Formerly Emhart Teknologies & Infastech

Standards & Specifications

Heli-Coil inserts and tooling comply with the following industry standards and specifications:

NASM122076 through NASM122275
Insert, Corrosion-Resistant Helical Coil Coarse Thread (Inch Series)

NASM124651 through NASM124850
Insert, Corrosion-Resistant Helical Coil Fine Thread (Inch Series)

NASM21209
Insert, Screw Thread, Self-Locking (Inch Series)

NASM33537
Insert, Standard Dimensions, Assembly (Inch Series)

NASM8846
Insert, Screw Thread, Helical Coil (Inch Series)

MA1565
Insert, Screw Thread, Helical Coil (Metric Series)

MA1567
Insert, Screw Thread, Helical Coil, Standard Dimensions, Assembly (Metric Series)

MA3279, 3280, 3281
Insert, Screw Thread, Helical Coil, Free-Running (Metric Series)

MA3329, 3330, 3331
Insert, Screw thread, Helical Coil, Screw-Locking (Metric Series)

AS59158
Tools for Inserting and Extracting Helical Coil Inserts

NAS1130
Inserts, Screw Thread, Helical Coil, Free-Running and Screw-Locking (Inch Series)

FED-STD-H28
Screw Thread Standards for Federal Services

AS1394 thru 3097

AS1229 thru 3083
Special Locking Torque Inserts

ASME B18.29.1
Insert, Screw Thread, Helical Coil (Inch Series)

ASME B18.29.2M-2005
Helical Coil Screw Thread Inserts, Free-Running and Screw-Locking (Metric Series)

AGS3600-3699
Insert, Screw Thread, Screw-Locking, Helical Coil, Cadmium-Plated (Inch Series)

AGS4677 Series
Insert, Screw Thread, Screw-Locking, Helical Coil, Cadmium-Plated (Metric Series)

AS6733
Inserts, Wire Thread, Unplated (UNF)

AS6734
Inserts, Wire Thread, Unplated (UNC)

AS8455
Inserts, Wire Thread, Cadmium-Plated (UNF)

AS8456
Inserts, Wire Thread, Cadmium-Plated (UNC)