BT-40 Tap Driver Tap Size:7/8 it also off-sets your indexable

it also off-sets your indexable drills in your CNC mill to achieve sizes not offered

They can be used with standard draw bar or retention knobs

100% Guaranteed

have coolant thru

BT-40 Tap Driver Tap Size:7/8 it also off-sets your indexableThe 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