
Material - High Speed Steels; Size - 6mm(1/4''), 8mm(5/16''), 9mm(3/8''), 12mm(1/2''), 16mm(5/8''), 19mm(3/4'') Application - Great for Sinking 90 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings A Chatter-co.ukee,five-flute designed with staggered cutting teeth aranged to insure co.ukee chip flow and rapid chatter co.ukee cutting Suitable for - Ideal for Wooden planks,Fiberboard,Particle board,Plywood,Plastic,Alumiumn Board ,Pcb Board etc 1/4″ hex shank countersinks are fine for a quick drill. They don’t slip in drill chucks Specifications Material:High Speed Steels Size:6mm,8mm,12mm,16mm,19mm Quantity: 1Set(6 Drills) Length:48mm/1.88'' Features: Durable and practical. Ideal for Wooden planks,Fiberboard,Particle board,Plywood,Plastic,Alumiumn Board ,etc. Suitable for DIY, Home and General Building/Engineering Using.