4 Piece Titanium Countersink Deburring Drill Bit Set Material and coating: speed steel HSS with titanium plating for long life and durability Slotted taper design: provides chatter deburring and countersinking with smooth, clean cuts and minimal vibration Throughslot chip removal: prevents chip buildup in the workpiece, improving evacuation and maintaining cut quality Material compatibility: designed to perform well on steel, wood, plastic, and light metals; optimized for lowspeed operation Set contents: includes 4 countersink deburring drill bits for versatile hole finishing and edge chamfering 23 practical use scenarios Finishing drilled holes in steel brackets, metal furniture, or metal components to create clean countersinks with reduced burrs Deburring and countersinking woodwork such as furniture panels or cabinetry edges for a smooth, flush finish Chamfering plastic housings or light metal parts during DIY projects or smallscale fabrication to improve fit and appearance Performance notes For results, operate at low speeds and apply steady pressure to minimize heat buildup and maintain a clean cut Suitable for applications requiring precise deburring and countersinking without chatter or vibration