Amazon.com: toolant - Broca de cuatro espirales para escalones de cobalto (Pro Max), broca de paso Unibit lista para impactos, 1/4"-1-1/8", vástago hexagonal de 1/4 pulgadas para metal, acero inoxidable, aluminio, madera,
Amazon.com: Sabre Tools 1-1/4 Inch x 18 Inch SDS Plus Rotary Hammer Drill Bit, Carbide Tipped for Brick, Stone, and Concrete (1-1/4" x 16" x 18") : Tools & Home Improvement