High Speed Steel Fractional Self-Starting, 1/4 in to 1-3/8 in, 10 Steps ORS NASCO Provides five layers of protection

High Speed Steel Fractional Self Starting, 1 4 in to 1 3 8 in, 10 Steps ORS NASCO Provides five layers of protection Provides five layers of protection against dry particulates and light liquid sprays and splashes Constructed of proprietary SMMMS polypropylene Anti static coverall with serged seams Root Pass Brush Used With Mini Grinders Welding Catalog NO plastic and laminates Single flute cutting edge for greater control through steps Hex shank prevents slipping in drill chuck Also available with (TiN) coating for longer life New SpeedPoint tip penetrates faster than previous Unibits and prevents walking Ideal for drilling holes into thin materials such as stainless steel