Broaching Nuts
Self-Clinching & Weld Fasteners

Broaching Nuts

Threaded nuts for PCBs and non-ductile materials.

Section
Self-clinching
Type
Nuts
Request a quote All self-clinching

Overview

Broaching nuts install into PCBs and other non-ductile panels, giving strong, permanent threads where a standard clinch nut cannot be used.

Full dimensions, preferred lengths and installation / push-out / torque-out performance data are in the tables below, taken from the self-clinching fasteners catalogue.

Specifications

Part numbersSG-KF2, SG-KFS2
Electro Tin Plated SteelSG-KF2
Stainless SteelSG-KFS2
SizesM2, M2.5, M3, M3.5, M4, M5
Sheet hardness (SG-KF2)HRB 60 or less

Dimensions & performance data

All dimensions in mm unless stated. Values from the self-clinching fasteners catalogue. Install into sheet within the hardness limits shown in the specifications.

Dimensions (mm)

ThreadM2M2.5M3M3.5M4M5
C max.1.531.531.531.531.531.53
B ±0.084.194.684.685.886.867.37
A ±0.135.565.565.567.08.749.53
D ±0.131.51.51.51.62.03.0
Min. sheet thickness1.531.531.531.531.531.53
Recommended hole size +0.083.734.224.225.56.406.90
Min. distance to edge of sheet4.24.44.45.56.47.1

Performance data: SG-KF2 / SG-KFS2 (test sheet: FR4 fiberglass, 1.5 mm)

ThreadM2M2.5M3M3.5M4M5
Installation (kN)2.22.22.22.22.2
Torsional resistance (Nm)1.361.362.063.754.55
Pushout (N)200200210335355

Key features

  • For PCBs and plastics
  • Tin-plated steel or stainless
  • Permanent thread

Applications

PCB assembliesPlastic panelsElectronicsInstrumentation
Need a size, grade or finish not listed?We also supply special and non-standard parts to drawing.Send enquiry

More self-clinching

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Flush Nuts

Clinch nuts that finish flush on both sides of the sheet.

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Blind Nuts

Closed-end clinch nuts that seal and protect the thread.