Diamond stones in Sunnen’s 12-stone honing head have been a great aid in achieving good bore geometry on the total cylinder length, Ferri says. "Winning finish" has a dual meaning for Elite ...

Automatic hone helps machine gunners hit their mark. HTB-2000 tube hones from Sunnen Products Co., St. Louis, let a maker of .50-caliber machine gun barrels beat MIL-Spec accuracy by a factor of two ...

For a business to thrive, it must have the means and strategies to negotiate economic peaks and valleys. A custom manufacturer of engine blocks for racing and high-performance vehicles — and also ...

HydraForce Inc. President and CEO Jim Brizzolara credits lessons learned on a Sunnen hone at his first job in 1966 in a hydraulic valve factory with helping him understand how precision bore finish ...

Cutting Edge Engineering Australia showcases the Sunnen HTA-4100 machine in action. While Trump insisted the Iran war would end 'soon,' an account in his name was buying millions in oil, defense and ...