M6 M5 M4 M3 M2 Metric Thread Half Hole Ball Stainless Steel Drilling Balls Female Thread Blind Hole Bead OD 5/6/7/8/9/10mmHome Improvement > Hardware0,40 USD (≈ 0,36 €)0,49 USDDisponibileSold by AliExpress WWVai al negozio