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  • Pre-bulbed Insert
  • Pre-Bulbed Threaded Insert 2
  • Designed for superior pullout resistance in plastics and thin sheet metal.
  • Pre-bulbed design requires less installation load.
  • Pre-bulbed inserts require less installation load than straight shank and require slightly larger mounting hole size.
  • Other materials available.
NOTE: The Atlas® spin-spin or spin-pull tool can be used to install pre-bulbed inserts. Material hardness will affect the published grip ranges. Trial installations of this product in your application are recommended. We will be happy to provide samples for this purpose.
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Part #

Thread Size

Grip Range

A ± .015

M Ref.

Hole Size in Sheet + .006 - .000

Fastening

Standard Material

CAD

N/A #10-32 N/A .020 - .175 in N/A .781 in N/A N/A .336 in N/A Uninstalled N/A Low Carbon Steel N/A
N/A #10-32 N/A .020 - .175 in N/A N/A .425 in N/A .336 in N/A Installed N/A Low Carbon Steel N/A
N/A #10-32 N/A .175 - .320 in N/A .921 in N/A N/A .336 in N/A Uninstalled N/A Low Carbon Steel N/A
N/A #10-32 N/A .175 - .320 in N/A N/A .425 in N/A .336 in N/A Installed N/A Low Carbon Steel N/A
N/A 1/4-20 N/A .020 - .280 in N/A 1.000 in N/A N/A .390 in N/A Uninstalled N/A Low Carbon Steel N/A
N/A 1/4-20 N/A .020 - .280 in N/A N/A .520 in N/A .390 in N/A Installed N/A Low Carbon Steel N/A
N/A 1/4-20 N/A .280 - .500 in N/A 1.235 in N/A N/A .390 in N/A Uninstalled N/A Low Carbon Steel N/A
N/A 1/4-20 N/A .280 - .500 in N/A N/A .520 in N/A .390 in N/A Installed N/A Low Carbon Steel N/A
N/A 5/16-18 N/A .020 - .280 in N/A 1.141 in N/A N/A .500 in N/A Uninstalled N/A Low Carbon Steel N/A
N/A 5/16-18 N/A .020 - .280 in N/A N/A .775 in N/A .500 in N/A Installed N/A Low Carbon Steel N/A
N/A 5/16-18 N/A .280 - .500 in N/A 1.375 in N/A N/A .500 in N/A Uninstalled N/A Low Carbon Steel N/A
N/A 5/16-18 N/A .280 - .500 in N/A N/A .775 in N/A .500 in N/A Installed N/A Low Carbon Steel N/A
N/A 3/8-16 N/A .020 - .280 in N/A 1.218 in N/A N/A .594 in N/A Uninstalled N/A Low Carbon Steel N/A
N/A 3/8-16 N/A .020 - .280 in N/A N/A .775 in N/A .594 in N/A Installed N/A Low Carbon Steel N/A
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