Core Bit Adapter 1-1/4"-7 Female x 5/8"-11 Male Thread

Core Bit Adapter 01878 – 1-1/4"-7 Female to 5/8"-11 Male Thread Adapter for Core Drill Motors

The Core Bit Adapter 01878 provides a secure and precise connection between your core drill motor and smaller diameter core bits, ensuring stable performance and efficient power transfer during wet coring applications. Engineered for smooth alignment and reduced vibration, this adapter helps maintain drilling accuracy while protecting both the motor and bit from unnecessary wear.

Designed with a 1-1/4"-7 female top thread and 5/8"-11 male bottom thread, this adapter allows compatibility between larger drive systems and standard core bits. Constructed from durable, jobsite-ready materials and weighing approximately 2 lbs., it delivers reliable strength and long service life for professional concrete and masonry drilling setups.