Type 27 Type 28 Type 29 Norton depressed center wheels are the industry’s most advanced line of high performance and value products . Typical Applications: • Metal fabrication • Petrochemical maintenance • All weld grinding • Shipbuilding • Foundry – notching and removing gates and risers • Pipeline – root pass grinding, pipe beveling and repair • Construction – masonry/concrete fabrication inclined surfaces • Optimized grade profile BEST    NorZon Plus Depressed Center Wheels – Type 27 Features: Benefits: • Premium, combination of • 50 to 200% better overall performance versus   Norton SG (ceramic alumina)     competitive zirconia wheels   and NorZon (zirconia alumina • Lowest total grinding cost; highest productivity • An advanced bond system • Up to 10x the performance of aluminum oxide wheels • 50% or better cut rate than competitive wheels • Excellent performance on all grinding jobs from gray iron to exotic alloys and stainless steel • The fastest cutting zirconia wheel on the market;   easy on the operator and equipment BETTER    Charger Plus Depressed Center Wheels – Type 27 Features: Benefits: • A new blend of zirconia alumina   • Performance enhancement of 30% in cut rate and life   and aluminum oxide – with more   • 3 times the life of aluminum oxide wheels   NorZon (zirconia) grain • Ideal for stainless steel and carbon steel applications • Efficiently grinds a variety of material from alloys and stainless      to gray iron • Excellent performance to price ratio lowers total grinding costs BETTER    Charger Foundry Depressed Center Wheels – Type 27 Features: Benefits: • A unique blend of aggressive • Ideal for a broad range of foundry applications – including   zirconia alumina and versatile     ductile/gray iron, steel, nonferrous, soft metals (brass, bronze,   silicon carbide abrasives   copper) and dirty, scale - covered castings • Advanced bond system • Maximizes cutting ability while minimizing wheel wear – • Triple - reinforced 1/8” thick wheels      reducing total wheel cost • 1/4” thick wheels have coarse • Designed to remove and grind gates and risers   grit dispersed throughout the wheel • May be used on bottom and face of wheel to clean parting lines, • 9” heavy - duty, triple - reinforced   pads, slag and scale   1/4” thick wheels • Designed to withstand the most aggressive foundry applications 3