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Online literature contains the most current information available.
  • Designed for superior pullout resistance in plastics and thin sheet metal.
  • Straight shank design uses smaller mounting hole.
  • Other materials available.
NOTE: The Atlas® spin-pull tool is recommended to install straight shank 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.
Unit of Measure

Thread Size

N/A 5/16-18

Grip Range

N/A .280 - .500 in

Identification Mark

N/A 1 Rad.

A ± .015

N/A 1.141 in a1055.jpg

øB Nom.

N/A .750 in

C Nom.

N/A .062 in

øD Max.

N/A .437 in

M Ref.

N/A .570 in

Hole Size in Sheet + .006 - .000

N/A .438 in


N/A Uninstalled

Thread Specification

N/A 2B per ASME B1.1

Standard Material

N/A Low Carbon Steel

Standard Finish

N/A RoHS Compliant Zinc Yellow

CAD Supplier

N/A PennEngineering® (Atlas®)