Manufacturer Varies Power Driver,3-8in Hex 4ZY12

Power Driver, Compatible Tool Type Drill Press, Power Drill, Compatible Insert Type Hex Drive Threaded Inserts, Knife Threaded Inserts, Solid Threaded Inserts, Compatible Internal Thread Size 5/16 In.-18, M8, Compatible External Thread Size Not Applicable, Material Steel, Overall Length 33/64 in, Product Type Drive Tool, Compatible with Manufacturer Model Number 851618-20, 851618-25, 951618-13, 951618-25, Features Install Slotted Inserts without Engaging the Internal Thread, Series E-Z Hex