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Fasteners: Threaded Inserts

Squaresert® - Large Flange / Open End

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Description
Specifications
Installation Tools
Interactive Demo
Materials Sizes Product Series Data Sheets
Steel M5, M6, M8 0GK08 Metric



Description

The Squaresert™ insert (offered in metric sizes only) is a steel, square shaped, bubbling insert offered with a large flange. Bubbling means that during the installation process, the insert collapses into a bubble shape on the backside of the application material. The application material is clamped between the flange of the insert and the bubble shape resulting in high resistance to pull-out loads. Because the insert forms a bubble on the backside of the application, the Squaresert™ insert cannot be used in blind hole applications.

The bubble also serves as a load bearing surface, which absorbs the force of setting the insert. Otherwise the setting force, or clamp load, could spread into the application material and might damage the material. This makes the Squaresert™ insert ideal for use in thin sheet, soft, brittle and low strength materials.

The square shape of the Squaresert™ insert offers the greatest resistance to turning of any threaded insert. The square shape improves torque-to-turn in metallic sheets by up to 350% compared to plain body inserts making the Squaresert™ insert ideal for automotive body mountings requiring maximum turning resistance. The large flange provides a large load bearing surface, reinforces the application hole and prevents push through.

Features

  • Square section and bore improves torque-to-turn by up to 350% in sheet metal compared to round body inserts
  • Increases punch life compared to hexagonal geometries
  • Superior pull-out performance
  • Can be used for very thin sheet materials from 0.50mm (0.02")
  • Access needed from only one side of the application, for high speed assembly
  • Provide a female thread in application
  • Can be installed in pre-coated or post painted applications without damaging the surface
  • Clamp two or more sheets
  • Various platings available to increase corrosion resistance
  • Large flange head provides a load bearing surface and reinforces the hole to prevent push-out
  • Can be used as a spacer and can be supplied with an underhead seal
  • Can be used with hand tools, pneumatic tools and fully automated machines to suit a wide range of assembly methods
Assembly Material
  • Metal to metal
Typical Applications
  • Automotive body mountings
  • Electrical enclosures
  • Soft sheet metal
  • Plastics & composites
  • Domestic appliances
  • General light fabrication



Specifications

Find fasteners based on application parameters

Click part numbers to view suggested tools

Thread Part Number Material A/F
+0.1
Grip
(e)
A
max.
B
max.
D
max.
J
max.
M
max.
P
max.
M5 x 0.8 0GK08-72514 Steel 7.30 0.50-1.50 7.10 10.90 0.65 10.40 11.40 8.20
M5 x 0.8 0GK08-72516 Steel 7.30 1.50-3.00 7.10 10.90 0.65 10.40 13.00 8.20
M6 x 1.0 0GK08-72619 Steel 9.30 0.50-2.00 9.10 13.50 0.95 13.50 15.50 9.90
M6 x 1.0 0GK08-72622 Steel 9.30 2.00-4.00 9.10 13.50 0.95 13.50 17.50 9.90
M8 x 1.25 0GK08-72823 Steel 11.30 1.00-3.00 11.10 18.00 1.65 16.40 18.90 11.80


Thread Size Recommended
max torque
Nm max.
Pull-out
kN
Torque-to-turn
Nm min.
Push-out
kN
M5 x 0.8 7.9 5.5 10.2 2.4
M6 x 1.0 12.4 7.3 15.4 4.6
M8 x 1.25 32.0 10.5 34.0 6.5



Installation Tools

Search tools by fastener part number

Part numbers are listed in order of base tool (no nose equipment), nose assembly, complete tool (includes nose equipment).
Size Series Installation Tools
(Standard setups. Contact Avdel® for options.)
74200 74201 74401
M5 0GK08 74200-12000
07555-09885
74200-00085
74201-12000
07555-09885
74201-00085
74401-01000
07555-09885
74401-00085
M6 0GK08 74200-12000
07555-09886
74200-00086
74201-12000
07555-09886
74201-00086
74401-01000
07555-09886
74401-00086
M8 0GK08 74200-12000
07555-09888
74200-00088
74201-12000
07555-09888
74201-00088
74401-01000
07555-09888
74401-00088



Interactive Demo

• 0GK08 - Large Flange / Open End - Steel