Sait 20162 4-1/2" x 1/4" x 5/8-11 Type 27 A46N Depressed Center Grinding Wheel 10pkA46N - Aluminum. Aluminum oxide grain. Soft bond for aggressive removal of material without loading. Outlasts competition by as much as 40%. Non-ferrous metals: aluminum, copper, brass, etc. Specifications: Max RPM - 13300, 5/8-11 Super-Lock hub. Tech Info: Special aluminum oxide formulation prevents "loading" on soft (non-ferrous) metals. All sizes internally reinforced with the highest quality fiberglass for maximum safety and performance. Super-Lock Hub on all 5/8-11 threaded wheels is the safest, vibration-free design.
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