Specifications. Sub Brand: Tapper. Material: Carbide tipped. Shank Type: Straight. Product Type: Drill Bit. Drill Bit Diameter: 3/16 in. Drill Bit Length: 6.5 in. Application: For Concrete. Size: 3/16 x 6-1/2 in. Number of Pieces: 1. Anchor Diameter: 3/16 in. Overall Length: 6-1/2 in. Features. Sub Brand: Tapper. Material: Carbide tipped. Shank Type: Straight. Product Type: Drill Bit. Drill Bit Diameter: 3/16 in. Drill Bit Length: 6.5 in. Application: For Concrete. Size: 3/16 x 6-1/2 in. Number of Pieces: 1. Anchor Diameter: 3/16 in. Overall Length: 6-1/2 in.