1. n. [Well Completions]

The material from which shear pins are typically cut. Shear stock is precision-manufactured in a range of sizes and material characteristics to provide predictable performance from the shear pin and the tool in which it is installed.

See: shear pin

2. n. [Well Workover and Intervention]

The bar or rod from which shear pins are cut for use in downhole slickline tools. Shear stock is prepared from carefully monitored materials to precise dimensions to ensure predictable and repeatable performance of shear pins.