Type 11 Cup Wheels, often referred to as flared or flaring cup grinding wheels, are regularly used with tool & cutter grinders (e.g. Deckel S0 / S0E, Kuhlmann SU2, Alexander, Hasberg FSS, etc). Their cup shape is designed to provide a large surface area and more clearance than a typical straight grinding wheel.

N30393, Norton 80 Grit, J-hardness wheels are the most commonly used wheels. They are excellent for grinding high-speed steel tools. Composed of aluminum oxide, they stay cool during heavy grinding making them a great option for heat-sensitive applications.

Please note that most cutter grinders like the Deckel S0 and S0E are designed for use with 20mm ID Hole cup wheels, to use these 1-1/4" ID Hole cup wheels a bushing may be required.

For grinding carbide tools, use an ARTCO Diamond Grinding Wheel.

SKU	Dimensions	Specification	Brand	Max RPM	Application(s)
N30393	4/3" Ø × 1.5" W × 1-1/4" Hole	38A80-J8VBE	Norton	5730	Tool Grinding, HSS, Finishing
34078620 (Old SKU: F102814)	4/3" Ø × 1.5" W × 1-1/4" Hole	WA80-K5-V8	Radiac	5730	Tool Grinding, Hardened Steels, Fine Finish, Light Downfeed
34079034 (Old SKU: F363373)	4/3" Ø × 1.5" W × 1-1/4" Hole	RAA802-K14-V35	Radiac	5730	Tool Grinding, Hardened Steels, 12 Rms Finish, Good Form Holding

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Deckel Cup Wheels

Norton Type 11 Flared Cup Grinding Wheels

Type 6 Straight Cup Grinding Wheels

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