Hard Turning Forty years ago, only 5% of mold components were recut after hardening. Today, hard turning is done to 85% of all inserts. Tool steel components hardened up to 60 Rc are regularly hard turned with surface finishes of 15 Ra and tolerances of .0002". Because of the improved surface finish...

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Kelbros Inc. - Standard Luer Unscrewing Cores & Nuts In-stock - Drop into your mold base! Kelbros Inc. has manufactured thousands of custom unscrewing cores & nuts for our customers over the past 50 years. We now offer our own standard cores & nuts with: Standard double-lead Luer-Lock th...

Standard Round Cavity Inserts Available in five tool steels, in over thirty sizes, prefinished with +.005/side on top, bottom, & body diameter. Click here to download Standard Cavity Insert information. (PDF) Our Services Turning / Machining Thread Grinding Standard Luer Unscrewing Cores & D...

Thread Grinding Kelbros Inc. produces precision thread grinding on custom threaded cores. Our technical staff excels in threads and we can offer assistance with your thread data, by machining your exact specifications from a detailed print or sample piece. We know threads so you don't have to! Sampl...