The 3215SM Sub-Miniature end mill is stocked uncoated and with TiAlN, TiCN, and TiN coatings.2-Flute - 30° Helix - 3215SM Sub-Miniature GP End Mills, RH Spiral, Ball, Sub Mini, It's offered in a variety of configurations and is available with single-end and double-end designs..
. Industry standard forms SA, SB, SC, SD, SE, SF, SG, SM, SL, SH, SK, SJ, SN, and SNE are available as well as Single Cut, Double Cut, Chip Breaker, Diamond, and Fast Mill Cut end cuts.