Migiwata HSS 4341 Imperial 2-in-1 Combination Drill and Tap Bit Set Fractional Inch 1/8''-3/8'' with 1/4” Hex Shank and Spiral Flute Tapping Tool Set Kit Hand Tool of 6pcs

Made of high quality 4341 HSS for durability; Suitable for drilling and tapping in plastic, wood and soft metal like aluminum, iron, etc. Drills and taps in a single pass to save your labor and precious time; Point is self-centering and eliminates the need for center drilling or center punching Wide flutes carry the chips out of the hole. Can be used on multi-spindle heads with reversing mechanisms for tapping in most materials 6 imperial sizes of drill and tap bit(1/8”, 5/32”, 3/16”, 1/4”, 5/16”, 3/8”) included in the set to meet your diversified requirements Quick change 1/4" (6.35mm) hex shank with imperial sizes engraved on the tap drills.