Step Drill Bits, 5 Pieces, 1 Automatic Center Punch, Titanium Coated Double Slot Cone Drill Bit with Case

【Automatic Center Punch】: The automatic center punch provides automatic, high-impact, spring-loaded impact on the cap; its brass body has a deep knurled surface for non-slip control. The protective aluminum case provides convenient storage and transport.

【Double Cutting Blades & Trilateral Shafts】: Double cutting blades and X-shaped opening design ensure faster and smoother cutting; 3-sided shank design prevents the drill chuck from slipping; With minimal pressure, the set can cut wood, sheet metal, steel and other surfaces.

【HSS & TITANIUM COATING】: High speed steel makes the step drill bit set more durable, and the titanium coating can easily cut steel, aluminum, copper, plastic and wood and many other types of sheet metal.

【TIME SAVING】: Covering a variety of step sizes, you can drill or enlarge different holes on a single bit without constantly changing the bit. The dimensions are laser etched into the metal so they can be drilled accurately and won't wear out even with prolonged use.

5Pcs Titanium Coated Hole Saw Drill Bit Set, Large Size Step Drill Bit Set, HSS, Spiral

If you need a highly satisfactory step drill stop, this is what you need.

The step drill bit is made of HSS high speed steel, lined with titanium alloy and durable.

Ideal for drilling holes in various materials such as steel, brass, wood, plastic, sheet metal, aluminum, insulation board, PVC board, etc.

Widely used and concerned about:

Compatible models, bench drill, hand drill, rechargeable drill.

Tapered for drilling larger and more holes deep, or widen openings in drilled areas.

Knife blade design for faster cuts and automatic deburring when drilling.

Feature

Double cutting blade design for faster and smoother cuts

High speed steel for longer life

Quick-change HEX handle for easy installation. One drill can drill holes of different sizes

Advantage:

1. Use twist drill: Step drilling is used for pre-drilling to reduce damage to the workpiece during drilling.

2. CNC machine tools, each process is strictly controlled, and each step is subject to quality control.

3. Compared to twist drills, step drills are not easy to break and can drill holes of various sizes.

Two-blade design:

Better chip evacuation and faster drilling. Increase your productivity. X-shaped opening design for easy chip removal during drilling.

Attractive and functional design

Home improvement and general building monitoring/technology. An attractive aluminum box collects the drill and provides the necessary kit.

Longevity

The center punch is made of shock-resistant alloy steel for easy positioning before drilling and breaking the glass. Position and pre-drill