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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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31 results
Product SKUs information
Item Code Price range Availability Compatible Thread Sizes (All) View
$0.42 - $1.0491 7728 In stock
$0.1579 - $0.9654 37736 In stock
$0.3897 - $0.9752 11400 In stock
BL7J $0.3694 - $2.2571 1500 In stock
BL12H $0.643 - $1.6044 3500 In stock
$0.1839 - $1.1237 108156 In stock
$0.8357 - $2.0918 230 In stock
$0.2216 - $1.3543 21000 In stock
BL8H $0.4215 - $1.0557 822 In stock
$0.2578 - $1.5757 8613 In stock
$0.2984 - $1.8234 15244 In stock
BL10I $0.5502 - $1.3775 92 In stock
BL4B $0.2723 - $1.664 Request the lead time here
$0.4911 - $1.2278 14000 In stock
BL11D $0.6285 - $1.5737 425 In stock
$0.3636 - $0.9091 16183 In stock
$0.1579 - $0.9654 48000 In stock
7/16-24
BL3L $0.2346 - $1.4824 37970 In stock
$0.3375 - $0.8432 5600 In stock
$0.1665 - $1.0178 11250 In stock
  • of 2
Threaded O-Ring Plug UNF 1 5/8 - 12 in UNF 54.7 mm HDPE Red

BLM13B

Price Range
$1.0491 - $0.42

Stock Levels
7728 In stock
Attributes
  • Head Height
    0.344 in
  • Overall Diameter
    2.156 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF 7/16 - 20 in UNF 16.8 mm HDPE Red

BLM3B

Price Range
$0.9654 - $0.1579

Stock Levels
37736 In stock
Attributes
  • Head Height
    0.281 in
  • Overall Diameter
    0.66 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE
Threaded Plug UNF 1 5/16 - 12 in UNF 44.2 mm HDPE Red

BLM12B

Price Range
$0.9752 - $0.3897

Stock Levels
11400 In stock
Attributes
  • Head Height
    0.344 in
  • Overall Diameter
    1.74 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; ;

BL7J

Price Range
$2.2571 - $0.3694

Stock Levels
1500 In stock
Attributes
  • Head Height
    0.190 in
  • Overall Diameter
    0.940 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Yellow
  • Material
    PP
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; ;

BL12H

Price Range
$1.6044 - $0.643

Stock Levels
3500 In stock
Attributes
  • Head Height
    0.290 in
  • Overall Diameter
    1.610 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Yellow
  • Material
    PP
Threaded O-Ring Plug UNF 9/16 - 18 in UNF 20.3 mm HDPE Red

BLM5B

Price Range
$1.1237 - $0.1839

Stock Levels
108156 In stock
Attributes
  • Head Height
    0.323 in
  • Overall Diameter
    0.8 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; ;

BL14C

Price Range
$2.0918 - $0.8357

Stock Levels
230 In stock
Attributes
  • Head Height
    0.300 in
  • Overall Diameter
    2.125 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Yellow
  • Material
    PP
Threaded O-Ring Plug UNF 3/4 - 16 in UNF 25.9 mm HDPE Red

BLM7B

Price Range
$1.3543 - $0.2216

Stock Levels
21000 In stock
Attributes
  • Head Height
    0.406 in
  • Overall Diameter
    1.02 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; ;

BL8H

Price Range
$1.0557 - $0.4215

Stock Levels
822 In stock
Attributes
  • Head Height
    0.240 in
  • Overall Diameter
    1.060 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Yellow
  • Material
    PP
Threaded O-Ring Plug UNF 7/8 - 14 in UNF 29.4 mm HDPE Red

BLM8B

Price Range
$1.5757 - $0.2578

Stock Levels
8613 In stock
Attributes
  • Head Height
    0.313 in
  • Overall Diameter
    1.16 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF 1 - 14 in UNF 31.7 mm HDPE Red

BLM9B

Price Range
$1.8234 - $0.2984

Stock Levels
15244 In stock
Attributes
  • Head Height
    0.313 in
  • Overall Diameter
    1.25 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; ;

BL10I

Price Range
$1.3775 - $0.5502

Stock Levels
92 In stock
Attributes
  • Head Height
    0.250 in
  • Overall Diameter
    1.310 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Yellow
  • Material
    PP
Threaded Protection Plug - Compatible Thread Standard - UNC ; ;

BL4B

Price Range
$1.664 - $0.2723

Stock Levels
Request the lead time here
Attributes
  • Head Height
    0.281 in
  • Overall Diameter
    0.687 in
  • Compatible Thread Standard (All)
    UNC
  • Color
    Black
  • Material
    PP
Threaded O-Ring Plug UNF 1 7/8 - 12 in UNF 55.5 mm HDPE Red

BLM14B

Price Range
$1.2278 - $0.4911

Stock Levels
14000 In stock
Attributes
  • Head Height
    0.344 in
  • Overall Diameter
    2.188 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; ;

BL11D

Price Range
$1.5737 - $0.6285

Stock Levels
425 In stock
Attributes
  • Head Height
    0.300 in
  • Overall Diameter
    1.500 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Yellow
  • Material
    PP
Threaded Plug UNF 1 3/16 - 12 in UNF 38.1 mm HDPE Red

BLM11B

Price Range
$0.9091 - $0.3636

Stock Levels
16183 In stock
Attributes
  • Head Height
    0.344 in
  • Overall Diameter
    1.5 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF 7/16-24 in 16.8 mm HDPE Red

BLM3-24B

Price Range
$0.9654 - $0.1579

Stock Levels
48000 In stock
Attributes
  • Head Height
    0.281 in
  • Overall Diameter
    0.66 in
  • Compatible Thread Sizes (All)
    7/16-24
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF ; ;

BL3L

Price Range
$1.4824 - $0.2346

Stock Levels
37970 In stock
Attributes
  • Head Height
    0.180 in
  • Overall Diameter
    0.620 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Yellow
  • Material
    PP
Threaded Plug UNF 1 1/16 - 12 in UNF 36.8 mm HDPE Red

BLM10B

Price Range
$0.8432 - $0.3375

Stock Levels
5600 In stock
Attributes
  • Head Height
    0.313 in
  • Overall Diameter
    1.45 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE
Threaded O-Ring Plug UNF 1/2 - 20 in UNF 18.5 mm HDPE Red

BLM4B

Price Range
$1.0178 - $0.1665

Stock Levels
11250 In stock
Attributes
  • Head Height
    0.313 in
  • Overall Diameter
    0.73 in
  • Compatible Thread Standard (All)
    UNF
  • Color
    Red
  • Material
    HDPE