Description: Material:Brass Head Diameter：8mm 10mm Flat head thickness: 2mm The middle post diameter:4mm The height of the middle section (post）, not including the flat heads is 4mm-20mm. When the post length is ＞5mm,the length of the screw thread is 6mm. When the post length is ≤5mm,the length of the screw thread is 4mm. Threaded post lets you open and reattach pieces when needed. Widely used in clothing, leather craft, paper craft etc.
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