JUEGO 3 BROCAS ESCALONADAS
Set of 3 step drills. Pitch 4 mm - 12 mm. Pitch 4 mm - 20 mm. Pitch 6 mm - 35 mm
Step drills are ideal for drilling ferrous and non-ferrous metal sheets, profiles, tubes, copper, bronze, aluminium, stainless steel and plastics. Up to 4mm thick. For greater durability we recommend working with coolant. Reinforced shaft. Perforate plastic without breaking it or splintering it. Centering tip - drill bit - reamer - all in one. Quick centering tip - prevents skidding and drilling quickly without the need to mark the part with a punch or pre-drill. Special tip and special step design to avoid jamming - less risk of jamming or knocks when using tools, avoiding deforming the part. 2 cutting edges, for faster and smoother drilling. Made of alloy steel, coated with rust to offer 4 times more durability. Measurements marked with laser, for better visibility in time. Each step is designed to drill and ream in a single pass. 3-sided shaft for better grip.