Contractor Grade Core Bits

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 1-3/8" dia x 13" drilling depth. Very high diamond concentration. 5/8-inch - 11 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 1-5/8" dia x 13" drilling depth. Very high diamond concentration. 1-1/4-inch - 7 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 2-3/4" dia x 13" drilling depth. Very high diamond concentration. 1-1/4-inch - 7 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 3" dia x 13" drilling depth. Very high diamond concentration. 1-1/4-inch - 7 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 3-1/2" dia x 13" drilling depth. Very high diamond concentration. 1-1/4-inch - 7 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 4-1/4" dia x 13" drilling depth. Very high diamond concentration. 1-1/4-inch - 7 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 4-1/2" dia x 13" drilling depth. Very high diamond concentration. 1-1/4-inch - 7 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 5" dia x 13" drilling depth. Very high diamond concentration. 1-1/4-inch - 7 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 5-1/2" dia x 13" drilling depth. Very high diamond concentration. 1-1/4-inch - 7 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 1-3/4" dia x 13" drilling depth. Very high diamond concentration. 1-1/4-inch - 7 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 2" dia x 13" drilling depth. Very high diamond concentration. 1-1/4-inch - 7 hub. Free ground shipping to the lower 48 states.

Premium Black core bits from Diamond Products provide maximum drilling performance in hard aggregates with reinforcement. 1-1/2" dia x 13" drilling depth. Very high diamond concentration. 5/8-inch - 11 hub. Free ground shipping to the lower 48 states.