BT-30 Tap Driver Dimension "R":4.00 which cause less interference and

which cause less interference and better coolant contact at cutting edge

Precision Components NMTB-50 Taper Holders are designed to give maximum rigidity at extended lengths of 4"

minimum deflection

Precision Made

BT-30 Tap Driver Dimension "R":4.00 which cause less interference andThe BT 30 Rigid Tap Drivers are designed for use on machining centers with a synchronized tapping control. Their slim design allows for easy clearance of fixtures, clamps, superspacers, and other causes of interference while also allowing coolant to be delivered directly to the tap. NOTE: Your machining center must have a synchronized tapping control. Hardened Precision Ground American Made