BT-40 Tap Driver Tap Size:7/8 They can be used with

They can be used with standard draw bar or retention knobs

Precision Ground

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

Precision Components’ Retention Knobs fit most American and imported machining centers

Precision Components offers the widest line and highest quality of Standard Rigid Tap Drivers in the industry today

BT-40 Tap Driver Tap Size:7/8 They can be used withThe BT 40 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