A tommy nut, is the internally threaded equivalent of a tommy bar screw. Particularly useful in jigs and fixtures, tommy nuts allow secure clamping and quick repositioning of workpieces during tasks like machining or welding.
Henan Sheng He Pipe Industry offers A194 2H Heavy Hex Nuts drilled to accept commonly used Tommy Bars to be used with extra length oilfield bolts, for any bolting specification and temperature class.Nuts have Tommy Bar holes (1 drilled in each face of the hex flats),for the purpose of hand tightening the nut through the window of a hydraulic bolt tensioning device.
Hex Nuts with Tommy Bar Hole Drawing
Dimensions Of Tommy Bar Holes
