Set di punte per trapano a spirale scanalate, 3Pcs per acciaio al carbonio ad alta velocità con rivestimento con perforatore centrale in HSS da 5 pollici Cappuccio di gomma

Oziral

Features:

• Drill size --- 3 kinds of spiral step drill bit set, the dimensions are: 4-12 mm, 4-20mm, 4-32mm; a total of 29Sizes, Step drills are mainly used for cutting wood, metal sheets, steel sheets and other materials.
• Drill Material --- The step drill bits is made of high speed steel and titanium coating and has strong durability. 1/ 4" hex shank ensures that the power tool is firmly clamped
• Spiral Design --- The spiral double-cutting blade design makes the cutting faster and smoother, and the step tool is automatically deburred from the hole when the drill bit is drilled.
• Ladder design --- It is possible to process large holes in one time without changing the drill bit and positioning hole. This step drill bit meets the need to machine holes of different diameters.