Shengda Woodworking Hole Saw Set Multi-Functional Drill Bits for Downlight Gypsum Board Wood Round Hole Drilling and Enlarging Home 8-Piece Set

Sharp and wear-resistant, made from high-quality high-carbon steel with fully ground teeth edges

High hardness achieved through high-frequency heat treatment of saw teeth

Smooth cutting with high operational efficiency; central drill bit acts as an axis to maintain stability during drilling

Multiple hole diameter options to meet various working requirements

Three-point clamping design for secure and stable holding, ensuring safety

Anti-slip triangular shank design to withstand higher torque and prevent slippage during operation

Detachable design with replaceable central drill bit; includes hex wrench for easy replacement