7/8"–1-1/8" Impact Step Drill Bit

The Diablo Impact Step Drill Bit is designed to create clean, accurate holes in thin metal, PVC, and other plastic materials. Featuring a durable split-point tip, precision-ground cutting steps, and an optimized dual-flute design, it delivers fast drilling, efficient chip removal, and reliable performance for electrical, plumbing, and HVAC applications. The 1/4" hex shank is impact-ready and compatible with standard drills and impact drivers.

Features:

• 17 Cutting Steps: Creates holes in a range of sizes from 7/8" to 1-1/8".

• Split-Point Tip: Starts accurately without pre-drilling and helps reduce walking.

• Precision-Ground Steps: Designed for faster cutting and reduced wear.

• Dual-Flute Design: Promotes efficient chip removal for smoother drilling.

• Impact-Ready Hex Shank: Compatible with drills and impact drivers.

• Versatile Applications: Suitable for metal up to 1/8" thick, PVC, and other plastics.

• Laser-Etched Markings: Makes it easy to identify hole sizes while working.

Specifications:

• Brand: Diablo

• Model: DSD1125S17

• Bit Type: Impact step drill bit

• Hole Size Range: 7/8"–1-1/8"

• Number of Steps: 17

• Overall Length: Approximately 3-1/32"

• Shank Type: 1/4" hex

• Bit Material: High-speed steel

• Applications: Thin metal, PVC, and plastics

• Quantity: 1