Step drill bit DeWALT DT90246-QZ 1 pc

Step drill bit DeWALT DT90246-QZ is designed for enlarging and drilling holes in metal and thin-walled materials. It is suitable for construction steel, ferrous and non‑ferrous metals, plastic and other materials up to 3 mm thickness and covers hole sizes from 4 mm to 22 mm, allowing stepped, clean and accurate holes for installation tasks.

Advantages

The DeWALT DT90246-QZ features durable construction for prolonged use, precise stepped cutting geometry for clean hole edges and a single-bit solution that reduces bit changes when working through multiple hole diameters. Its compatibility with a wide range of materials makes it versatile for electrical, plumbing and sheet-metal tasks.

Suitable for

• Enlarging and drilling holes in sheet metal and thin-walled materials
• Electrical installations and cable gland holes
• Plumbing and HVAC mounting holes
• DIY projects involving steel, non‑ferrous metals or plastics up to 3 mm

Key specifications

• Brand: DeWALT
• Model / MPN: DT90246-QZ
• EAN: 5054905245412
• Type: Step drill bit
• Hole range: 4 mm – 22 mm
• Suitable material thickness: up to 3 mm
• Quantity: 1 piece

How to use

Secure the step drill bit in a suitable drill chuck, set the drill to the recommended speed for the material, and start drilling with steady pressure. Begin at the smallest step to create a pilot opening and progress through the required steps to reach the desired diameter. Withdraw the bit periodically to clear chips and avoid overheating.

Usage recommendations

Use cutting lubricant when working with stainless or harder metals, maintain moderate drill speed for cleaner edges, and wear appropriate eye and hand protection. Do not exceed the recommended material thickness of 3 mm.