worldwide, mag powertrain coldforming machines are synonymous with top productivity, quality and reliability when it comes to the manufacturing of straight and angular serrations, oil grooves, threads, etc. our unique exp......worldwide, mag powertrain coldforming machines are synonymous with top productivity, quality and reliability when it comes to the manufacturing of straight and angular serrations, oil grooves, threads, etc. our unique experience enables us to provide you with the most economical solution to your specific production requirements.