10Pcs M11×1.25 Fine Thread Hex Head Bolts 8.8 Grade GB5785/5786 Metric Machine Bolts 20/25/30/45/50/57/63/70/75mm Fasteners for Industrial Machinery (30mm (10 pieces) black full thread)

• Manufactured to GB5785 and GB5786 standards, these M11×1.25 fine thread hex head bolts feature 8.8 grade construction for industrial fastening applications.
• Available in 9 different lengths: 20mm, 25mm, 30mm, 45mm, 50mm, 57mm, 63mm, 70mm, and 75mm to accommodate various assembly requirements.
• Standard external hex head design allows for secure installation and removal with common wrenches and socket tools.
• Fine thread pitch provides enhanced clamping force and resistance to loosening in vibrating machinery and equipment.
• Pack of 10 pieces supplies adequate quantity for equipment maintenance, component replacement, and small-scale manufacturing projects.

This set contains 10 pieces of M11×1.25 fine thread hex head bolts manufactured in strict accordance with GB5785 and GB5786 metric standards. Constructed from 8.8 grade steel, these bolts are designed for use in industrial machinery, automotive components, structural assemblies, and general engineering applications. The set includes bolts in 9 distinct lengths ranging from 20mm to 75mm, providing versatile solutions for different installation depths and fastening needs. The fine thread design delivers improved clamping performance and stability in dynamic operating environments. The standard hex head configuration ensures compatibility with widely available hand and power tools, facilitating efficient installation and disassembly processes. These metric machine bolts serve as essential fasteners for professional mechanics, maintenance technicians, and DIY enthusiasts working on equipment repair, machinery assembly, and custom fabrication projects.