HT Hex Head Bolt:M4 x 80 - DIN 931/8.8/Black/Half Thread

This fastener is a high tensile hex head bolt manufactured from steel, sized at M4 with an overall length of 80mm. It conforms to the DIN 931 standard and carries an 8.8 property class rating, indicating specific strength and hardness characteristics suitable for structural assembly. The bolt features a half-thread design, providing a smooth shank section for reduced friction and increased load-bearing capacity in critical joints. A black surface finish is applied to the steel body, offering a durable, utilitarian appearance often preferred in heavy-duty mechanical applications. Buyers select this specific grade and finish when requiring reliable holding power from a partially threaded fastener that meets established German industrial standards. Choose this item by confirming the M4 diameter, 80mm length, and 8.8 strength requirement aligns with your joint specifications and environmental conditions.