Infastech Intellectual Properties Pte. Ltd.

Senthilukumaran Kothandaraman

Cheng Siong Phua

A threaded fastener having a threaded portion with a ratio of pitch diameter to minor diameter less than 1.28, and the threaded portion with a major diameter portion, a leading flank having a normal angle between 10&#xb0; and 60&#xb0;, a trailing flank having a normal angle between 1&#xb0; and 30&#xb0;, and a shank portion extending between the trailing flank and the leading flank of adjacent threads of a arcuate surface having a radius greater than the thread height. The arcuate surface forming the shank portion may have a radius between 1.2 and 1.8 times the thread height.

Growing community of inventors

Cuddalore, India

Senthilukumaran Kothandaraman