Description of π© Stadea ADC107K Threaded Diamond Adapter
Diamond core drill bit adapter hexagonal 1/2" to 1 1/4" 7 male threaded for core drill bits hole saw - - OVERALL LENGTH - 3 3/4". Extra long length to fit core bit adapter. Connects to core bits with 1 1/4" 7 threaded female arbor, and changes to connector to 1/2" hexagonal. 1 1/4" 7 male length 1 1/2" - OVERALL LENGTH - 3 3/4". High quality hardened alloy, Adapter for Drilling and Grinding Concrete, Glass, Granite, Stones.