- VALUE SCREW TAP SET: 6pcs drill bits of various types, meeting you different tool needs. Including M3 x 0.5cm, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5.
- STURDY AND DURABLE: Designed for longtime service life. Constructed with high-speed steel, train coating and heat process treatment, making the screw tap bit set more sturdy and durable to use even under high speed electric drill.
- WIDE SPIRAL FLUTE: Designed as wide spiral flute, for smoother chip removal, no stuck during work, and easy to clean, making the workpiece smoother cut.
- MORE EFFICIENT WORK: No need for additional center drills or center punches! Anti-wear: the back of the cone is on the faucet to prevent over-drilling due to thread damage
- WIDE APPLICATION: Can be used on light metal aluminum board, iron plate, ordinary stainless steel and other materials.