What does PEM stand for in fasteners?

What does PEM stand for in fasteners?

If you’re in the fabrication of sheet metal, you have probably heard the term “PEM® fastener”. What exactly does that mean? PEM® brand fasteners, designed and manufactured by PennEngineering, utilize self-clinching technology for attaching to thin sheet metal.

What is a PEM part?

PEM brand fasteners are hardware components that provide threaded attachment points for thin parts like sheet metal brackets and printed circuit boards (PCBs). Holes in thin parts are not ideal to be tapped because there would not be enough threads to ensure a secure joint.

How strong are PEM nuts?

PEM SH nuts are engineered to install into high-strength steel sheets at 975MPa maximum ultimate tensile and as hard as HRC 30 or less on the Rockwell “C” scale. Host panels can be as thin as 1.4 mm / .

Are PEM studs watertight?

No. All self-clinching fasteners are installed into a round punched or drilled hole. A hexagonal head will cause the sheet material to cold flow around the head to provide high torque-out resistance.

What is a mechanical PEM?

PEM® brand fasteners utilize self-clinching, broaching, flaring, surface mount, or weld technology to provide strong, reusable, and permanent threads and mounting points in thin sheet metal, P.C. board materials, and other ductile or non-ductile thin material.

How do you remove PEM nuts?

Re: Boss Nut / PEM Nut Removal (The Easy Way) (Level 1 – Novice Consumer) A vicegrips pliers works well to remove pems too. Just rotate it back and forth and pull it out. They come out fairly easily.

How do you insert PEM nuts?

PEM® Brand Fasteners Installation Demo

1. Prepare properly sized mounting hole in sheet.
2. Place shank of nut into mounting hole, preferably the punch side.
3. With punch and anvil surfaces parallel, apply squeezing force until the head of the nut comes into contact with the sheet material.

How are PEM studs installed?

PEM® self-clinching studs are easily installed by placing them in properly sized holes in sheets and squeezing into place with any standard press: Install permanently in aluminum, steel or stainless steel in sheets as thin as . 020” / 0.51 mm. High torque-out and pushout resistances.

What are PEM studs?

PEM® brand fasteners utilize self-clinching, broaching, flaring, surface mount, or weld technology to provide strong, reusable, and permanent threads and mounting points in thin sheet metal, P.C. board materials, and other ductile or non-ductile thin material. Read more about self-clinching technology.

How do you install PEM studs?