STC Core Bit Crown 1-1/4" 7 UNC 12-50x430mmSyntec 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.
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols