Kennametal's KenTip modular carbide tip drilling line features tips that can be changed without being removed from the machine

Kennametal's new KenTip modular carbide tip drilling line features tips that can be changed without removing them from the machine. The drills are available in inch sizes, ranging from 5/16 to 5/8, and metric sizes from 8 mm to 16 mm.

"The new KenTip line offers up to 10 times higher productivity than conventional high-speed drills," said Chet Parzick, senior product manager for Kennametal. "The elimination of hardware reduces setup time by eliminating the need to remove the drill from the machine to change the tip, and also eliminates the need to stock parts for the tool."

The key to the higher productivity of the KenTip drills is the HP geometry, which provides a high positive rake angle. The wide chip flutes and SE drill point geometry ensure high penetration rates. The geometry also comes with a heavy hone edge treatment that protects the cutting edge. It is offered in grade KC7315, which has an advanced TiAIN coating that delivers resistance to heat and abrasion, making it possible to run at normal spindle speeds. The grade's tough substrate helps prevent chipping, a common failure in drilling.

The drills feature a patented cam-actuated clamping mechanism that requires only one-quarter turn to lock or unlock the tip into the body. An insertion and removal tool is supplied with each drill. Drill bodies are available in lengths of 3 times and 5 times the hole diameter. The initial offering consists of round shank bodies that are suitable for high-performance holding devices, such as shrink-fit adapters, hydraulic chucks, power grip chucks, and collet chucks. One drill body also can accept tips in multiple grades. Although the initial offering includes only one grade for steels, others will be available in the future. Kennametal, www.kennametal.com Enter 201

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