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1/2"-14 NPTF LEVL-SEAL Thread, 7/8" Taper Pressure Plug, Alloy Steel, PTFE Coated

Unbrako Part No. B138243


Item Taper Pressure Plug
System of Measurement Inch
Diameter 1/2
Thread Pitch / TPI 14
Thread Type NPTF
Taper Per Foot 7/8" / LEVL-SEAL
Material Alloy Steel
Finish PTFE
Hex Key Size 3/8"
Thread Direction Right Hand
Pack Type Bulk


Unbrako Pressure Plugs are made to closer tolerances, are generally of higher quality, and almost all have taper threads. The design of LEVL-SEAL plug permits seating within half a pitch in a normally tapped hole; compared to a full pitch with conventional plugs. Flush seating improves appearance and adds safety. Teflon coating acts as a lubricant and a seal. The coating reduces any tendency of the plug to "freeze" as a result of rust or corrosion.

  • PTFE coating material provides a combination of extra hardness and abrasion resistance which permits reuse up to 5 times without appreciable loss of seal.
  • Precision hex socket with maximum depth for positive wrenching at higher seating torques
  • Flush seating is achieved through closer control of thread forms, sizes and taper-improves safety and appearance
  • Controlled chamfer and the PTFE coating, which acts as a lubricant and seal, allow for faster installation.

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