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HeliCoil Tangless Inserts from Emhart Technologies eliminate tang break-off and retrieval in critical applications and are easily adjusted 
or removed after installation. As with HeliCoil tanged inserts, virtually no stress is induced in the parent material and as a result, no 
staking, swaging or keying in place is necessary.

HeliCoil Tangless Screw Thread Inserts

HeliCoil Tangless Inserts are available in three lengths: 1, 1-1/2 and 2 times the diameter of the bolt.

HeliCoil Tangless Inserts are made from 304 Stainless Steel and can be ordered with a Cadmium Plate finish (Y), Dry Lube finish (W), 
or none. 

•HeliCoil Tangless Inserts may be installed by hand or power tooling with the same mandrel assembly
•HeliCoil Tangless Tools utilise a “blade” that applies torque to a notch in the end of the HeliCoil Tangless Insert for installation
•Installation depth can be adjusted easily for virtually any application
•Driving blades are replaceable and  increase the overall life of the HeliCoil Tangless installation tool

•Bi-Directional Design
   Allows the insert to be installed quickly and easily from either end

•Stronger Assemblies
   Tapped threads are strengthened because the inherent flexibility of the HeliCoil Tangless Insert provides a more balanced distribution 
   of static and dynamic loads throughout the engagement length

•Eliminate Stress
   Virtually no stress is induced in the parent material as no staking, swaging, or keying in place is required

•Positive Self-Locking Torque
   HeliCoil Tangless screw-lock inserts provide a positive, self-locking torque

•Minimise Space & Weight
   HeliCoil Tangless Inserts require smaller boss than solid inserts, minimising total in-place cost