Bordo Engineer's Quick Reference Pocket Book
The right hand spiral forces the swarf out of the hole and prevents the chips from clogging at the bottom of the hole or in the flutes
Drilling times for a range of split point and Delta Point drills consistently showed that Delta Point bits were twice as fast in mild steel
particularly for non-ferrous applications
CNC machined for consistently high quality
Saber HSS TiN Coated Straight Flute Step Drill Set - Metric Bordo Engineer's Quick Reference PocketSaber HSS TiN Coated Straight Flute Step Drill Set Metric Saber 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 life. No pilot hole