6-Piece 1/4-20NC Combination Drill Tap Bit Set SAE, Made of High-Speed Steel with Anti-Rust Blackened Coating, Ideal for Soft Metal, Wood & Plastic, 1/4” UNC-20 Thread Size, 1/4” Hex Shank
A 6-piece DKIBBITH combination drill-and-tap set for 1/4″-20NC threads, made from HSS with a black oxide finish and a 1/4″ hex quick-change shank—designed to drill and tap in one step for faster, cleaner workflow on soft materials.