Irwin 10502 Unibit Step Drill Set - HSS #1, 2, 3 Bits - Unibit

The Unibit Irwin 10502 Step Drill Set provides professional technicians and mechanics with a versatile solution for drilling and enlarging precise holes across various materials. Engineered with high-speed steel (HSS) construction, this three-piece set delivers durability and reliable performance in demanding automotive and industrial applications. Its unique design eliminates the need for frequent bit changes, enhancing efficiency on the job.

Key Features

• High-Speed Steel (HSS) Construction: Crafted from robust High-Speed Steel, these bits are designed for extended life and sustained sharpness when working with tough materials such as sheet metal, aluminum, and plastics.
• Three-Piece Versatility: This set includes #1, #2, and #3 Unibit step drills, offering a comprehensive range of hole sizes (up to 28 different sizes from 1/8" to 3/4" with the full set) for diverse drilling requirements in professional settings.
• Self-Starting SpeedPoint™ Tip: The non-skid, self-starting SpeedPoint™ tip allows for immediate penetration without walking or the need for center punching, saving time and ensuring clean starts.
• Single-Flute Cutting Edge: A single-flute cutting edge ensures precise, round holes and provides enhanced control during drilling, reducing vibration and promoting consistent results.
• Laser-Etched Markings: Permanently laser-etched step measurements on the flute provide clear, long-lasting size identification, facilitating accurate depth control and simplifying bit selection.
• 3-Flatted Shank: Each drill bit features a 3-flatted shank design that securely grips the drill chuck, preventing slippage and ensuring maximum power transfer during operation.

Applications

This Irwin 10502 Unibit Step Drill Set is an essential addition to any professional toolkit, suitable for:

• Automotive Repair: Creating or enlarging holes in vehicle body panels, brackets, and interior components.
• Metal Fabrication: Drilling and reaming precise holes in steel, aluminum, brass, and copper sheets for custom projects or repairs.
• Electrical Installations: Ideal for creating conduit knockouts and mounting holes in electrical panels, junction boxes, and enclosures.
• Industrial Maintenance: Performing drilling tasks on various machinery components, equipment casings, and structural elements.
• Plastic & Laminate Work: Achieving clean, crack-free holes in materials like PVC, acrylic, and laminates that often pose challenges for conventional bits.

Specifications

• Manufacturer: Unibit (IRWIN VISE-GRIP)
• Model Number: 10502
• Product Name: Irwin 10502 Unibit Step Drill Set - HSS #1, 2, 3 Bits
• Weight: 0.42 lbs
• Dimensions: 8 x 5.5 x 1.5 inches
• Material: High-Speed Steel (HSS)
• Included Sizes: Step drills #1, #2, and #3
• Shank Type: 3-Flatted Hex Shank