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. Available with rib, key or full hex features for high torque applications.
  • Both UNC and UNF threads available in No. 10 and larger thread sizes. Check for availability of other grip ranges and designs.
Flathead
Flathead Threaded Insert - Unified 2
Unit of Measure
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Part #

Thread Size

Grip Range

L ± .015

Fastening

Standard Material

Standard Finish

CAD

AEBR25KB380 N/A 1/4-20 N/A .320 - .380 in N/A N/A Installed N/A Alloy No. 260 Brass N/A None - bright as machined N/A CAD Icon (for items table)
AECH25KB380 N/A 1/4-20 N/A .320 - .380 in N/A 1.25 in N/A Uninstalled N/A 4037 Alloy 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)
AECH25KB380 N/A 1/4-20 N/A .320 - .380 in N/A N/A Installed N/A 4037 Alloy 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)
AES31KB425 N/A 5/16-18 N/A .350 - .425 in N/A 1.531 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)
AES31KB425 N/A 5/16-18 N/A .350 - .425 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)
AEA31KB425 N/A 5/16-18 N/A .350 - .425 in N/A 1.531 in N/A Uninstalled N/A 6053 Aluminum or 6061 Aluminum N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant N/A CAD Icon (for items table)
AEA31KB425 N/A 5/16-18 N/A .350 - .425 in N/A N/A Installed N/A 6053 Aluminum or 6061 Aluminum N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant N/A CAD Icon (for items table)
AENM31KB425 N/A 5/16-18 N/A .350 - .425 in N/A 1.531 in N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
AENM31KB425 N/A 5/16-18 N/A .350 - .425 in N/A N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
AESS31KB425 N/A 5/16-18 N/A .350 - .425 in N/A 1.531 in N/A Uninstalled N/A 430 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
AESS31KB425 N/A 5/16-18 N/A .350 - .425 in N/A N/A Installed N/A 430 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
AEBR31KB425 N/A 5/16-18 N/A .350 - .425 in N/A 1.531 in N/A Uninstalled N/A Alloy No. 260 Brass N/A None - bright as machined N/A CAD Icon (for items table)
AEBR31KB425 N/A 5/16-18 N/A .350 - .425 in N/A N/A Installed N/A Alloy No. 260 Brass N/A None - bright as machined N/A CAD Icon (for items table)
AES50KB450 N/A 1/2-13 N/A .350 - .450 in N/A 1.671 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)
AES50KB450 N/A 1/2-13 N/A .350 - .450 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)
AEA50KB450 N/A 1/2-13 N/A .350 - .450 in N/A 1.671 in N/A Uninstalled N/A 6053 Aluminum or 6061 Aluminum N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant N/A CAD Icon (for items table)
AEA50KB450 N/A 1/2-13 N/A .350 - .450 in N/A N/A Installed N/A 6053 Aluminum or 6061 Aluminum N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant N/A CAD Icon (for items table)
AENM50KB450 N/A 1/2-13 N/A .350 - .450 in N/A 1.671 in N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
AENM50KB450 N/A 1/2-13 N/A .350 - .450 in N/A N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
AESS50KB450 N/A 1/2-13 N/A .350 - .450 in N/A 1.671 in N/A Uninstalled N/A 430 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
AESS50KB450 N/A 1/2-13 N/A .350 - .450 in N/A N/A Installed N/A 430 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
AEBR50KB450 N/A 1/2-13 N/A .350 - .450 in N/A 1.671 in N/A Uninstalled N/A Alloy No. 260 Brass N/A None - bright as machined N/A CAD Icon (for items table)
AEBR50KB450 N/A 1/2-13 N/A .350 - .450 in N/A N/A Installed N/A Alloy No. 260 Brass N/A None - bright as machined N/A CAD Icon (for items table)
AES37KB455 N/A 3/8-16 N/A .370 - .455 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)
AES37KB455 N/A 3/8-16 N/A .370 - .455 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)
Unit of Measure
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