Dormer R457 7.80MM Carbide Straight Shank Force X Drill Oil Feed TiAlN Coated

Solid carbide provides excellent wear resistance and improved tool life Continuously Thinned Web (CTW) provides excellent cross sectional strength to allow improved swarf removal and higher performance 4 Facet Split Point provides perfect centering and low thrust forces resulting in accurate holes and superior surface finish TiAlN Coating increases surface hardness, wear resistance and improves tool life Controlled edge honing and outer corner design provides high consistent tool life