10pc Broken Bolt Removal Set – Made in USA This 10-piece Spiral Bolt Extractor Set, made from special Hi-Molybdenum tool steel, is designed to make stud removal easy and efficient. Featuring left-handed spiral drill bits and a Cobalt gold-treated finish for maximum lubricity, this set excels in hard metal applications like stainless steel, offering precision and durability at higher drilling temperatures. Special Hi-Molybdenum tool steel Extractors 10 Pcs Spiral Bolt Extractor Set with High Performance Spiral Extractors #1-5 and Left Handed Drill Bits 3/32″, 1/8″, 3/16″, 1/4″ & 5/16″ Designed to make stud removal easy Left hand spiral drill may loosen the bolt stud while drilling a hole for use of bolt and screw extractor Body and clearance are gold surface treated for maximum lubricity Recommended for use in work hardening grades of stainless steel and other hard metal drilling applications Space age nitro-carburized steel withstands substantially higher drilling temperatures while maintaining sharpness Heat treated at 2185° F and then nitro-carburize finished at 950° F to be measurably harder than high speed steel Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance 135° split point for fast penetration and accurate starting without center punch USA Made
