VMC Toolholders
GMT's extensive line of toolholders are unmatched in accuracy, finish, and value. Each toolholder is precision ground and electroless nickel plated. Choose from the most commonly used machine tapers - CAT40, BT40, NT40 and R8 - in a wide range of styles and sizes that will suit the vast majority of milling projects that enter your shop.» ER Collet Chucks
» Drill Chucks
» Endmill Holders
» Facemill Holders
» Milling chucks
Toolholder Accessories
To complement our toolholding line, we stock a wide selection of collets, wrenches, and pull studs. Our ER collets are precision ground in both inch and metric sizes for versatility and convenience. Our BT40 and CAT40 pull studs, avaialable in eight styles, are constructed of high strength alloy steel and is tempered and hardened to 55 HRC before final grinding and black oxide coating.» ER Collets
» Wrenches & Pull Studs

ER Collet Chucks
GMT ER collet chucks are nickel plated and precision ground to a TIR of less than 0.0001" at the collet seat.

Milling Chucks
If your machine has a rigid spindle, take advantage of milling chucks for unsurpassed concentricity and gripping power.



