Square Hole Cutter – One-Step 86-Type Box Opening in Brick & Concrete, SDS Plus Compatible

Product Introduction

Cutting square holes for electrical boxes the old way takes forever — mark it, cut it, chisel it, clean it up. This tool does it in one step. Mount it to your hammer drill, position it over the mark, and drill. The hole comes out clean, square, and perfectly sized for 86-type junction boxes. No measuring twice. No chasing edges with a chisel. One hole, one try, done.

Product Features

⚡ One-step cutting — no marking, no chiseling
Mount to your hammer drill and drill directly into brick or concrete. The cutter removes material as it goes, leaving a clean square opening. No separate cutting and chiseling steps.

📏 Precision-fit for 86-type electrical boxes
Creates exact square openings that match 86-type junction box dimensions. Boxes sit flush and secure. No filing, no adjusting, no gaps.

🔩 Heat-treated alloy steel — stays sharp through masonry
Built from hardened alloy steel. Resists wear and maintains cutting edges even in abrasive concrete and brick. One tool, job after job.

🔄 SDS Plus compatible — fits most hammer drills
Designed for SDS Plus rotary hammers. Insert and start drilling. No adapters, no extra setup. Works with the drill you already have.

Product Specifications

• Product Name: Square Hole Cutter
• Compatibility: 86-type electrical junction boxes
• Material: Heat-treated high-strength alloy steel
• Suitable Surfaces: Brick, concrete, cement, stone
• Cutting Method: One-step drilling
• Application: Electrical box installation, renovation, masonry work

Package Contents

• 1 × Square hole cutter
• 1 × User manual

✨ One step. One hole. Done.