Previously RMG Screw Machine, RM Garrison Screw Machine.. RM Garrison Machining produces precision screw machine and CNC turned products, focusing on specialty fasteners that include screws, nuts, bolts, couplings, rivets, manifolds, housings, brackets, bushings, valves, handles, knobs, and aftermarket billet automotive parts. We also provide prototype, and custom products. We currently provide products for the following industries: Aerospace Sporting Goods Fasteners Motorsports Electronics Gun components Gunsmithing Automotive Motorcycle Custom Billet parts