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Type SP PEM 300 Self-Clinching Nuts (Unified)

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Specially hardened stainless steel fasteners for use in stainless steel sheets.
  • After installation, reverse side of sheet remains flush and smooth.
  • For use in sheets of HRB 90 or less.
  • Corrosion resistance similar to 300 series stainless steel.
  • One of the very basics of self-clinching is that the fastener must be harder than the host sheet. Only then will the fastener perform as intended. This is particularly challenging when installing fasteners into stainless steel sheets.
  • Therefore we have developed this line of specially hardened stainless steel fasteners. When pressed in they become an integral part of the sheet. They allow the use of stainless steel sheet to satisfy applications, which require lighter, stronger designs that must perform in challenging environments. Effectively eliminate welding and reduce loose hardware.
  • PEM self-clinching nuts provide strong load-bearing threads in stainless sheets as thin as 0.030"/0.8mm. When properly installed the nuts mount permanently in the sheets with one side completely flush within the panel. PEM type SP nuts also provide significant corrosion resistant properties for the most demanding conditions.
  • PEM self-clinching flush-head studs can be mounted in stainless sheets as thin as 0.040"/1mm. These studs offer convenient attachment points and achieve excellent performance values. Type FHP studs have high corrosion resistance. You can select either the FH4 or FHP types depending on the level of corrosion resistance that you require.
  • PEM self-clinching standoffs provide a permanently mounted fastener that can be used for mounting, stacking or spacing components to or from stainless steel panels. Pressed into stainless sheets as thin as 0.040"/1.02mm these fasteners are available as Type SO4 (blind) or Type BSO4 (through hole) types.
  • PEM self-clinching panel fasteners provide "tool only" access to your stainless steel assemblies.
  • Fasteners made from precipitation hardened grade stainless are particularly useful in applications such as outdoor equipment, medical devices and chemical and food processing equipment or anywhere corrosive element exposure is possible.
Quantity Discount Available.
Request Quote for orders less than 1000 or 5000, depending on fastener type.

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  Results 1 - 12 of 12 1 

Item #


Thread Size

A (Shank) Max.

Sheet Thickness

Hole Size in Sheet (+0.003 / -0.000)


SP-440-0 SP (#4-40)
0.030 in. N/A 0.166 in. {}
SP-440-1 SP (#4-40)
0.038 in. N/A 0.166 in. {}
SP-440-2 SP (#4-40)
0.054 in. 0.056 in. (Min.) 0.166 in. {}
SP-632-0 SP (#6-32)
0.030 in. N/A 0.1875 in. {}
SP-632-1 SP (#6-32)
0.038 in. N/A 0.1875 in. {}
SP-632-2 SP (#6-32)
0.054 in. 0.056 in. (Min.) 0.1875 in. {}
SP-832-0 SP (#8-32)
0.030 in. N/A 0.213 in. {}
SP-832-1 SP (#8-32)
0.038 in. N/A 0.213 in. {}
SP-832-2 SP (#8-32)
0.054 in. 0.056 in. (Min.) .213 in. {}
SP-032-0 SP (#10-32)
0.030 in. N/A 0.250 in. {}
SP-032-1 SP (#10-32)
0.038 in. N/A 0.250 in. {}
SP-032-2 SP (#10-32)
0.054 in. 0.056 in. (Min.) 0.344 in. {}
  Results 1 - 12 of 12 1