Asta Dia 6~10mm Boccola Esagonale Bullone Spalla Acciaio Lega Testa Coppa Viti M5 M6 M8
● Material: Carbon Steel. ● Features: The product is made of 12.9 grade high-strength carbon steel material, which has the characteristics of high toughness, good cold and hot processing performance, and excellent machinability.