Dust Extraction Unit 1 1/4″ UNC

The Dust Extraction Unit 1 1/4″ UNC is a professional-grade spindle adapter designed to connect ½” BSP (F) to 1 ¼” UNC (M) core drills. Built to deliver clean, dust-free dry drilling, this adapter increases cutting speed and core longevity while enabling cooler operation through efficient dust removal. Perfect for use with diamond core drills and machines, it also supports dry drilling of lightly reinforced concrete-making it an essential tool for precision and performance on-site.