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DURABLE DRILL BITS: These step drill bits are made with #4241 high-speed steel and have titanium-nitride coatings for extra durability. The 4-flute spiral-groove design makes these fast and long-lasting metal-cutting tools.

REVOLUTIONARY DESIGN: With a 1/4-inch quick-change hex shank, each unibit step drill bit fits securely in most pistol drills or drill presses. Use these cone-shaped, versatile, and small drill bits for metal projects at work or home.

DRILL BITS FOR HARDENED STEEL: Use this step up drill bit set for metal and steel to create the exact hole size you need. The fluted spiral drill-bit design automatically deburrs and expands holes for a cleaner drilling process every time.

4 FLUTE DESIGN: These 9 stepper drill bits come in various sizes to work for any job. The 11- step bit for metal are built in 1/32-inch increments ranging from 3/16" to 1/2", and the 9-step bits come in 1/16-inch increments ranging from 1/4" to 3/4".

HEAVY-DUTY DRILL BITS: Our cone drill bit is created to work with any project, large or small. This multifunction stepped drill bit is designed with you in mind, so you can get your work done with confidence and speed using our quality tools!

5.0/5.0 Published 54 minutes ago

"Commpletely satisfied"

The quality of this Step Drill Bit Set for Metal is very good and it solves my problem perfectly.

4.0/5.0 Published 1 day ago

"Always the best"

This is my first custom production of my product. Their designers are very responsible, and my design has been perfectly manufactured. This is where I am very happy.

4.5/5.0 Published 3 days ago


I wholesaled Step Drill Bit Set for Metal from kingsdun 30 days ago, and the quality after receipt made me very satisfied, but in terms of delivery time, it is indeed not very fast. Maybe this is the premise of good quality.

5.0/5.0 Published 4 days ago


This is a great product. I recommend buying Step Drill Bit Set for Metal. Every batch is of good quality and can be used almost anywhere.

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