Welcome Home-Our New Aerospace Facility

🚀 New 14,000 Sq Ft Aerospace Manufacturing Facility Opens in Longmont, Colorado! We’re proud to announce the opening of our brand-new 14,000 square foot aerospace manufacturing facility in Longmont, Colorado. After years of strong growth in the Boulder area, we’ve officially upgraded to a state-of-the-art precision machining center designed for the future of aerospace and…

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Is Swiss Machining the Right Choice for Your Project?

As a leading provider of Swiss machining services in Colorado, Preece Machining & Assembly (PMA) frequently helps clients determine if this precision manufacturing method is ideal for their needs. Swiss machining, also known as Swiss CNC machining, excels in producing complex, high-precision parts efficiently. But how do you know if it’s a good fit for…

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ISO 9001:2015 Certification Vs. Compliance

If your pilot announced that he was compliant but not a certified pilot how would that make you feel? What if the precision machine shop that made the landing gear was just ISO 9001:2015 compliant and not actually certified? Does this matter? ISO 9001:2015 ISO 9001;2015 certified shops like Preece Machining & Assembly have a…

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Thread Gage Chart

Thread Size Class Nominal Minor Dia. Minimum  Minor Dia. Maximum  Major Dia. Thread Size Cutting Tap Drill Form Tap Drill 00-90 2B 0.0470 .0350 .0393 0.0470 00-90 #65   0-80 2B 0.0600 0.0465 0.0514 0.0600 0-80 3/64 #54 1-64 2B 0.0730 0.0561 0.0623 0.0730 1-64 #53 #51 1-72 2B 0.0730 0.0580 0.0635 0.0730 1-72 #53…

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Thread Chart

  Thread Size Class Nominal Minor Dia. Minimum  Minor Dia. Maximum  Major Dia. Thread Size Cutting Tap Drill Form Tap Drill 00-90 2B 0.0470 .0350 .0393 0.0470 00-90 #65 X 0-80 2B 0.0600 0.0465 0.0514 0.0600 0-80 3/64 #54 1-64 2B 0.0730 0.0561 0.0623 0.0730 1-64 #53 #51 1-72 2B 0.0730 0.0580 0.0635 0.0730 1-72…

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Lean Manufacturing in a Job shop

Lean Manufacturing and job shop are practically opposing philosophies. In a CNC precision job shop, standardization can be difficult and costly. At Preece Machining & Assembly we have been dedicated to finding a way to implement lean principles into our precision CNC job shop. What is a Job Shop? A job shop in this context…

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threaded inserts, STI, Helicoil

Threaded Insert Installation is a detailed process

Installation of threaded inserts, or Helicoils (popular brand name), is common in most machine shops – but your part could be exposed to risks if your shop isn’t doing it right. Preece Machining & Assembly on the other hand has many standard procedures to ensure your inserts are installed properly and your parts arrive as…

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