*Accessible only in Europe and Canada. Inserts that has a reduced head provide the benefit of an almost flush flange. see items · With all the reduction in person-hours because of fast one side fastening, overall costs might be lessened in comparison to traditional design methods for example weld-on nuts. https://jasperbwpfw.blogdun.com/27349817/the-basic-principles-of-inserts-for-metal-alloy