PennEngineering
PennEngineering
Corporate Headquarters – Danboro, PA
5190 Old Easton Rd.
Danboro, PA 18916
Phone: 215-766-8853
Toll-Free Phone: 1-800-237-4736 (U.S. only)
Email: info@pemnet.com
Website: www.pemnet.com
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  • Designed for high load applications. Countersunk feature allow fastener to be installed flush with sheet surface.
  • Both UNC and UNF threads available in No. 10 and larger thread sizes. Check for availability of other grip ranges and designs.
Countersunk Head
Countersunk Head Threaded Insert - Unified 2
Unit of Measure
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Part #

Thread Size

Grip Range

L ± .015

Fastening

Standard Material

Standard Finish

CAD

AES31B256 N/A 5/16-18 N/A .181 - .256 in N/A 1.312 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES31B256 N/A 5/16-18 N/A .181 - .256 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES31B331 N/A 5/16-18 N/A .256 - .331 in N/A 1.406 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES31B331 N/A 5/16-18 N/A .256 - .331 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES31B406 N/A 5/16-18 N/A .331 - .406 in N/A 1.468 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES31B406 N/A 5/16-18 N/A .331 - .406 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES31B481 N/A 5/16-18 N/A .406 - .481 in N/A 1.562 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES31B481 N/A 5/16-18 N/A .406 - .481 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES31B556 N/A 5/16-18 N/A .481 - .556 in N/A 1.625 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES31B556 N/A 5/16-18 N/A .481 - .556 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B211 N/A 3/8-16 N/A .125 - .211 in N/A 1.375 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B211 N/A 3/8-16 N/A .125 - .211 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B296 N/A 3/8-16 N/A .211 - .296 in N/A 1.468 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B296 N/A 3/8-16 N/A .211 - .296 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B381 N/A 3/8-16 N/A .296 - .381 in N/A 1.562 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B381 N/A 3/8-16 N/A .296 - .381 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B466 N/A 3/8-16 N/A .381 - .466 in N/A 1.656 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B466 N/A 3/8-16 N/A .381 - .466 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B551 N/A 3/8-16 N/A .466 - .551 in N/A 1.75 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B551 N/A 3/8-16 N/A .466 - .551 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B636 N/A 3/8-16 N/A .551 - .636 in N/A 1.859 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES37B636 N/A 3/8-16 N/A .551 - .636 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES50B226 N/A 1/2-13 N/A .125 - .226 in N/A 1.406 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES50B226 N/A 1/2-13 N/A .125 - .226 in N/A N/A Installed N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
AES50B326 N/A 1/2-13 N/A .226 - .326 in N/A 1.515 in N/A Uninstalled N/A Low Carbon Steel N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II N/A CAD Icon (for items table)
Unit of Measure
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