Types of Threads

• N.P.S.M. – Straight Pipe Threads used for Free-Fitting Joints or Fixtures.

• N.P.S.L. – Straight Pipe Threads Used for Loose Fittings Mechanical Joints with Locknuts.

• N.P.T. -Taper Pipe Threads for General Use (Found on Standard Pipe Nipples).

• N.P.T.F. – Taper Pipe Threads Used for Fuel and Oil Fittings (Makes a Pressure Tight Seal Without the Use of Lubricant or Sealer).

• N.P.S.H. – Straight Pipe Threads Used to Make Hose Connectors.

Machining Process

• Plain Roller Cut – End is cut with a Roller Pipe Cutter. No additional machining is performed.

• Square Ream – A Machining Process That Cuts the End of the Pipe on a 90 Degree Angle to the wall.

• Ream & Chamfer – A Machining Process that cuts the End of the pipe on an Angle (Usually 38 to 42 Degrees) to the wall.

• Victaulic Groove – A Groove Cut Into the Wall of the Pipe Used to Make an Air Tight Connection without Threads.

• O.D. & I.D. Machining – Per Print Only.

• 1/8″ – 1″ Diameter Pipe Bending – Per Print Only.

• Roll-groove Stainless Steel schedule 10 and 40 pipe is now available.