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OEM Fastening Systems | Special Components & Fastening Systems
Our HC Series headed chevron threaded inserts offer the same benefits as the C Series, plus a flanged head for a greater load-bearing surface in weaker plastics. This headed insert offers a large contact area for electrical connections and greater pull-out strengths for reverse entry applications.
Unit of Measure


Thread Size

N/A 1/4-28


N/A Inch

Dimension A

N/A 0.375 in

Tolerance for A

N/A ±0.004 in

Dimension B

N/A 0.500 in

Tolerance for B

N/A ±0.004 in

Dimension C

N/A 0.300 in

Tolerance for C

N/A ±0.004 in

Flange Thickness (D)

N/A 0.050 in

Hole Size (H)

N/A 0.315 in

Tolerance for Hole Size (H)

N/A +0.003 in-0.000 in

Minimum Boss

N/A 0.630 in

Industry Standards/Certifications

N/A NQA ISO 9001 ANAB Accredited RoHS Compliant
AztechDelta PT
SEMSTaptite 2000