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M4 Brass Headed Press In Spiro Inserts (Bag of 100)

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PSM Internationall HSR-B-M4

M4 Brass Headed SPIRO® Inserts for plastics.

Ideal for use in hard brittle thermoset materials, Spiro are press in inserts which, due to the sharp precision knurl pattern, cuts into these materials reducing radial stresses.

  • Easy press in insertion
  • Thinner boss walls than many other inserts
  • Recommended for brittle thermosetting materials
More Information
Manufacturer PSM International
Part Number HSR-B-M4
Material Brass
Finish None
Installation Simple Press
Thread M4
Length 7.4mm
Head Height 0.89mm
Head Diameter 7.1mm
Body Diameter 5.8mm
Hole Size 5.4mm
Hole Tolerance -0.0mm / +0.1mm
MIN Wall Thickness 2.5mm