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Directory: MRO

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Helical Lap & Manufacturing Co

Helical Lap I.D. & O.D. cylindrical lapping tools are used worldwide for precision finishing operations by airlines, military, OEMs, and MRO facilities for applications requiring ultra-precise roundness, concentricity & cylindricity such as servo controls, hydraulic valves, fuel system components, & landing gear. Tolerances for diameter and cylindricity held to sub-micron levels are routinely achieved with surface finishes better than 0.025 Ra. Tools can be made as small as .043 up to 6” in dia and up to 14” long.