The FLEX-18 Spin-Pull Tool is the strongest rivet nut installation tool on the market with a pulling force of 18,000 lbs. (80 kN) & 15mm (.591 inches) of available stroke. The tool is capable of installing rivet nuts from 5/16-18 to 3/4-16 and M8 to M20. The tool offers the flexibility of both pull to pressure and pull to stroke installation methods based on application requirements.