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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.)
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 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
FreeRunning | Screw-Locking | Size | Nominal Length | Free Outside Dia. | Nominal Length | ||||||
Designation | 1 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 |