Description:An M20 bolt is a metric bolt with a nominal diameter of 20 millimeters. It is a threaded fastener commonly used in mechanical and structural applications where high strength is required. This pitch is used to determine the length of the threaded portion of the bolt. The nut applies a clamping force that keeps the bolt in place, making it useful for joining two or more objects together.Attributes:• It is made of steel.• It has high strength and durability.• It has a hexagonal head, which allows them to be tightened or loosened with a wrench.Applications:An M20 bolt is used for attaching engine components such as cylinder heads, engine blocks, connecting rods, and crankshafts. They are extensively used in Cat 323D2 L and 323F L Excavators.