Clarke CHT381 3pc HSS Stepped Cone Drill Set
A set of three high speed steel bits that are ideal for drilling holes in a variety of materials especially thin sheet metal fibreglass upvc and most plastics. The stepped feature allows holes to be drilled to a precise width without the need for drilling a pilot hole or gradually increasing the diameter of drill bits used. Steel bit sizes: - 4 -12mm 6 - 20mm & 6 - 30mm. Supplied in wooden storage case.