About Us

Grimsley’s House of Tools was established by Ernest Grimsley in 1974. The Company is owned and operated by Stephen Grimsley Trent.

Grimsley’s House of Tools specializes in Portable Boring Machines, Portable Trepanning Metal Cutting Machines, Ball Valve Machines, Portable Machines for Boring and Facing Ball Valves, Portable Gate Valve Reseating Machines, Boring Bar for removing steam admission valve seats from forced draft blowers, Boring machines for removing poppet valve seats from the steam chests of steam driven electric generators and Wedge Refinishers for Refinishing Gate Valve Wedges.

All tools are manufactured in the United States to Government Specifications. Grimsley’s House of Tools is a small international business with satisfied customers worldwide.