HeliCoil insert charts are viewable at ThorIntl.com under the Technical Information link. Insert charts are available in metric, UNC, UNF, BSW and other dimensional standards. Information listed on each chart includes drill size and thread insert length, based on insert size and diameter.
HeliCoil inserts are helical-shaped coils of wire used to form permanent screw threads when installed into a tapped hole. Inserts are designed in lengths of one to three times the bolt or screw diameter.
HeliCoil inserts are available in stainless steel, titanium, phosphor bronze, nimonic 90 and nitronic 60 material types. HeliCoil plating options include dry film lubricant, cadmium, zinc and silver. A listing of HeliCoil part numbers is available on ThorIntl.com.