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
Easily drills through all typical steel decking plate including Bondek®
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
These ceramic tile drills can also be used to successfully drill in brick
Chrome Alloy Metric Coarse Intermediate Taps and 1" Button Dies
Saber HSS TiN Coated Straight Flute Step Drill Set - Metric The right hand spiral forcesSaber 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