Also known as cobalt steel, this M42 tool steel maintains its hardness in high-speed cutting applications that generate intense heat. Use it to make tools for cutting extremely hard materials. For technical drawings and 3-D models, click on a part number. Certificates with a traceable lot number are available for these products.

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2019年2月20日 · M42 narrowband processing - posted in Experienced Deep Sky Imaging: Ive been working with narrowband of the Orion nebula for the past week. So far, Ive collected 2 hours SII, 1.7h Ha and 6 hours OIII. The SII signal is significantly lower and this channel can definitely use more integration time. While most SHO images that I see have the typical blue-gold …

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