Laser Welded 1-3/8'' Diamond Dry Core Fast Drilling 5/8-11

Dry Core Drill Hand-held Diamond Core Drills     Yoketool Super Premium Core Bit Series provides exceptional hand-held drilling performance when the job can not or will not allow the use of water to cool the core bit. The unique design of the core barrel, and diamond segment matrix permits fast and accurate dry drilling operations. Most popular core bit diameters are available     Features: Dryer vents Blue-iron gas pipes High efficiency furnace exhaust pipes\ Turbo barrel design for smoother drilling The standard 9’’ short dry bits with 5/8-11’’ thread were designed to be used dry on hand-held drills     Dry Core Bits Applications For hand-held core drills Dry drilling design For cured concrete and hard masonry Fluted core barrel for fast drilling     Dry Diamond Core Drill Bits Specification:     Diamond Core Drill Bits Interface thread type (customizable):   Universal thread: 1/2", 3/4", 1" (imperial)\ 1/2" BSP、3/4" BSP、1" BSP ; 1/2"-13 UNC、5/8"-11UNC…