Stainless Steel made Screw Thread Helical Inserts provide means for protecting and strengthening all types of tapped threads. These Screw Thread Helical Inserts are made of quality grade 18-8 stainless steel that ensures longer functional life. These Screw Thread Helical Inserts are available in free running and screw locking type pattern. Stainless Steel made Screw Thread Helical Inserts come in different lengths and sizes to suit specific requirement.