Helicoil - Tangless Inch & Metric Inserts

Tangless threaded inserts provide many advantages over Tanged inserts. They eliminate the need for tang break off and tang retrieval and allow for non-destructive insert removal. Tangless inserts are easily adjusted and easily removed after installation.Inch and metric size inserts are available in stainless steel and gall resistant (or Nitronic 60) materials. Finish options include Primer Free II, Dry Film Lube (and Cadmium when required by Mil Spec.)

Tangless Insert

Features and Benefits:
• Stronger Assemblies
Threads are stronger due to the flexibility of the insert providing
a balanced distribution of the load
• Cost Reduction
Decreased installation and inspection time.
• Bi-Directional Design
Installs quickly and easily from either end
• FOD Design
No Foreign object debris with no tang to remove; ideal for
critical electronics applications

Nominal
ThreadSize
Type      Number of Coils
FreeRunningScrew-LockingSizeNominal LengthFree Outside Dia.Nominal Length
Designation1 Dia.1 1/2 Dia.2 Dia.Min.Max.1 Dia.1 1/2 Dia.2 Dia.
Unified (inch) coarse thread
2 (.086)-56 T1185 T3585 02C .086 .129 .172 .110 .119 3 5-1/4 7-3/8
4 (.112)-40 T1185 T3585 04C .112 .168 .224 .144 .159 2-3/4 4-3/4 6-3/4
6 (.138)-32 T1185 T3585 06C .138 .207 .276 .178 .193 2-3/4 4-3/4 6-7/8
8 (.164)-32 T1185 T3585 2C .164 .246 .328 .205 .220 3-1/2 6 8-3/8
10(.190)-24 T1185 T3585 3C .190 .285 .380 .244 .259 2-7/8 5 7-1/8
1/4(.250)-20 T1185 T3585 4C .250 .375 .500 .310 .330 3-3/8 5-3/4 8
Unified (inch) fine thread
10(.190)-32 T1191 T3591 3C .190 .285 .380 .236 .256 4-1/8 6-7/8 9-1/2
1/4( (.250)-28 T1191 T3591 4C .250 .375 .500 .326 .306 5 8-1/4 11-3/8

Tangless Image

200 OK

OK

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