STC Core Bit Crown 1-1/4" 7 UNC 12-50x430mm

Syntec crown concrete core bit, 1-1/4" 7 UNC thread.

General-purpose medium-duty diamond core bits with laser-welded crown segments for drilling through hard materials. Harder metal bond for improved tool life. 1-1/4" 7 UNC female thread.

Available in a range of diameters from 12 to 50 mm with 430 mm drum length.