Assortment- Metric Hex Hd C/S 8.8 2450 pcs. in BB72

Sold in sets of 1 A metric bolt is a type of fastener that is used to join two or more objects together. It is commonly used in machinery and equipment. Metric class 8.8 bolts are also known as structural grade bolts. They are made of quenched and tempered medium carbon steel and can be plated with a variety of materials, most commonly zinc. Class 8.8 bolts see common use in a wide range of industries. Depending on size, they have a proof load of 580-600 MPa, minimum yield strength of 640-660 MPa, and a minimum tensile strength of 800-830 MPa.