9-piece tap and drill bit set, manual tapping and thread-opening tool set

1、Using bearing steel material, has good impact toughness and fracture toughness 2、The taps are more stable and the size is more standard, great replacement for the old one 3、Adopting full grinding method, with high‑performance bearing steel material, higher durability standard 4、Straight flute chip removal and tapping is smoother, complete specifications, to meet the needs of daily use 5、Including drill bits and taps, good workmanship and simple to install and removeItem Type: Tap Drill Bit Set Material: Bearing steel Uses: Screws, nuts, automobiles, machine tools, computer tapping Tap Model: M3 x 0.5 M4 x 0.7 M5 x 0.8 M6 x 1 Drill Bit Model (mm): 2.5/3.5/4.2/5.0 2.5mm / 0.1in 3.5mm / 0.14in 4.2mm / 0.17in 5mm / 0.2in T-Type Tap Wringer is Suitable for Taps: M3~M6 1 x T-Type Tap Wrench(with handle) 4 x Tap 4 x Drill Bit