【商品説明】 ・Wave design transfers energy to bit more effectively for up to 40 percent faster drilling versus previous design ・Carbide-tipped centering bit ・Asymmetrical Carbide teeth for faster cutting, longer life ・2-piece design requires SDS-max or Spline core bit adapter (CAM008 or CAS008) ・Maximum core size is 2-5/8 in. Deep