High-Strength Carbon Steel Hex Socket Head Cap Screw Set

This high-strength hex socket head cap screw set is made from durable carbon steel with an 8.8-grade rating, ensuring robust performance for demanding applications. Each set includes one M10*40 full-thread bolt with a blackened finish, one nut, one flat washer, and one spring washer, conforming to GB/T 70.1 standard.

Surface treatment: Black Material: Carbon Steel type: Bolt flat spring washer nut combination Implementation Standards: GB/T 70.1 Nominal diameter: 10mm Nominal length: 40mm Performance level: 8.8