Wire Thread Insert without Tail

There are two styles of tangless inserts. “Free-Running” Tangless Thread Insert provide a smooth free-running thread. The “Screw-Locking” tangless insert provides self-locking torque on the male member by a series of “chords” on one or more of the insert coils.

Save time and reliably meet a wide range of installation challenges with Helisert Tangless Thread Insert.

Company Overview

Shenyang Liming Mechanical Component(Helisert Inserts), is the flagship company in China for thread inserts. We supplied to Chinese military and aerospace since 1998 and our founder start to analyze thread inserts since 1965, at Shenyang Liming Group.

After more than 25 years` developing, our HELISERT, including wire thread insert, keylocking Insert, self-tapping insert and other type of thread insert, has already achieved all-automatic production and keep supplying to Chinese military, aerospace, automobile and exporting.

Size Range:
Metric sizes: M2 to M12 (Other sizes on request)
Inch Unified: #2-56 to 1/2-13（Other sizes on request）
BSF, BSW and pipe thread sizes on request.

Material:  
304 Stainless Steel
316 Stainless Steel
Inconel X-750 
Nitronic 60/ Nimonic 90
Bronze/ Aluminum

Finishes& Coating:
Dye Coating(Green, Red, Blue. Etc.)
Cadmium Plating 
Silver Plating
Dry Film Lubricants