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Home > Grinding Wheels > Norton 3X Blue Grinding Wheel K Grade
Norton 3X Blue Grinding Wheel K Grade
Item # : K3SG
Starting Price: $42.99
Size/Grit:
Quantity: 
 


This is the wheel that wood turners have been asking us about. The K-Grade of this wheel means it is a harder wheel. The harder grade is great for sharpening high speed steel tools without wearing grooves in the wheel. If you're a turner, you know what we're talking about. This harder grade comes at a price. We recommend the softer I-grade wheel for high carbon steel tool grinding applications. This wheel is available in a 46 grit for coarse work and a 80 grit for a little finer work. The 8" wheel has a 1" arbor hole with bushings for 7/8", 3/4" and 5/8" arbors. The 6" wheels have a 1" arbor hole with bushings for 7/8", 3/4", 5/8" and 1/2" arbors.

Norton Numbers
6 x 1 x 1 - 46 Grit: 3SG46-K, Part No. 07660705413
6 x 1 x 1 - 80 Grit: 3SG80-K, Part No. 07660705414
8 x 1 x 1 - 46 Grit: 3SG46-K, Part No. 07660705421
8 x 1 x 1 - 80 Grit: 3SG80-K, Part No. 07660705422

Q#. Do you recommend this K grade wheel for turning tools?

A#. Yes, turning tools are made of high speed steel. High speed steel has greater heat resistance so the harder compound of this K grade wheel won't overheat the tool. The harder wheel is recommended because it will not groove or lose its shape as a softer wheel might do with turning tools.

Q#. Is this wheel good for high carbon steel tools?

A#. No, we don't recommend it for high carbon steel tools. The harder wheel will more easily overheat high carbon steel found on tools such as chisels and plane irons. For high carbon steel we recommend the softer I grade.

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Just received the items I ordered! Thank you for the prompt shipping and responses to my inquiries. I will definitely order again from you. Your service is outstanding! Mahalo from Hawaii!
Albert B, Hawaii

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