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Plugs Caps & Locknuts

Plugs are designed to insert into the end of tubing to dead-end the flow.  Various materials are used to manufacture high quality tube plugs in a variety of end connections.

Lock nuts are designed to prevent nuts from working loose. ... The most common form of a nut has a nylon inset built into one side of the threaded end. When the nut is tightened, the thread on the bolt stretches the nylon, causing the nut to grip the bolt which stops it from loosening itself.

Filters

  • Original price £1.32 - Original price £1.32
    Original price
    £1.32
    £1.32 - £1.32
    Current price £1.32

    Steel Zinc Plated Allen Key Plug | 1/4" BSPT Male | SAK04

    Steel Zinc Plated. Allen Key/Hexagonal Plug Fitting Male BSPT Thread

    Original price £1.32 - Original price £1.32
    Original price
    £1.32
    £1.32 - £1.32
    Current price £1.32
  • Original price £3.29 - Original price £3.29
    Original price
    £3.29
    £3.29 - £3.29
    Current price £3.29

    Steel Zinc Plated Allen Key Plug | 1/8" BSPT Male | SAK02

    Steel Zinc Plated. Allen Key/Hexagonal Plug Fitting Male BSPT Thread

    Original price £3.29 - Original price £3.29
    Original price
    £3.29
    £3.29 - £3.29
    Current price £3.29
  • Original price £9.41 - Original price £9.41
    Original price
    £9.41
    £9.41 - £9.41
    Current price £9.41

    Nickel Plated Allen Key Plug | 1" BSPT Male | AK16NP

    Allen Key/Hexagonal Plug Fitting Male BSPT Thread Brass Nickel Plated

    Original price £9.41 - Original price £9.41
    Original price
    £9.41
    £9.41 - £9.41
    Current price £9.41
  • Original price £2.53 - Original price £2.53
    Original price
    £2.53
    £2.53 - £2.53
    Current price £2.53

    Nickel Plated Allen Key Plug | 1/2" BSPT Male | AK08NP

    Allen Key/Hexagonal Plug Fitting Male BSPT Thread Brass Nickel Plated

    Original price £2.53 - Original price £2.53
    Original price
    £2.53
    £2.53 - £2.53
    Current price £2.53
  • Original price £1.87 - Original price £1.87
    Original price
    £1.87
    £1.87 - £1.87
    Current price £1.87

    Nickel Plated Allen Key Plug | 3/8" BSPT Male | AK06NP

    Allen Key/Hexagonal Plug Fitting Male BSPT Thread Brass Nickel Plated

    Original price £1.87 - Original price £1.87
    Original price
    £1.87
    £1.87 - £1.87
    Current price £1.87
  • Original price £2.00 - Original price £2.00
    Original price
    £2.00
    £2.00 - £2.00
    Current price £2.00

    Nickel Plated Allen Key Plug | 1/4" BSPT Male | AK04NP

    Allen Key/Hexagonal Plug Fitting Male BSPT Thread Brass Nickel Plated

    Original price £2.00 - Original price £2.00
    Original price
    £2.00
    £2.00 - £2.00
    Current price £2.00
  • Original price £0.74 - Original price £0.74
    Original price
    £0.74
    £0.74 - £0.74
    Current price £0.74

    Nickel Plated Allen Key Plug | 1/8" BSPT Male | AK02NP

    Allen Key/Hexagonal Plug Fitting Male BSPT Thread Brass Nickel Plated

    Original price £0.74 - Original price £0.74
    Original price
    £0.74
    £0.74 - £0.74
    Current price £0.74
  • Original price £4.80 - Original price £4.80
    Original price
    £4.80
    £4.80 - £4.80
    Current price £4.80

    Brass Allen Key Plug | 1/2" NPT Male | AKN08

    Brass Allen Key/Hexagonal Plug Fitting Male NPT Thread

    Original price £4.80 - Original price £4.80
    Original price
    £4.80
    £4.80 - £4.80
    Current price £4.80
  • Original price £1.68 - Original price £1.68
    Original price
    £1.68
    £1.68 - £1.68
    Current price £1.68

    Brass Allen Key Plug | 1/4" NPT Male | AKN04

    Brass Allen Key/Hexagonal Plug Fitting Male NPT Thread

    Original price £1.68 - Original price £1.68
    Original price
    £1.68
    £1.68 - £1.68
    Current price £1.68
  • Original price £1.96 - Original price £1.96
    Original price
    £1.96
    £1.96 - £1.96
    Current price £1.96

    Nickel Plated Allen Key Plug | 1/2" BSPP Male | AKP08NP

    Allen Key/Hexagonal Plug Fitting Male BSPP Thread Nickel Plated

    Original price £1.96 - Original price £1.96
    Original price
    £1.96
    £1.96 - £1.96
    Current price £1.96
  • Original price £1.19 - Original price £1.19
    Original price
    £1.19
    £1.19 - £1.19
    Current price £1.19

    Nickel Plated Allen Key Plug | 3/8" BSPP Male | AKP06NP

    Allen Key/Hexagonal Plug Fitting Male BSPP Thread Nickel Plated

    Original price £1.19 - Original price £1.19
    Original price
    £1.19
    £1.19 - £1.19
    Current price £1.19
  • Original price £0.94 - Original price £0.94
    Original price
    £0.94
    £0.94 - £0.94
    Current price £0.94

    Nickel Plated Allen Key Plug | 1/4" BSPP Male | AKP04NP

    Allen Key/Hexagonal Plug Fitting Male BSPP Thread Nickel Plated

    Original price £0.94 - Original price £0.94
    Original price
    £0.94
    £0.94 - £0.94
    Current price £0.94
  • Original price £0.78 - Original price £0.78
    Original price
    £0.78
    £0.78 - £0.78
    Current price £0.78

    Nickel Plated Allen Key Plug | 1/8" BSPP Male | AKP02NP

    Allen Key/Hexagonal Plug Fitting Male BSPP Thread Nickel Plated

    Original price £0.78 - Original price £0.78
    Original price
    £0.78
    £0.78 - £0.78
    Current price £0.78
  • Original price £3.96 - Original price £3.96
    Original price
    £3.96
    £3.96 - £3.96
    Current price £3.96

    Aignep Nickel Plated Allen Key Plug | 1/2" BSPP Male with O Ring | AKC08

    Aignep Allen Key/Hexagonal Plug Fitting Brass Nickel Plated. Male BSPP O Ring.

    Original price £3.96 - Original price £3.96
    Original price
    £3.96
    £3.96 - £3.96
    Current price £3.96
  • Original price £1.74 - Original price £1.74
    Original price
    £1.74
    £1.74 - £1.74
    Current price £1.74

    Aignep Nickel Plated Allen Key Plug | 1/4" BSPP Male with O Ring | AKC04

    Aignep Allen Key/Hexagonal Plug Fitting Brass Nickel Plated. Male BSPP O Ring.

    Original price £1.74 - Original price £1.74
    Original price
    £1.74
    £1.74 - £1.74
    Current price £1.74
  • Original price £2.22 - Original price £2.22
    Original price
    £2.22
    £2.22 - £2.22
    Current price £2.22

    Aignep Nickel Plated Allen Key Plug | 3/8" BSPP Male with O Ring | AKC06

    Aignep Allen Key/Hexagonal Plug Fitting Brass Nickel Plated. Male BSPP O Ring.

    Original price £2.22 - Original price £2.22
    Original price
    £2.22
    £2.22 - £2.22
    Current price £2.22
  • Original price £3.14 - Original price £3.14
    Original price
    £3.14
    £3.14 - £3.14
    Current price £3.14

    Nickel Plated Allen Key Plug | 3/8" NPT Male | AKN06NP

    Allen Key/Hexagonal Plug Male NPT Thread Brass Nickel Plated

    Original price £3.14 - Original price £3.14
    Original price
    £3.14
    £3.14 - £3.14
    Current price £3.14
  • Original price £6.32 - Original price £6.32
    Original price
    £6.32
    £6.32 - £6.32
    Current price £6.32

    Nickel Plated Allen Key Plug | 1/4" NPT Male | AKN04NP

    Allen Key/Hexagonal Plug Male NPT Thread Brass Nickel Plated

    Original price £6.32 - Original price £6.32
    Original price
    £6.32
    £6.32 - £6.32
    Current price £6.32
  • Original price £8.14 - Original price £8.14
    Original price
    £8.14
    £8.14 - £8.14
    Current price £8.14

    Nickel Plated Allen Key Plug | 1/2" NPT Male | AKN08NP

    Allen Key/Hexagonal Plug Male NPT Thread Brass Nickel Plated

    Original price £8.14 - Original price £8.14
    Original price
    £8.14
    £8.14 - £8.14
    Current price £8.14
  • Original price £3.53 - Original price £3.53
    Original price
    £3.53
    £3.53 - £3.53
    Current price £3.53

    Manually Operated Air Vents | 1/2" BSPP Male Thread | AV08

    Air Vents Bleed Valve Fitting Manually Operated BSPP Male Thread

    Original price £3.53 - Original price £3.53
    Original price
    £3.53
    £3.53 - £3.53
    Current price £3.53
  • Original price £4.52 - Original price £4.52
    Original price
    £4.52
    £4.52 - £4.52
    Current price £4.52

    Brass Tee Adaptor | 1/8" BSPT Male | 1/8" BSPP Female | MMFT02

    Tee Adaptor Male x Male x Female Threads Brass

    Original price £4.52 - Original price £4.52
    Original price
    £4.52
    £4.52 - £4.52
    Current price £4.52
  • Original price £2.77 - Original price £2.77
    Original price
    £2.77
    £2.77 - £2.77
    Current price £2.77

    Manually Operated Air Vents | 1/4" BSPP Male Thread | AV04

    Air Vents Bleed Valve Fitting Manually Operated BSPP Male Thread

    Original price £2.77 - Original price £2.77
    Original price
    £2.77
    £2.77 - £2.77
    Current price £2.77
  • Original price £1.37 - Original price £1.37
    Original price
    £1.37
    £1.37 - £1.37
    Current price £1.37

    Manually Operated Air Vents | 1/8" BSPP Male Thread | AV02

    Air Vents Bleed Valve Fitting Manually Operated BSPP Male Thread

    Original price £1.37 - Original price £1.37
    Original price
    £1.37
    £1.37 - £1.37
    Current price £1.37
  • Original price £30.60 - Original price £30.60
    Original price
    £30.60
    £30.60 - £30.60
    Current price £30.60

    ENOTS Equivalent Brass Locknut | 2" BSPP Female | LN32

    Original price £30.60 - Original price £30.60
    Original price
    £30.60
    £30.60 - £30.60
    Current price £30.60
  • Original price £19.85 - Original price £19.85
    Original price
    £19.85
    £19.85 - £19.85
    Current price £19.85

    ENOTS Equivalent Brass Locknut | 1.1/2" BSPP Female | LN24

    Original price £19.85 - Original price £19.85
    Original price
    £19.85
    £19.85 - £19.85
    Current price £19.85
  • Original price £41.18 - Original price £41.18
    Original price
    £41.18
    £41.18 - £41.18
    Current price £41.18

    Brass Female Cap End | 1.1/2" BSPP Female Thread | CAP24

    Brass Female Cap End Cap Fitting BSPP Female Thread

    Original price £41.18 - Original price £41.18
    Original price
    £41.18
    £41.18 - £41.18
    Current price £41.18
  • Original price £4.92 - Original price £4.92
    Original price
    £4.92
    £4.92 - £4.92
    Current price £4.92

    Brass Female Cap End | 3/4" BSPP Female Thread | CAP12

    Brass Female Cap End Cap Fitting BSPP Female Thread

    Original price £4.92 - Original price £4.92
    Original price
    £4.92
    £4.92 - £4.92
    Current price £4.92
  • Original price £5.33 - Original price £5.33
    Original price
    £5.33
    £5.33 - £5.33
    Current price £5.33

    Nickel Plated Manually Operated Air Vents | 1/2" BSPP Male Thread | AV08NP

    Air Vents Bleed Valve Fitting Manually Operated BSPP Male Thread Nickel Plated

    Original price £5.33 - Original price £5.33
    Original price
    £5.33
    £5.33 - £5.33
    Current price £5.33
  • Original price £14.30 - Original price £14.30
    Original price
    £14.30
    £14.30 - £14.30
    Current price £14.30

    Nickel Plated Female Cap End | 1" BSPP Female Thread | CAP16NP

    Female Cap End Fitting BSPP Female Thread Nickel Plated

    Original price £14.30 - Original price £14.30
    Original price
    £14.30
    £14.30 - £14.30
    Current price £14.30
  • Original price £3.13 - Original price £3.13
    Original price
    £3.13
    £3.13 - £3.13
    Current price £3.13

    Nickel Plated Female Cap End | 3/4" BSPP Female Thread | CAP12NP

    Female Cap End Fitting BSPP Female Thread Nickel Plated

    Original price £3.13 - Original price £3.13
    Original price
    £3.13
    £3.13 - £3.13
    Current price £3.13
  • Original price £4.10 - Original price £4.10
    Original price
    £4.10
    £4.10 - £4.10
    Current price £4.10

    Nickel Plated Female Cap End | 3/8" BSPP Female Thread | CAP06NP

    Female Cap End Fitting BSPP Female Thread Nickel Plated

    Original price £4.10 - Original price £4.10
    Original price
    £4.10
    £4.10 - £4.10
    Current price £4.10
  • Original price £4.36 - Original price £4.36
    Original price
    £4.36
    £4.36 - £4.36
    Current price £4.36

    Nickel Plated Female Cap End | 1/2" BSPP Female Thread | CAP08NP

    Female Cap End Fitting BSPP Female Thread Nickel Plated

    Original price £4.36 - Original price £4.36
    Original price
    £4.36
    £4.36 - £4.36
    Current price £4.36
  • Original price £2.06 - Original price £2.06
    Original price
    £2.06
    £2.06 - £2.06
    Current price £2.06

    Nickel Plated Female Cap End | 1/4" BSPP Female Thread | CAP04NP

    Female Cap End Fitting BSPP Female Thread Nickel Plated

    Original price £2.06 - Original price £2.06
    Original price
    £2.06
    £2.06 - £2.06
    Current price £2.06
  • Original price £1.26 - Original price £1.26
    Original price
    £1.26
    £1.26 - £1.26
    Current price £1.26

    Nickel Plated Female Cap End | 1/8" BSPP Female Thread | CAP02NP

    Female Cap End Fitting BSPP Female Thread Nickel Plated

    Original price £1.26 - Original price £1.26
    Original price
    £1.26
    £1.26 - £1.26
    Current price £1.26
  • Original price £15.65 - Original price £15.65
    Original price
    £15.65
    £15.65 - £15.65
    Current price £15.65

    ITM Nickel Plated Lock Nut | 1.1/4" BSPP Female | LN20NP

    ITM Lock Nut Threaded Fitting BSPP Female Thread Nickel Plated

    Original price £15.65 - Original price £15.65
    Original price
    £15.65
    £15.65 - £15.65
    Current price £15.65
  • Original price £6.36 - Original price £6.36
    Original price
    £6.36
    £6.36 - £6.36
    Current price £6.36

    ITM Nickel Plated Lock Nut | 7/8" BSPP Female | LN14NP

    ITM Lock Nut Threaded Fitting BSPP Female Thread Nickel Plated

    Original price £6.36 - Original price £6.36
    Original price
    £6.36
    £6.36 - £6.36
    Current price £6.36