• RS Stock No. 278-534
  • Brand RS Pro
RS Pro
RS Pro Nickel Plated, M3 Brass Insert Diameter 4mm Depth 4.78mm
Product Details

Expansion Inserts

A range of expansion inserts suitable for use with most plastic materials, using either through or blind holes. Knurled outer diameter with expansion slots prevent rotation or loosening due to vibration and ensures consistent self-locking pressure on the fixing screws

Use in drilled or moulded-in holes
Install by simple press or hammer-in methods

Available with Flush Head (RS 278-534, RS 278-540, RS 278-556, RS 278-562, RS 278-578)
Available with Flange Head (RS 278-584, RS 278-590, RS 278-607, RS 278-613, RS 278-629)

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Thread SizeM3
Fixing Hole Diameter4mm
Body Outside Diameter4.22mm
Body Depth4.78mm
FinishNickel Plated
Thickness of Material Minimum6.7mm
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Technical Reference
  • RS Components

    Statement of conformity

    The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
    RS Stock No. 278-534
    Description RS Pro Nickel Plated, M3 Brass Insert Diameter 4mm Depth 4.78mm
    Manufacturer/Brand: RS Pro
    Mfr. Part No. 14591
    The foregoing information relates to product sold on, or after, the date shown below.
    Date Sep 22, 2017
    RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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