Features High carbon steel straight flute screw extractors are heat-treated and tempered for long life. The tool surface is treated to resist rust, and the straight flutes provide maximum bite without binding or chewing. Required drill size is permanently laser-marked on the shank of each extractor for easy reference Intended to remove screws manually with T-handle tap wrench or equivalent
Specifications To Remove Bolts / Screws:3/4" Use Drill Bit Size: 15/32" Minimum Depth of Hole: 11/16"