DECKRKAT 4-1/2" Concrete Hole Saw Kit,Electroplated Black Quenching Tech,Heavy-Duty Thickened Alloy Teeth,SDS Plus Shank & 2 Center Bits for Concrete,Brick,Stone.

Electroplated Black Quenching Tech：Anti-rust coating + quenching enhances hardness for concrete, brick, and hardy plank. Heavy-Duty Thickened Alloy Teeth：50% thicker tungsten teeth boost cutting strength & lifespan. Universal SDS Plus Compatibility：Fits all major SDS Plus rotary hammers 220mm shank + 2 center bits ensure precision for pipe/vent installations. Dual Flutes & Triple Sharp Edges：Chip grooves eject debris instantly; thickened teeth cut masonry smoothly. Pro Tips: Use water cooling on hard surfaces; Avoid marble/pebbles/rebar,Start at low speed.

DECKRKAT PRO 4-1/2" Concrete Hole Saw Kit – Power Through Tough Materials

Engineered for excellence! Featuring electroplated black coating & quenching tech for maximum hardness and corrosion resistance. The upgraded heavy-duty tungsten alloy teeth are 50% thicker—delivering unmatched cutting power and extended service life.

Concrete Hole Saw Kit includes 220mm SDS Plus shank and two 110mm center bits for precise drilling on brick, cinder block, and drywall. Triple thickened edges + dual chip flutes enable smooth, efficient operation in dense surfaces.

Pro Advice:

1. Apply flowing water on high-hardness materials

2. Never use on marble, pebbles or rebar

3. Start at low speed to maintain tooth integrity