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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-open-end-keyless
Countersunk Head Threaded Insert - Unified 2
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Item #

Thread Size

Fastening

Standard Material

Standard Finish

CAD

AENM25-271 N/A 1/4-20 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM25-271 N/A 1/4-20 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM25-331 N/A 1/4-20 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM25-331 N/A 1/4-20 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM25-391 N/A 1/4-20 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM25-391 N/A 1/4-20 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM25-451 N/A 1/4-20 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM25-451 N/A 1/4-20 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-181 N/A 5/16-18 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-181 N/A 5/16-18 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-256 N/A 5/16-18 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-256 N/A 5/16-18 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-331 N/A 5/16-18 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-331 N/A 5/16-18 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-406 N/A 5/16-18 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-406 N/A 5/16-18 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-481 N/A 5/16-18 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-481 N/A 5/16-18 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-556 N/A 5/16-18 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM31-556 N/A 5/16-18 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM37-211 N/A 3/8-16 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM37-211 N/A 3/8-16 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM37-296 N/A 3/8-16 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM37-296 N/A 3/8-16 N/A Installed N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
AENM37-381 N/A 3/8-16 N/A Uninstalled N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A
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