Composite Screw Tap Bit HSS-CO Tap Drill Set 1/4" Hex Spiral Tap Drill Reamer Titanium Soft Metal Thread Drilling Tapping Tools

[Features]: 1. "X" shaped openings, reduce skidding when drilling. High hardness, good toughness, convenient tapping. 2. Hole tapping chamfering in one, easy to operate, hand drill, bench drill, hex chuck tapping machine available. 3. Taps are designed with spiral flutes and the chip clearing process would be better. 4. Contains a variety of sizes, which can be used for tapping various threads. [Specifications]: Material: HSS-CO Shank: Common 1/4" Hex Shank (6.35mm) Processing: wood, plastic, aluminum, tin alloy, magnesium alloy, workpiece thickness less than 5mm. [Package includes]: According to your choice [Note]: Coated with a little oil before working on the tap, you can make work more smoothly point, and can extend the life of the tap.