4-Piece Concrete Core Drill Set | 30-68mm SDS Plus Bits for Masonry & Stone

Engineered for demanding masonry work, this 4-piece 30-68mm concrete hole saw kit delivers clean, precise bores in concrete, brick, and stone. The 200mm SDS Plus shank ensures secure, vibration-free connection to your rotary hammer, while the carbide-tipped teeth provide aggressive cutting and extended durability for professional-grade results. Features and Benefits - 4-Piece Set (30, 40, 52, 68mm) - Complete range of essential diameters for common plumbing, electrical, and HVAC installations. - 200mm SDS Plus Shank - Ensures maximum power transfer and stability in any compatible rotary hammer drill, reducing bit walk and operator fatigue. - Tungsten Carbide Grit Teeth - Aggressively cuts through reinforced concrete and hard aggregate for faster penetration and longer service life. - Deep Flute Design - Efficiently channels dust and debris away from the cutting face, preventing clogging and maintaining optimal cutting speed. - Hardened Steel Body - Provides exceptional strength and resistance to bending or breaking under high-torque drilling conditions. Applications - Installing Plumbing and Electrical Conduits - Create clean holes for pipes and cables through foundation walls and masonry slabs. - HVAC and Ventilation Work - Drill precise openings for exhaust vents, dryer ducts, and air conditioning lines in brick or block walls. - Anchor and Fastener Installation - Prepare holes for heavy-duty concrete anchors, sleeve anchors, and chemical fixings in structural concrete. - DIY Home Improvement Projects - Ideal for tasks like setting mailbox posts, building retaining walls, or installing outdoor lighting fixtures. Note For optimal performance and bit life, use with a rotary hammer drill in hammer-only or hammer-with-rotation mode, and employ a steady feed pressure with periodic clearing of debris.