Shaft, Motor Shaft, CNC Machining manufacturer / supplier in China, offering Premium Grade 10.9 Carbon Steel Hex Socket Bolts - Zinc Plated, Grade 8.8 and 10.9 Hex Bolts - Premium Quality ASTM A325 Fasteners, Premium ASTM A325 High Strength Hex Bolts Grade 8.8 10.9 and so on.