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The Grainger Approved Square End Mill Single End is a high-speed steel end mill with a square end for milling slots, keyways, and pockets. It has 4 flutes and a right-hand spiral. The overall length is 3 inches and the shank diameter is 0.5 inches. The mill diameter is 0.625 inches. It is uncoated and made in the USA. This end mill is rigid and versatile for a range of milling applications.
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