Type Decimal Range Description
Common Drills 
Micro & Mini .0039 – .0197 Non-undercut drill, small holes in single sided and double sided panels.
Common Shanks .0200 – .1250 Non-undercut design to drill large holes in single sided double sided as well as multilayer panels.
Reverse Shanks .1260 – .2559 Non-undercut design to drill large holes in single sided double sided as well as multilayer panels.
Slots .0157 – .0650 Rigid undercut design to drill PTH slot in most PCB materials
Undercuts .0059 – .0453 Under cut high performance design to drill holes in layers materials; standard and high Tg
Flex .0059 – .0177 Drill with open flute design for the smooth chip evacuation, soft and flex materials
Routers 
Chipbreaker Fishtail .0315 – .1250 Routing inner features as well as external profiles with cleaner chip evacuation. Router has standard end style.
Chipbreaker Drill Point .0315 – .1250 Routing inner features as well as external profiles with cleaner chip evacuation. Router has drill point end style for cleaner penetration.
Diamond Cut Fishtail .0315 – .1250 Routing profiles of all standard PCB materials with less deflection and a standard end style.
Diamond Cut Drill Point .0315 – .1250 Routing all Standard PCB materials with less deflection and drill point end style for cleaner penetration.
End mills 
One Flute End Mill .0315 – .1250 For cutting soft materials; flex and teflon
Two Flute End Mill .0315 – .1250 For cutting soft materials; flex and teflon
Four Flute End Mill .0315 – .1250 For cutting harder more abrasive materials
Specialty Tools 
Scoring N/A Flexible tool design that can score and be used for internals finger beveling in panel form.
Countersinks N/A To be used on most PCB materials
Made to Order N/A Drills, routers, end mills, countersinks, compound, countersinks, trepanning tools and beveling tools that are non standard by design, diameter, tolerance, countersinks, trepanning tools, and beveling tools that flute length, over-all-length or quantity.