Deli Electric Hammer Impact Drill Bit for Drilling, Slotting in Cement Concrete, Cross Square Shank [12*150mm]

High durability and strength; capable of drilling through reinforced steel bars without damage

Suitable for drilling in reinforced concrete, rock, cement walls, and brick walls

Efficient and fast drilling performance; can penetrate concrete quickly

Tested for heavy-duty use with up to 500 continuous holes

Upgraded four-blade impact drill bit design for enhanced performance

Genuine deli quality compared to ordinary drill bits which wear out quickly

Alloy material resists wear and prevents drill jamming

Dual groove chip removal design ensures smooth drilling, fast debris evacuation, reduced wear, and high efficiency

Standard shank for stable grip

Square shank with four grooves suitable for heavy-duty hammer drills

Round shank with two grooves suitable for light hammer drills

Reinforced concrete

Cement walls

Red brick walls

Marble