Square Shank 4-Flute Impact Drill Bit for Concrete, Round Shank 2-Flute Hole-Enlarging Drill Bit 150MM

This versatile drill bit set is designed for tackling tough concrete projects with ease. Featuring a 4-flute impact drill bit, it efficiently channels debris away to provide smooth and effective drilling in concrete surfaces. Additionally, the set includes a 2-flute hole-enlarging drill bit, ideal for precise modifications to existing holes. Both drill bits in the set are 150mm long, offering the optimal reach and stability needed for a variety of construction or home improvement tasks. Material: other Scope of application: other Manufacture country: China Instructions included: No