... 2) High quality, competitive prices 3) Stainless steel, carbon steel. 1) Description:channel spring nuts , spring channel nuts , channel nuts , ... Spring, None Spring.-2) Physical performance, machenical properties, and material:a) normal strength: made from low carbon steel, C1015, Q235 ... .-3) Surface treatment:plain/self colour, zinc plated, HDG- 4) Packinga) In small box: 2~5kgs/box, 2~10boxes/carton ...