2pc Core Drill Bit Adapter 1-1/4UNC Thread Male to for PLUS MAX Shank Conversion

[TWO-PIECE ADAPTER SET] This set contains two core drill bit adapters, allowing for easy conversion from a 1-1/4UNC thread male to MAX shank, making it perfect for various drilling needs. [STURDY CONSTRUCTION] Made from high-strength steel, these adapters are built to withstand rigorous use while providing a long-lasting solution for your drilling projects. [SEAMLESS COMPATIBILITY] Designed to work with 1/4" UNC threaded core drill bits on hammer drills or electric drills featuring a MAX handle for effortless operation. [OPTIMAL DIMENSIONS] Each adapter measures a total length of 190 millimeters, compatible with female heads, precise alignment and effective drilling results.