The Draper 3 Piece Countersink Bit Set provides professional countersinking for a range of materials including soft metals, hardwood, softwood and plastics. Each heavy-duty bit is manufactured from alloy steel with a five-flute design and 90° head angle, delivering clean, accurate countersinks for flush-fitting screwheads. The quick-change 1/4" hex shank design ensures fast, secure attachment in compatible drills, making bit changes efficient on site. These countersink bits are compatible with standard drills featuring 10mm or 13mm chucks, offering versatility across common power tool configurations. Ideal for carpenters, joiners and general contractors, this three-piece set covers common countersinking requirements with 12mm, 16mm and 19mm sizes. The alloy steel construction provides durability for regular use, while the five-flute configuration helps deliver smooth cutting performance across different material types. Features and Benefits: • Heavy-duty alloy steel construction with five flutes for durability and smooth cutting • 90° head angle suitable for standard countersunk screwhead profiles • Quick-change 1/4" hex shank for fast bit changes and secure fitting • Compatible with drills featuring standard 10mm or 13mm chucks • Suitable for use in soft metals, hardwood, softwood and plastics Specifications: Head angle: 90° Flutes: 5 Material: Alloy steel Connection: 1/4" hex shank Contents: 3 x Countersink bits - 12, 16, 19mm