Apex Brands, Inc.

Hutchison Medipharma Limited

Abbvie Bahamas Limited

Jianguo Ji

Wei-Guo Su

Christopher L Lynch

Tao Li

Murali Gopalakrishnan

Wei Deng

Minglin Shi

Jinshui Li

Liansheng Zhu

Bolt extractor

A threaded fastener extractor (or) includes a drive end configured to interface with a powered driver where the drive end has a shaft, and an engagement end coupled to the drive end coaxial with the drive end about an axis. The engagement end is configured to engage with an extraction hole () formed in a threaded fastener (). The engagement end includes side cutting edges (or) disposed on lateral sides of the engagement end and end cutting edges (or) disposed at a distal end of the engagement end. The side cutting edges (or) and the end cutting edges (or) each provides engagement areas for torque transfer between the extractor (or) and the threaded fastener ().

Bolt extractor with distal end engagement areas

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Shanghai, China

Jianguo Ji