This is a 1/8 inch drill bit. We use this for drilling a hole that will take a #4 machine screw. The majority of our kits and circuit boards use a #4 machine screw so this drill bit size is a must for putting together a robot kit.
Inspect hard to reach areas such as crawlspaces and attics with this complete inspection robot package. New Anodized Black Chassis. Includes all the optional features including: DeWalt batteries, debris guard, roll cage, wheelie bars, and travel case!