Check the listing for details. 20Pcs M8 x 1.25 Helical Wire Thread Inserts for Installation Insert Sleeve. Condition: New. Listed at 14.40 USD. Helical Wire Thread InsertsProduct Details1.Features - Designed with a certain of elastic, and provides an even load. Wire thread inserts have self-tapping capability without pre-tapping the base metal. Large contact surface with finished products, strong tensile force. Strong resistance to vibration, no deformation.2.Material - 304 stainless steel has good corrosion resistance, rust prevention, high hardness, and excellent oxidation resistance. It is austenitic stainless steel, which is non-magnetic or slightly magnetic.3.Size - Thread Size: M8 x 1.25; Effective Length (after Installation): 3D=24mm; Type: Helical4.Applications - Mainly used for various low-strength metal and non-metal materials, such as aluminum, magnesium, cast iron, plastic, rubber, MDF, ceramics, fiberglass, wood.