China Stainless Steel Micro Precision Shaft pto shaft came apart

Merchandise Description  No.ProductRequirementsoneSuppliesCarbon metal: ten#, eighteen#, 1018, 22#, 1571, 40Cr, forty five#, 1045, fifty#, fifty five#, 60#, 65Mn, 70#, 72B, 80#, 82BAlloy Construction Metal: B7, 20CrMo, 42Crmo, SCM415, SCM440, 4140Large-carbon chromium...