1 1/4" UNC to SDS Max adapter for 190 mm diamond drill bits, core drill bits, and core drill hole saws

SDS Max to UNC 1 1/4" Diamond Drill Bit Adapter, 190 mm Diamond Drill Bit Adapter

Adapter for 1-1/4" UNC male thread to SDS Max shank for diamond drill bits.

1-1/4" UNC male thread to SDS Max shank, 1/2" BSP female thread, 190 mm overall length.

The 1-1/4" UNC drill bit can be mounted on a rotary hammer or electric drill with an SDS Max shank. High-quality steel and high power extend its service life.

Do not use this adapter with hydraulic hammer drills.