Description
DCMT-21.51-HM 55 Diamond Positive Rake Insert ~ I.C. is 1/4″. ~ L is 0.307″. ~ S is 3/32″. ~ d is 7/64″. ~ r is 0.0157″. ~ ISO insert number is DCMT070204HM. ~ Cutting direction is neutral. ~ 2 edges. ~ Coating is Al203TiN. ~ For use with SDUCR/L2, SDNCR2, SDXCR/L2, and SDQCR2 holders. ~ HM style has a sharp wave cutting edge to reduce cutting force ~ HM is the first choice for semi-finishing of internal holes and allows chips to flow smoothly. ~ The XAB749 grade cutting edge has special strength and toughness in an optimal combination with MT-TiCN and a thick layer of Al2O3TiN coating. ~ It is a suitable grade for a wide variety of applications. ~ These inserts are good for finishing, semi-finishing and light roughing of steel, cast steel, stainless steel and cast iron. Nose radius is 0.0157″. Cutting direction is neutral. 2 edges. Inscribed circle is 0.250″. Insert thickness is 0.094″.
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