDPE Red

BLM3-24B

Price Range
$2.8686 - $0.2159

Stock Levels
Request the lead time here
Attributes
  • Head Height
    0.281 in
  • Overall Diameter
    0.66 in
  • Overall Height
    0.625 in
  • Compatible Thread Sizes (All)
    7/16-24
  • Compatible Thread Standard
    UNF Threads
Threaded O-Ring Plug UNF Threads 1 5/8 - 12 in UNF 54.7 mm HDPE Red

BLM13B

Price Range
$7.6023 - $0.5739

Stock Levels
28 In stock
Attributes
  • Head Height
    0.344 in
  • Overall Diameter
    2.156 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded Plug UNF Threads 1 5/16 - 12 in UNF 44.2 mm HDPE Red

BLM12B

Price Range
$7.0659 - $0.5343

Stock Levels
400 In stock
Attributes
  • Head Height
    0.344 in
  • Overall Diameter
    1.74 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded Plug UNF Threads 1 1/16 - 12 in UNF 36.8 mm HDPE Red

BLM10B

Price Range
$6.1101 - $0.4617

Stock Levels
1400 In stock
Attributes
  • Head Height
    0.313 in
  • Overall Diameter
    1.45 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF Threads 7/16 - 20 in UNF 16.8 mm HDPE Red

BLM3B

Price Range
$2.8686 - $0.2159

Stock Levels
20901 In stock
Attributes
  • Head Height
    0.281 in
  • Overall Diameter
    0.66 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF Threads 1 7/8 - 12 in UNF 55.5 mm HDPE Red

BLM14B

Price Range
$8.885 - $0.6717

Stock Levels
500 In stock
Attributes
  • Head Height
    0.344 in
  • Overall Diameter
    2.188 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF Threads 1/2 - 20 in UNF 18.5 mm HDPE Red

BLM4B

Price Range
$3.0317 - $0.2286

Stock Levels
8750 In stock
Attributes
  • Head Height
    0.313 in
  • Overall Diameter
    0.73 in
  • Compatible Thread Standard
    UNF Threads
  • Colour
    Red
  • Material
    HDPE