Woodworking countersink drill Purpose: used for workpiece circular aperture chamfering or cone hole, and as a case chamfer deburring tool Key benefits: creates clean chamfers on wood surfaces, reduces splintering, and prepares holes for flush or countersunk fasteners Function and compatibility: designed for woodworking applications, suitable for chamfering and deburring tasks on wood and similar materials Additional notes: simple, effective tool for finishing drilled holes with a smooth entry for screws External chamfer bits Key benefits: hardness for long tool life, smooth chip processing, reliable chamfering, deburring, and cone processing Function and compatibility: versatile external chamfer bits suitable for chamfering and deburring across various materials Use cases: completes edge finishing and deburring tasks with consistent results Metal countersink drill bit Material and durability: made of cobalt steel, hardness, rustproof, solid and durable Function: countersinking and threading chamfer tool for metalwork Benefits: longlasting performance with corrosion resistance, capable of precise chamfering on metal parts Single end countersink bit: Applications: effective for cutting through plastic, aluminum, copper, stainless steel, aluminum plate, insulation boards, and PVC sheet Use in woodworking: suitable as a versatile wood working tool for edge prep and hole finishing Design note: single end countersink design optimized for straightforward chamfering and edge finishing on diverse materials