For over 45 years National K Works (NKW) has provided engineered precision machined Thermal Flask and Pressure Housings for downhole wireline tools in HPHT environments. NKW is world renowned as a manufacturer for advanced, innovative HPHT tools & components for the extreme Oil, Gas & Geothermal markets. NKW's HPHT-rated Thermohousings, Thermoflasks / Heat Shields & Pressure Housings are best-of-breed. NKW also provides engineering services that include: design, DFM, VAVE, manufacturing, & research. CFD & FEA modeling & simulation enables thermal management analyses. Our testing capabilities are extensive: pressure to 33Kpsi; temp to 2200F; magnetic permeability; dye penetrate, & helium leak testing. Special capabilities: 33Kpsi pressure pit; it can test instrumented tools. Flask services: calibration, refurbished & re-certification of flasks. Inspection services: CMM, bore calibration & FAI (with documentation). NKW also specializes in dissimilar Metal Welding & Metal Machining: Titanium/6-4, BeCu, Inconel 625 / 718 / 718 NACE / X925 / 944, Hastelloy, MP35N, K500, Titanium / 64AL4V / C.P., BeCu, ToughMet, Duplex, Nitronic40 / 50 / 60, 13chrome, Tungsten Carbide, Heavy Met / Machinable Wc, 13-8/15-5/17-4/, Datalloy, P530/550/580, Al 6160 / 6061-t6, MuMetal, Copper & Copper Alloys, 4140/4145/4340, SS304-316 and many other ferrous & non-ferrous metals/alloys, refractory alloys, plastics We also supply Two Stage Light Gun Barrels in which our capabilities include deep hole drilling and bottle boring (to 40'L / +12m), ID honing, OD turning, reaming, bore burnishing, liner insert / removal, hydroforming / autofrettage, straightening, and related engineering services, analyses and testing. We are also a NASA Class 1 Life-Critical Spaceflight Hardware, heavy gun barrels, industrial sensor housings & tooling. The Business Development team can be reached at 832-649-4520 ask for Gus.