Insert Nut material: steel, stainless steel, brass,aluminium. We can produce it according to the customer's requirement. Insert Nutwe use cold forged technique ... . also we can produce according to customer's drawing. specification:M3 ,M4 ,M5, M6, M8 ,M10 ,M12, inch: 1/2,3 ... nutflange nutscrewWe can produce according to customer's drawing requirement Insert Nut