Precision Ball Bearing Keyless Drill Chucks with Integral BT Flange
• BT shanks are produced according to AT3 specification
• Made of Alloy Forged Steel for a long durable service life
• Integral shank design is more compact than a combined
drill chuck and arbor for greater accuracy and rigidity
• Keyless operations
• Self-tightening, clockwise rotation only
• .00015” maximumT.I.R.
• Draw Bar Threads: BT 30 M12 × 1.75, BT 40 M16 × 2, BT 50 M24 × 3