EBI Stage Drill Non-Coated 9 Stages Hexagonal Shaft 4-12 LBH412B 1 Piece

Catalog number: LBH412B 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 are few burrs 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): 5.0 ● Number of steps (steps): 9 ● Shank shape: 6.35 mm hexagonal shaft (with ball groove) ● Shank diameter (mm): 6.35 ● Drilling dimensions (φ): 4, 5, 6, 7, 8, 9, 10, 11, 12 ● Overall length (mm): 81 ● Surface treatment: Non-coated ● Non-coated Material/Finish: ● Cobalt high speed steel Set contents/Accessories: ● None