Home > Electro-Mechanical Components > Penn Engineering

Penn Engineering

PEM® Fasteners

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. microPEM

Nuts For Sheet Metal

  • Floating – A4, AS, AC, LA4, LAC, LAS
  • Blind – B, BS
  • Standard – CLA, CLS, CLSS, H, HN, S, SS, SMPP, SMPS, SP
  • Flush – F, F4
  • Miniature – FE, FEO, FEOX, FEX, U, UL
  • All Metal, Locking Thread – FE, FEO, HNL, LA4, LK, LKA, LKS, SL, UL
  • Nylon Insert, Locking Thread- CFN, PL, PLC
  • Right Angle, R’ANGLE® – RAA, RAS
  • Installing Into Stainless – A4, LA4, SP
  • Spinning Flare Nut – SFN
  • Hard Panel Nut – SH

Studs and Pins For Sheet Metal

  • Concealed Head – CFHA, CFHC, CHA, CHC
  • Flush-Head – FH, FH4, FHA, FHP, FHS
  • Flush-Head Stud with X-Press Threads- FHX
  • Flush-Head, Low Displacement – FHL, FHLS
  • Heavy Duty, Non Flush – HFH, HFHB, HFE, HFHS, THFE
  • Hard Panel Stud – HFLH
  • High Tensile Strength, Non Flush – HF109, HFG8
  • Thin Sheet, Non Flush – TFH, TFHS
  • Unthreaded Pins, Flush – TP4, TPS, TPXS
  • Installing Into Stainless – FH4, FHP, TP4
  • microPEM®, Self-Clinching- MPP
  • Swaging Collar Studs, Non Flush – SGPC
  • microPEM® TackSert® Pins – TKA, TK4

Standoffs For Sheet Metal

  • Concealed-Head – CSOS, CSS
  • Keyhole® – SKC
  • Blind, Threaded – BSO, BSO4, BSOA, BSOS
  • Thru-hole, Threaded and Unthreaded – SO, SO4, SOA, SOS
  • For Installing Into Stainless – BSO4, SO4, TSO4
  • Thin Sheet, Thru-hole Standoffs – TSO, TSOA, TSOS
  • Snap-Top® – SSA, SSC, SSS
  • Grounding – SOAG, SOSG
  • Close-To-Edge – DSO, DSOS
  • microPEM®, Self-Clinching – MSO4
  • Thin Sheet, Thru-hole Standoffs for Installation into Stainless Steel- TSO4

Captive Panel Screws And Hardware

  • Large Knob, Spring-Loaded – PF11, PF11M, PF11MF, PF11MW, PF12, PF12M, PF12MF, PEM C.A.P.S®, PF12MW
  • Low Profile Knob, Spring-Loaded – PF30, PF31, PF32, PF50, PF60,
  • Screw Head, Spring-Loaded – PFC2, PFS2, PF7M, PF7MF
  • Screw Head, No Spring – PFHV
  • Tool Only, Non Flush, Spring-Loaded – PFC2P, PFC4
  • Tool Only, Flush Mounted, No Spring – N10, PR10, PS10
  • Tool Only, Spinning Clinch Bolt, No Spring – SCB, SCBJ
  • Tool Only, Spinning Clinch Bolt, With Spring – SCBR
  • For Installing Into Stainless – PFC4, PF11MF, PF12MF, PF11MW, PF12MW, PF7MF
  • Locating Pin, Spring-Loaded – PSL2, PTL2
  • Heat Sink Mounting Fastener System – HSCB, HSR, HSL

Sheet-To-Sheet Attachment

  • Metal To Metal, SpotFast® – SF, SFP
  • Metal To Metal Hinging With Washer, SpotFast® – SFW
  • Metal To Plastic, SpotFast® – SFK
  • Panel To Panel, KEYHOLE® Style – SKC-F
  • Metal To Metal, For Installing Into Stainless, SpotFast® – SFP
  • microPEM®, Self-Clinching TackPin® – Type T
  • microPEM® TackScrew Fasteners – TS4

Cable Tie-Mounts And Hooks For Sheet Metal

  • Standard Tie-Mount, TY-D® – TD
  • Hook Style Tie-Mount, TY-D® – TDO

For Mounting Into Printed Circuit Boards

  • Captive Screws, Broaching – PFK
  • Captive Screws, Surface Mount – SMTPR, PSHP
  • Captive Screws, Other – PF11MF, PF11MW, PF12MF, PF12MW
  • Nuts, Broaching – KF2, KFS2
  • Nuts And Spacers/Standoffs, Surface Mount – SMTSO
  • Tin Plated Brass Nuts And Spacers/Standoffs, Surface Mount – SMTSOB
  • microPEM® Nuts/Standoffs, Surface Mount – SMTSO
  • Standoffs, Broaching – KFE, KFSE
  • Standoffs, SNAPTOP® – KSSB
  • Standoffs, Flare Mount – KFB3
  • Studs, Broaching – KFH
  • Nuts, R’ANGLE® – SMTRA
  • Heat Sink Mounting Fastener System – HSCB, HSR, HSL

microPEM® Fasteners

  • microPEM®, Self-Clinching Pins – MPP
  • microPEM®, Self-Clinching Standoffs – MSO4
  • microPEM®, Self-Clinching TackPin® – TA, T4
  • microPEM®, Surface Mount Nuts/Standoffs – SMTSO
  • microPEM®, Thru-Threaded Inserts For Plastic- MSI
  • microPEM® TackSert® Pins – TKA, TK4
  • microPEM® TackScrew Fasteners – TS4


Weld Nuts

  • Weld Nuts – WN, WNS

VariMount® Bonding Fasteners

  • Base plate provides generous footprint for surface bonding or mold-in mounting.
  • Multiple radial holes in base plates encapsulate adhesives or molded plastics.
  • Radial holes accept standard sized rivet diameters.
  • Radial holes accept standard sized self-clinching fasteners.
  • Assemblies can be mounted on front or through back of panels.
  • Proven PEM self-clinching fastener technology permanently holds fastener to base plate.
  • Variety of fasteners available.

Pem Atlas Catalog

Pem® captive panel screws

PEM® Self-clinching fasteners

Concealed-head self-clinching studs and standoffs

Fasteners for use with pc boards

Self-clinching nuts

Penn Engineering Self-clinching fastener handbook

penneginering self clinching nuts

penneginering short-form catalog