4-30mm 3 Pce Straight Flute HSS Step Drill Set the hardness at high temperatures)

the hardness at high temperatures)

motorcycles and bicycles

10mm 1/4" Hex Shank Diamond Core Drill

Triangle Geometry Oblique and Right Angled

sheet metals

4-30mm 3 Pce Straight Flute HSS Step Drill Set the hardness at high temperatures)4 30mm 3 Pce Straight Flute HSS Step Drill Set M2 HSS Straight Flute Step Drill Set Bordo step drills are ideal for electrical contractors, sheetmetal workers and auto mechanics. Step drills are designed for drilling repetitive holes in steel, stainless steel, copper, brass, aluminium, plastic, plexiglas, laminates and many other thin materials. Manufactured from premium quality high speed steel with double fluted ground cutting edges for long service