Description
Product Overview
The SDS Plus Square Hole Cutter for 86-Type Electrical Wall Boxes is a specialized masonry slotting tool designed to replace manual chasing and perimeter drilling. Compatible with all SDS Plus rotary hammers, this square hole cutter punches clean, square recesses for standard 86mm switch and socket backboxes in a single operation.
Key Specifications
| Feature | Technical Details |
| Product Type | SDS Plus Electrical Wall Box Square Hole Cutter |
| Pattern / Box Size | Standard 86-Type Switch & Socket Box (~86mm x 86mm) |
| Shank Type | SDS Plus Drive Shank |
| Body Material | Forged High-Carbon Alloy Steel |
| Cutting Edge Material | Micro-Grain Tungsten Carbide Tips |
| Drill Mode | Hammer Mode / Rotary Hammer Operation |
| Compatible Substrates | Red Brick, Concrete Block, Aerated Concrete, Plaster |
Technical Features & Benefits
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Single-Pass Box Recessing: Cuts perfect square profiles for 86-type wall boxes, reducing labor time compared to circular hole saws or manual hammer chiseled cutouts.
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Universal SDS Plus Shank: Direct-fit compatibility with all standard SDS Plus rotary hammer drills for secure torque transfer and rapid tool changes.
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Impact-Resistant Carbide Teeth: High-grade tungsten carbide tips maintain cutting sharpness and resist tooth shearing when striking high-density masonry.
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Dust & Debris Ejection: Integrated side ejection slots clear pulverized masonry dust, preventing bit binding and thermal buildup inside the deep cut.
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Heavy-Duty Forged Core: Heat-treated alloy steel shank absorbs high impact force from heavy rotary hammer operation without snapping or deforming.
Trade & Installation Applications
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Electrical Rough-In: Rapidly sinking 86-type backboxes for light switches, power outlets, and network wall plates in masonry construction.
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Masonry Wall Chasing: Creating clean rectangular recesses in brick, block, and rendered walls for flush conduit junction boxes.
Operating Instructions
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Insert the SDS Plus shank into your rotary hammer drill until it clicks securely into place.
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Mark the exact placement of your 86-type electrical box on the wall surface.
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Align the pilot guide and cutting frame square to the mark.
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Set the rotary hammer to hammer-drilling mode and apply firm, steady forward pressure.
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Withdraw the bit periodically to let internal vents clear accumulated masonry dust from the cutout.
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