This sentence describes a specific step in a machining process, where a blank (an unprocessed piece of material) is drilled to create a hole that will accommodate a brass sleeve. This process likely involves the use of a drilling machine, which can bore precise holes into various materials. The brass sleeve may serve several purposes, such as providing a surface for a shaft to rotate against or acting as a connector between two parts. The exact dimensions and tolerances required for the hole and sleeve will depend on the specific application and design requirements. However, drilling and fitting these components accurately is crucial to ensuring the proper functioning of the final product.
Posted by UnstoppableDrew on 2008-01-27 00:02:52