Hollow Drill Bit 55mm Wall Drill Bit with SDS Plus Adapter Center Drill Carbide Core Drill Crown Hammer Impact - ShopVlot

High Quality Hollow Drill Crown: Hollow Drill Crown made of high quality hard alloy, high density loop and high-end heat treatment. With high hardness, good toughness, high concentric properties. SDS Plus Compatible: SDS Plus drill bit is for all standard impact drills and hammer drills. Application: Hollow Drill Bit for masonry, aerated concrete, natural stone, sandstone, artificial stone, concrete, brick, plasterboard, marble; not suitable for materials with abrasive properties. Includes: Holl