Design and Fabrication of a Multi Nut Removal Tool

Author(s)	Harshal Patel, Shaik Dawood, Shaikh Abdul Muizz, Syed Sohail
Country	India
Abstract	In the automotive and industrial sectors, maintenance operations often involve the removal and tightening of multiple nuts and bolts. Conventional tools such as spanners and wheel wrenches require each nut to be operated individually, resulting in increased maintenance time, operator fatigue, and reduced productivity. This paper presents the design and fabrication of a multi nut removal tool capable of loosening or tightening multiple nuts simultaneously through a gear-driven mechanism. The system is designed to distribute torque uniformly to multiple sockets, ensuring efficient operation while minimizing manual effort. The design process included literature review, conceptual design, computer-aided modeling using CATIA software, component selection, fabrication, assembly, and testing. Experimental evaluation demonstrated a significant reduction in operation time compared with traditional methods. The developed prototype is economical, user-friendly, and suitable for automotive workshops and industrial maintenance applications.
Keywords	Multi nut removal tool, Gear mechanism, Torque transmission, Automotive maintenance, Fabrication, Mechanical design.
Field	Engineering
Published In	Volume 7, Issue 3, May-June 2026
Published On	2026-06-16

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