This 10-piece drill bit set with a storage bag includes a step drill, center punch, woodworking triangular drill, 5-flute chamfering tool, and pin hole reamer.

About this product:

The package includes: 3 step drill bits, 6 five-flute countersunk drill bits, and 1 center punch; the quantity and variety are ample to meet your various needs, and you can also share these home improvement accessories with friends who need them.

Step Drill Bit Set: Designed in multiple sizes, including 3/16-1/2 inch, 1/8-1/2 inch, and 1/4-3/4 inch, made of high-speed steel with a titanium plating, it is heat-resistant, corrosion-resistant, rust-proof, practical, and durable.

Countersunk Drill Bit Set: Made of high-quality carbon steel with a titanium plating to prevent rust; durable and long-lasting. They are easy to change and compatible with most power tools with 1/4-inch hex shanks. The cutting edges are hardened and polished for enhanced sharpness. All drill bits are angled at 90 degrees at this point for sharp and precise countersunk machining.

Automatic Center Punch: The automatic center punch function is highly effective, marking recesses on workpieces to prevent screws and drill bits from shifting, helping you complete your work quickly and accurately, saving time and effort.

Wide Applications: Ideal for drilling, reaming, chamfering, and screw head machining; suitable for chamfering various materials such as wood, plywood, aluminum, iron, copper, fiberboard, particleboard, plastic, and PVC.