6PC Cobalt Drill Bit Set Spiral Screw Metric Composite Tap Drill Bit Tap Twist Drill Bit Set Multi-function Metal Specia

6PC Cobalt Drill Bit Set Spiral Screw Metric Composite Tap Drill Bit Tap Twist Drill Bit Set Multi-function Metal Specia

Features: ✔Made of high quality HSS with titanium coating, high hardness, anti-rust, has excellent for capability and durability.This drill bits set can quickly drill, tap, deburr and countersink. ✔6 Metric sizes of drill and tap bit(M3, M4, M5, M6, M8, M10) included in the set to meet your diversified requirements. ✔1/4 inch hex shank fits into power tools more easily and securely. ✔Each one is a combination of a twist drill bit and a tap. ✔Ideal for drilling, tapping, cutting on wood, soft metal, aluminum plate, iron, etc (Thickness: <3mm；Note: it can not work well with stainless steel 304 or high hardness metal. ) Specifications: Material: high speed steel (Blue NAMI Coating) Color: as the pictures show Shank: 1/4" (6.35mm) hex shank Standard: metric Function: perforation Thread Size: M3, M4, M5, M6, M8, M10 Package included: 6pcs Drill Bits Set