These fasteners have been designed to provide a metallic deep tapped thread into resin based printed circuit boards.
Advantages
- Simple press-in installation
- High pull-out
- Guaranteed not to crack brittle PCB
Design Guide
Hole Preparation
Holes must be held to a tolerance of -0.000 +0.075mm.
Installation
All Self-Broaching fasteners are easy to install as no special tooling is required. However – this must always be carried out using a squeeze action – never a shock load.
Positioning the Fastener
The recommendations given in the table must be closely followed to prevent chipping at the edge of the board.
Technical Data
STANDARD MATERIAL - Mild Steel (Electrotinned)
Dimensions
Standoff - Lengths Available ('L')
How to Specify
Recommended Installation Sequences
How to Specify
The insert must be installed by a steady squeeze action press with tooling that will allow the insert to rotate.
Care must be taken during installation to ensure that the insert is kept axially square, avoiding side loads that may damage the boss.
Printed Circuit Board Fasteners
1. Form a hole in the material to size recommended and install the fastener square in the hole.
2. Apply pressure to the
head of the fastener sufficient to totally install the broaching feature into the board, locking the fastener securely in place.
3 . Insert fixing screw or bolt from side opposite to the fastener head.
Screw-Sert Inserts & Studs
The insert must be installed by a steady squeeze action press with tooling that will allow the insert to rotate.
Care must be taken during installation to ensure that the insert is kept axially square, avoiding side loads that may damage the boss.
Total Assembly Solutions
PSM’s philosophy is to provide a total package of fastener design, prototype production, application advice, installation systems and technical liaison for design and production engineers worldwide.
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