Alpha® is pleased to introduce the new line Laser Welded Core Bits which are designed to be used wet or dry on most popular hard interior surfaces as well as other building materials commonly used for construction. Alpha® invented an application of handheld core drilling two decades ago using high-speed angle grinders and it became a benchmark for wet and dry core drilling for stone fabricators and installers. Designed To Drill Most Popular Hard Surfaces Perfect for Porcelain Sintered Slabs Can Be Used with Core Bit Extension for Hammer Drill/Rotary Hammer Fits On Most Popular High-Speed Grinders with 5/8”-11 Spindle Convenient for Wet or Dry Applications Application(s) Part No. Diameter Maximum RPM Type Threads WLB00380 3/8" 12,000 Wet Only 5/8"-11 WLB00500 1/2" 12,000 Wet Only 5/8"-11 DLB00750 3/4" 12,000 Wet/Dry 5/8"-11 DLB01000 1" 12,000 Wet/Dry 5/8"-11 DLB01250 1-1/4" 12,000 Wet/Dry 5/8"-11 DLB01375 1-3/8" 12,000 Wet/Dry 5/8"-11 DLB01500 1-1/2" 12,000 Wet/Dry 5/8"-11 DLB02000 2" 12,000 Wet/Dry 5/8"-11 DLB02500 2-1/2" 12,000 Wet/Dry 5/8"-11 DLB03000 3" 12,000 Wet/Dry 5/8"-11 DLB04000 4" 12,000 Wet/Dry 5/8"-11 DLB11KIT All w/Toolbox 12,000/8,400 Wet & Wet/Dry 5/8"-11
