Square Hole Punching Tool – Strength Steel for 86 Type Junction Box Installations • Built from durable strength steel, engineered to deliver precise and rapid depth cutting for 86 type electrical junction boxes. Designed to withstand heavy use in demanding electrical installation environments with wear resistance. • Produces clean, accurate square openings in drywall and wood, ideal for residential rewiring, commercial electrical upgrades, or renovation projects involving multiple box installations. • Ergonomic square shank design compatible with standard hammer drills, enabling prolonged use with reduced operator fatigue. Maintains comfortable handling and steady performance during extended tasks. • Precision alignment guide system and rectangular socket design ensure exact positioning, minimizing slippage or misalignment during cuts. Delivers consistent accuracy for professionalquality results. • Suitable for professional electricians, contractors, and skilled DIY enthusiasts seeking reliable, repeatable performance when installing electrical junction boxes. Example Applications: 1. Cutting square holes for 86 type junction boxes during residential property rewiring. 2. Preparing multiple precise openings in commercial drywall for electrical upgrade projects. 3. Creating accurate square cutouts in wood panels during renovation work where consistent alignment is critical. Material: strength steel Function: Square hole cutter for 86 type junction boxes Compatibility: Standard hammer drills via ergonomic square shank Performance: wear resistance, rapid cutting depth, precise alignment Recommended Use: Electrical installation, renovation, and upgrade projects requiring accurate box fitting