DESCRIPTION: "CNC Tooling" Brands---The Best Quality on The Market----Sold Many Thansands to Distributors to put on famous labels.

*  BT30 precision ball bearing Keyless drill chucks 1/8-5/8" per order.

*  Solid integral shank design is more compact than a combined drill chuck and Arbor. Greater accuracy and rigidity.

*  MADE of forged alloy steel for long, durable service life.

*  Self-tightening

*   0.003" TIR accuracy. 

*   4-3/4" projection.

*. BT30 standard Retention threads M12x1.75