HBKEEN Core Drill Bit Extension 12 Inch, Diamond Core Bits Extension with 1-1/4”-7 Thread, Hexagonal Core Bit Extension for Use with Core Drill Bit

HBKEEN Core Drill Bit Extension 12 Inch, Diamond Core Bits Extension with 1-1/4”-7 Thread, Hexagonal Core Bit Extension for Use with Core Drill Bit

Core Drill Bit Extension Specification: 12 inch length standard core drill bit extension with 1 1/4"-7 thread for use with diamond core drill bits. High Quality: The surface of the Core drill bit extensions rod is treated with a chemical black coating for durability. Made of high-quality steel, it is strong and long-lasting. Wide Application: Core drill bit extensions are Convenient for fast assembling for diamond core drill bits to drill deeper in concrete, reinforced concrete, brick, block and masonry. Drilling method: Compatibile with 1-1/4”-7 thread core drill bits and drilling machines. Work both dry and wet with core drill. Humanized Service: Any product use and quality problems in the process of drilling bits, please consult us in time, we hope that you have a pleasant shopping experience. HBKEEN Core Drill Bit extension with 12 inch effective length, diamond core drill bits with 1-1/4"-7 thread for use with core drill bit for drilling concrete, reinforced concrete, brick, block and masonry.