EBI Stage Drill Non-Coated 9 Stages Hexagonal Shaft 6-22 LBH622 1 Piece

Catalog number: LBH622 Features: ●The blade has been specially processed and uniquely polished, so there is less resistance during operation and it has excellent sharpness and chip removal. ●There is little burr on the back, reducing the amount of deburring work required after drilling. ●One tool can be used for drilling, enlarging pilot holes, correcting and chamfering various diameters. ●The use of cobalt high-speed steel provides high sharpness and life. ●The drill has little lateral slippage and excellent bite into the workpiece, eliminating the need for a center punch. Applications: ●Workpiece: Steel plate, wood, plastic, etc. (Do not use on heat-treated metal plates.) Specifications: ●Step width (mm): 4.0 ●Number of steps (steps): 9 ●Shank shape: 6.35 mm hexagonal shaft (with ball groove) ●Shank diameter (mm): 6.35 ●Drilling dimensions (φ): 6, 8, 10, 12, 14, 16, 18, 20, 22 ●Total length (mm): 81 ●Surface treatment: Non-coated ●Non-coated Material/Finish: ●Cobalt high speed steel Set contents/Accessories: ●None