Machine Tools and Parts Thereof; Tools, Tool Holders [ and Workpiece Holders ] for Use in Machines and in Mining Equipment as Well as Parts of Such Tools, [ Tool Holders and Workpiece Holders; Abrasives in the Nature of Grinding Wheels; ] Coated and/or Uncoated Parts Made of Carbides and/or Hard Metals for Commercial and Industrial Purposes-Namely, Rollers, Rings,[ Jaws, Sleeves, Pistons ], Pins,[ Balls ], Rods, Cores,[ Bolts ], Bushings,[ Axles, Cylinders ], Plates,[ Pressure Cylinders ], Cutting Plates,[ Crushing Jaws, Hammer Jaws ], Fittings for Use in Tooling and Pattern Making, Grindstones,[ Grinding Rings, Mortars, Slip Rings, Bearing Rings, Bearing Boxes ], Wear Rings for Cold and Hot Rolling Rolls,[ Matrices for Shaping and Molding, Valve Seat Rings, Valve Stems, Shaft Protection Sleeves, Sealing Sleeves, Tread Rollers, Guide Rollers ]

[ Hand Tool Holders, Workpiece Holders, Hand Tools, and Parts Thereof-Namely, Shaping Tools, Drawing Tools, Cutting Tools, Stamping Tools, Pressing Tools, Scrapping Tools, Lapping Tools, Cures, Punches, Matrices, Cutting Elements, Clamping Mounts ], Blades,[ Rolls, Rollers, and Rolling Rings ]