Catalog number: EXD-21S Features: ●The tip has been cross-sinned, so no punch is required, and this drill set has excellent cutting performance and fast cutting. Applications: ●Cutting materials: General steel, stainless steel. Specifications: ●Set contents (mm): 3.0-13.0/(0.5 increments) ●Set quantity (pieces): 21 ●Surface treatment: Homo treatment Material/Finish: ●High-speed steel (HSS)
