F4/1 - Unheaded
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PressFit Inserts

F4/1 - Unheaded

The F4/1 Pressfit range is a press-in expansion insert which is Ideal for use in hard thermoset compression moldings, The diamond knurl pattern grips with the internal side of the hole providing a pull-out resistance.

Equivalent to:

PSM N41 ; Spirol Series 15 (INS15) ; TR Fastenings Expansion-Sert (TR0003077)

Note: For comparison purposes only

THREADABREC. HOLE SIZEMIN. WALL THICKNESS
M23.93.23.252.4
M2.54.744.053.2
M34.744.053.2
M3.56.34.74.853.6
M47.95.55.654
M59.46.36.454.8
M612.67.98.056
M812.69.59.657

Further Information About This Product

Product Advantages

  • Easy to install
  • No expensive equipment required
  • High torque performance

Applications

  • Hole Preparation: Moulded holes are recommended. The hole diameter is measured at the point where the bottom of the insert meets the moulded hole
  • Installation: The insert must be installed using a slow, squeezing action. The insert must be allowed to rotate as it is installed
  • Wall Thickness: The wall thickness is critical to prevent cracking, and should be no less than half the specified hole diameter
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