STP-Masking - STP-Masking

Nylon Self-Threading Plugs

STP-Masking series of self-threading plugs are self-tapping and create a leak-proof seal. The handles have holes that can be used for hanging. Recommended for painting, plating & anodising.

  • Recommended temperatures up to 82°C
  • Chemical resistant
  • Used for tapped/blind holes
  • Cuts own thread for liquid tight seal

Material: Low-density polyethylene
Standard Colour: White


Type: Masking Products, Masking Speciality

Material: Nylon

Applications: Masking

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Part Number Dim A (mm) Dim B (mm) To Fit Thread Size
STP-2 1.52 2.06 UNC (2-56), UNF (2-64)
STP-3 1.93 2.31 UNC (3-48),UNF (3-56)
STP-4 2.03 2.66 UNC (4-40),UNF (4-48)
STP-6 2.70 3.14 UNC (6-32),UNF (6-40)
STP-8 3.39 4.01 UNC (8-32),UNF (8-36)
STP-10 3.68 4.56 UNC (10-24),UNF (10-32)
STP-12 4.21 4.97 UNC (12-24),UNF (12-28)
STP-1/4 4.82 5.97 UNC (1/4-20),UNF (1/4-28)
STP-5/16 6.06 7.12 UNC (5/16-18),UNF (5/16-24)
STP-3/8 7.68 8.45 UNC (3/8-16),UNF (3/8-24)
STP-1/2 9.99 11.34 UNC (1/2-13),UNF (1/2-20)