Steel Keylocking Insert

Key Locking Thread Inserts are solid, one-piece, key-locking inserts for use in original equipment or used to repair damaged threads. The key Thread Insert locking keys provide a positive mechanical lock which prevents rotation due to vibration or torsion. Recoil Key Locking Inserts are available in carbon or stainless steel, Self finished or passivated or coated, both in inch and metric series. and as Thin walled, Heavy Duty, Extra Heavy Duty designs. Key insert provide strong, permanent metal threads in virtually any material ferrous, non-ferrous or non-metallic. And are available In the widest available choice of standard sizes, lengths, materials and types.

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 M42 (M1.2, M1.6 and larger sizes on request)
Inch Unified: #2-56 to 1 1/2-6（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